CN108083259A - The preparation method of carbon quantum dot - Google Patents
The preparation method of carbon quantum dot Download PDFInfo
- Publication number
- CN108083259A CN108083259A CN201810028705.2A CN201810028705A CN108083259A CN 108083259 A CN108083259 A CN 108083259A CN 201810028705 A CN201810028705 A CN 201810028705A CN 108083259 A CN108083259 A CN 108083259A
- Authority
- CN
- China
- Prior art keywords
- raw material
- quantum dot
- carbon quantum
- preparation
- skin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
- C09K11/65—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing carbon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y40/00—Manufacture or treatment of nanostructures
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Nanotechnology (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Crystallography & Structural Chemistry (AREA)
- Fertilizers (AREA)
Abstract
The preparation method of carbon quantum dot, it belongs to nano luminescent material preparing technical field.The present invention is 1 according to parts by weight：(1~100)：(0.5~100) one or more kinds of mixtures in agriculture and forestry organic waste material and rubbish from cooking and veterinary antibiotics, grain, flowers, Chinese herbal medicine are weighed as raw material, by load weighted raw material, crush, sieve after after mixing, organic acid or highly basic or weak base are added in into treated mixed liquor.Supersound process, hydro-thermal process, centrifugal treating obtain solution after centrifugation and are fitted into bag filter, are placed in dialysis treatment in the beaker equipped with distilled water, obtain carbon quantum dot.For the yield of carbon quantum dot of the present invention 50~90%, the carbon quantum dot size of preparation is 1~2nm, and compared with existing carbon quantum dot preparation method, preparation process is simple, raw material is readily available, environmentally friendly.
Description
Technical field
The invention belongs to nano luminescent material preparing technical fields, and in particular to a kind of preparation method of carbon quantum dot.
Background technology
Carbon nano-particles have very big surface area, so scientists think this nano-particle phase always for a long time
Than macroscopical carbon, there are very peculiar chemical and physical features.Scientist extracts carbon nano-particles, and proves these particles
After surface covers a kind of special polymer, very bright light can be sent under light illumination, is like small photosphere.
Scientists think that this luminescence generated by light phenomenon may be caused by can storing energy due to the cavity on carbon quantum dot surface.And
The luminous mechanism of metal quantum point is then somewhat different.
For metal quantum point, carbon quantum dot is nontoxic, small to the harm of environment, and cost is also less expensive.It is made by it
Into sensor can be used for detect the biochemical war agents such as explosive and anthrax.Clemson University doctor of Chemistry Sun Ya is put down：
" carbon is not semiconductor, and the carbon nano-particles that shine still all are very interesting in terms of application angle either from point of theory.
It represents a new platform of luminescent nanoparticle research." especially with respect to it biology and medicine in application.Quantum
Point is usually what is extracted from the mixture of lead, cadmium and silicon, but these materials are generally toxic, also harmful to environment.
So scientists start to extract quantum dot in some benign compounds.Carbon quantum dot exists as a kind of green non-poisonous material
The fields such as photocatalysis, sensor, bio-imaging, pharmaceutical synthesis, genophore are widely used.Prepare the side of carbon quantum dot
Method has：Arc discharge method, laser ablation method, electrochemical process and hydro-thermal method etc..The common raw material for preparing carbon quantum dot is mostly to purify
Product, such as citric acid, carbohydrate, polymer.
The content of the invention
It is an object of the present invention to provide a kind of preparation methods of carbon quantum dot, and this method yield is high, simple production process.
The invention is realized by the following technical scheme：
A kind of preparation method of carbon quantum dot, includes the following steps：
Step 1, raw material prepare：Weigh raw material A either raw material B or raw material C or weighing raw material A, raw material B or weighing
Raw material A, raw material B, raw material C, the raw material A are agriculture and forestry organic waste material, and the raw material B is rubbish from cooking, and the raw material C is
One or more kinds of mixtures in veterinary antibiotics, grain, flowers, Chinese herbal medicine, for use；
Step 2, raw material pre-treatment：By the load weighted raw material of step 1, after crushing, sieving, the raw material handled well is added
Enter the tap water of certain mass, after mixing for use；
Step 3, pH are adjusted：Organic acid or highly basic or weak base are added in into step 2 treated mixed liquor, adjusts mixed liquor
PH, for use；
Step 4 is ultrasonically treated：Graphite, the mixed liquor and the graphite are added in step 3 treated mixed liquor
Mass ratio be 30：0.1~10, be then ultrasonically treated, sonification power be 100~1000W, ultrasonic time 5~
300min, the mixture after supersound process, for use；
Step 5, hydro-thermal process：The mixture that step 4 is obtained carries out hydro-thermal reaction or microwave hydrothermal reaction, control reaction
20~180 DEG C, 1~300h of reaction time of temperature, the mixture after reaction, for use；
Step 6, centrifugal treating：Step 4 treated mixed liquor is subjected to centrifugal treating, the liquid after centrifugation is collected, treats
With；
Step 7, dialysis treatment：Solution is obtained after step 6 is centrifuged to be fitted into bag filter, is placed in the beaker equipped with distilled water
Middle dialysis treatment, obtains carbon quantum dot.
The preparation method of carbon quantum dot of the present invention, the mass ratio of raw material A and raw material B described in step 1 is 1：1
~100 or the mass ratio of the raw material A and raw material B and raw material C be 1：(1~100)：(0.5~100)；
Agriculture and forestry organic waste material described in step 1 is maize straw, soybean stalk, wheat stalk, broomcorn straw, straw straw
One or more kinds of mixtures in stalk, cotton stalk, various flower straws and its leaf and seed, described in step 1
Rubbish from cooking be one or more kinds of mixtures in carbohydrate or Fruit Peel, the Fruit Peel is shaddock
Skin, banana skin, orange peel, mangosteen skin, pineapple peel, apple skin, pear skin, mangrove bark, coconut skin, muskmelon skin, passion fruit skin, pachyrhizus
One or more kinds of mixtures in skin, purple potato skin, potato peel, carrot, ternip, Green Radish, Raphanus sativus var.niger, carrot；
Vegetables described in step 1 are spinach, rape, pakchoi, celery, fennel, caraway, garlic, onion, fresh ginger
Melon, purple sweet potato, carrot, ternip, Green Radish, Raphanus sativus var.niger, carrot, Chinese yam, wild cabbage, broccoli, cucumber, balsam pear, sponge gourd, wild vegetables
In one or more kinds of mixtures, fruit is apple, shaddock, pineapple, Kiwi berry, orange, hawthorn, mango, coconut, Portugal
Grape, honey dew melon, muskmelon, the one or more in "Hami" melon, dragon fruit, banana, mangosteen, passion fruit, persimmon, blueberry, jujube
Mixture, grain is rice, light flour, maize flour, black soya bean face, soy noodle, mung bean face, rde bean face, in red bean face
One or more, flowers are a kind of or more in Chinese rose flower, rose flower, sweet osmanthus, white orchid, Jasmine, chrysanthemum flower
Kind mixture, Chinese herbal medicine for folium artemisiae argyi, sweet wormwood, Radix Notoginseng, safflower, lotus leaf, mulberry leaf, tripterygium wilfordii, wilsonii, pueraria lobata, Chinese prickly ash, fennel fruit
Perfume, Moringa, Radix Glycyrrhizae, Fructus Forsythiae, gleditsia sinensis, aloe, reed root, caulis bambusae in taenian, Radix Isatidis, dandelion, plantain seed, honeysuckle, black tea, white tea,
One or more kinds of mixtures in green tea, jasmine tea, Radix Salviae Miltiorrhizae, ginseng, ganoderma lucidum, ginkgo leaf.
The preparation method of carbon quantum dot of the present invention carries out powder in raw material pre-treatment in step 2 using pulverizer
Broken, the raw material after crushing is crossed 20~100 mesh sieves and is sieved, by the raw material handled well according to mass ratio be 1：10~200 add in
Tap water or distilled water.
The preparation method of carbon quantum dot of the present invention, the organic acid in step 3 is citric acid, acetic acid, malic acid or
One kind in tartaric acid, highly basic are one kind in sodium hydroxide or potassium hydroxide, ammonium hydroxide, urea, and weak base is sodium carbonate or carbonic acid
One kind in hydrogen sodium, the pH for adjusting solution are 2~10.
The preparation method of carbon quantum dot of the present invention, the quality of mixed liquor and the graphite described in step 4
Than for 30：1.
The preparation method of carbon quantum dot of the present invention, in the microwave hydrothermal reaction in step 5 microwave power for 100~
1000W, 10~300min of microwave time.
The preparation method of carbon quantum dot of the present invention, the fluid density after centrifuging in step 6 are 1.02~1.10g/
cm3。
The preparation method of carbon quantum dot of the present invention, bag filter molecular cut off is 500~3000Da in step 7.
The preparation method of carbon quantum dot of the present invention, selected material can release carbon in preparation process
It is reacted into solvent, using hydro-thermal method, the carbon being dissolved in solvent is synthesized into carbon quantum dot.
The preparation method of carbon quantum dot of the present invention, compared with existing carbon quantum dot preparation method, preparation process letter
Single, raw material is readily available, environmentally friendly.
The preparation method of carbon quantum dot of the present invention, the yield of carbon quantum dot is 50~90%.
The preparation method of carbon quantum dot of the present invention, the carbon quantum dot size of preparation is 1~2nm.
Description of the drawings
Fig. 1 is the high-resolution transmission of carbon quantum dot prepared by the preparation method of one carbon quantum dot of specific embodiment method
Electron microscopic picture；
Fig. 2 is the high-resolution transmission of carbon quantum dot prepared by the preparation method of two carbon quantum dot of specific embodiment method
Electron microscope.
Specific embodiment
Specific embodiment one：
A kind of preparation method of carbon quantum dot, includes the following steps：
Step 1, raw material prepare：Weigh raw material A, raw material B, raw material C, the raw material A be agriculture and forestry organic waste material, the original
Material B is rubbish from cooking, and the raw material C is one or more kinds of mixing in veterinary antibiotics, grain, flowers, Chinese herbal medicine
Object, for use；
Step 2, raw material pre-treatment：By the load weighted raw material of step 1, after crushing, sieving, the raw material handled well is added
Enter the tap water of certain mass, after mixing for use；
Step 3, pH are adjusted：Organic acid or highly basic or weak base are added in into step 2 treated mixed liquor, adjusts mixed liquor
PH, for use；
Step 4 is ultrasonically treated：Graphite, the mixed liquor and the graphite are added in step 3 treated mixed liquor
Mass ratio be 30：1, it is then ultrasonically treated, sonification power 1000W, ultrasonic time 60min, after supersound process
Mixture, for use；
Step 5, hydro-thermal process：The mixture progress microwave hydrothermal reaction that step 4 is obtained, 180 DEG C of controlling reaction temperature,
Reaction time 2h, the mixture after reaction, for use；
Step 6, centrifugal treating：Step 4 treated mixed liquor is subjected to centrifugal treating, the liquid after centrifugation is collected, treats
With；
Step 7, dialysis treatment：Solution is obtained after step 6 is centrifuged to be fitted into bag filter, is placed in the beaker equipped with distilled water
Middle dialysis treatment, obtains carbon quantum dot.
The preparation method of carbon quantum dot described in present embodiment, the raw material A described in step 1 is with raw material B and raw material C's
Mass ratio is 1：1：0.5；
Agriculture and forestry organic waste material described in step 1 is maize straw, soybean stalk, wheat stalk, broomcorn straw, straw straw
One or more kinds of mixtures in stalk, cotton stalk, various flower straws and its leaf and seed, described in step 1
Rubbish from cooking be one or more kinds of mixtures in carbohydrate or Fruit Peel, the Fruit Peel is shaddock
Skin, banana skin, orange peel, mangosteen skin, pineapple peel, apple skin, pear skin, mangrove bark, coconut skin, muskmelon skin, passion fruit skin, pachyrhizus
One or more kinds of mixtures in skin, purple potato skin, potato peel, carrot, ternip, Green Radish, Raphanus sativus var.niger, carrot；
Vegetables described in step 1 are spinach, rape, pakchoi, celery, fennel, caraway, garlic, onion, fresh ginger
Melon, purple sweet potato, carrot, ternip, Green Radish, Raphanus sativus var.niger, carrot, Chinese yam, wild cabbage, broccoli, cucumber, balsam pear, sponge gourd, wild vegetables
In one or more kinds of mixtures, fruit is apple, shaddock, pineapple, Kiwi berry, orange, hawthorn, mango, coconut, Portugal
Grape, honey dew melon, muskmelon, the one or more in "Hami" melon, dragon fruit, banana, mangosteen, passion fruit, persimmon, blueberry, jujube
Mixture, grain is rice, light flour, maize flour, black soya bean face, soy noodle, mung bean face, rde bean face, in red bean face
One or more, flowers are a kind of or more in Chinese rose flower, rose flower, sweet osmanthus, white orchid, Jasmine, chrysanthemum flower
Kind mixture, Chinese herbal medicine for folium artemisiae argyi, sweet wormwood, Radix Notoginseng, safflower, lotus leaf, mulberry leaf, tripterygium wilfordii, wilsonii, pueraria lobata, Chinese prickly ash, fennel fruit
Perfume, Moringa, Radix Glycyrrhizae, Fructus Forsythiae, gleditsia sinensis, aloe, reed root, caulis bambusae in taenian, Radix Isatidis, dandelion, plantain seed, honeysuckle, black tea, white tea,
One or more kinds of mixtures in green tea, jasmine tea, Radix Salviae Miltiorrhizae, ginseng, ganoderma lucidum, ginkgo leaf.
The preparation method of carbon quantum dot described in present embodiment, in the raw material pre-treatment in step 2 using pulverizer into
Row crushes, and the raw material after crushing crosses 100 mesh sieves and sieved, and according to mass ratio is 1 by the raw material handled well：10 add in originally
Water.
The preparation method of carbon quantum dot described in present embodiment, the organic acid in step 3 is citric acid, acetic acid, apple
One kind in acid or tartaric acid, the pH for adjusting solution are 3.
The preparation method of carbon quantum dot described in present embodiment, the fluid density after centrifuging in step 6 are 1.05g/
cm3。
The preparation method of carbon quantum dot described in present embodiment, bag filter molecular cut off is 3000Da in step 7.
The preparation method of carbon quantum dot described in present embodiment, the carbon quantum dot of preparation as shown in Figure 1, from Fig. 1
, it can be seen that the carbon quantum dot size prepared is 1~2nm, and carbon quantum dot is a large amount of existing.
The preparation method of carbon quantum dot described in present embodiment, the yield of carbon quantum dot is 82.33%.
Specific embodiment two：
A kind of preparation method of carbon quantum dot, includes the following steps：
Step 1, raw material prepare：Weigh raw material A, raw material B, raw material C, the raw material A be agriculture and forestry organic waste material, the original
Material B is rubbish from cooking, and the raw material C is one or more kinds of mixing in veterinary antibiotics, grain, flowers, Chinese herbal medicine
Object, for use；
Step 2, raw material pre-treatment：By the load weighted raw material of step 1, after crushing, sieving, the raw material handled well is added
Enter the tap water of certain mass, after mixing for use；
Step 3, pH are adjusted：Organic acid or highly basic or weak base are added in into step 2 treated mixed liquor, adjusts mixed liquor
PH, for use；
Step 4 is ultrasonically treated：Graphite, the mixed liquor and the graphite are added in step 3 treated mixed liquor
Mass ratio be 30：2, it is then ultrasonically treated, sonification power 800W, ultrasonic time 20-100min, is ultrasonically treated
Mixture afterwards, for use；
Step 5, hydro-thermal process：The mixture progress microwave hydrothermal reaction that step 4 is obtained, 150 DEG C of controlling reaction temperature,
Reaction time 3h, the mixture after reaction, for use；
Step 6, centrifugal treating：Step 4 treated mixed liquor is subjected to centrifugal treating, the liquid after centrifugation is collected, treats
With；
Step 7, dialysis treatment：Solution is obtained after step 6 is centrifuged to be fitted into bag filter, is placed in the beaker equipped with distilled water
Middle dialysis treatment, obtains carbon quantum dot.
The preparation method of carbon quantum dot described in present embodiment, the raw material A described in step 1 is with raw material B and raw material C's
Mass ratio is 1：2：3；
Agriculture and forestry organic waste material described in step 1 is maize straw, soybean stalk, wheat stalk, broomcorn straw, straw straw
One or more kinds of mixtures in stalk, cotton stalk, various flower straws and its leaf and seed, described in step 1
Rubbish from cooking be one or more kinds of mixtures in carbohydrate or Fruit Peel, the Fruit Peel is shaddock
Skin, banana skin, orange peel, mangosteen skin, pineapple peel, apple skin, pear skin, mangrove bark, coconut skin, muskmelon skin, passion fruit skin, pachyrhizus
One or more kinds of mixtures in skin, purple potato skin, potato peel, carrot, ternip, Green Radish, Raphanus sativus var.niger, carrot；
Vegetables described in step 1 are spinach, rape, pakchoi, celery, fennel, caraway, garlic, onion, fresh ginger
Melon, purple sweet potato, carrot, ternip, Green Radish, Raphanus sativus var.niger, carrot, Chinese yam, wild cabbage, broccoli, cucumber, balsam pear, sponge gourd, wild vegetables
In one or more kinds of mixtures, fruit is apple, shaddock, pineapple, Kiwi berry, orange, hawthorn, mango, coconut, Portugal
Grape, honey dew melon, muskmelon, the one or more in "Hami" melon, dragon fruit, banana, mangosteen, passion fruit, persimmon, blueberry, jujube
Mixture, grain is rice, light flour, maize flour, black soya bean face, soy noodle, mung bean face, rde bean face, in red bean face
One or more, flowers are a kind of or more in Chinese rose flower, rose flower, sweet osmanthus, white orchid, Jasmine, chrysanthemum flower
Kind mixture, Chinese herbal medicine for folium artemisiae argyi, sweet wormwood, Radix Notoginseng, safflower, lotus leaf, mulberry leaf, tripterygium wilfordii, wilsonii, pueraria lobata, Chinese prickly ash, fennel fruit
Perfume, Moringa, Radix Glycyrrhizae, Fructus Forsythiae, gleditsia sinensis, aloe, reed root, caulis bambusae in taenian, Radix Isatidis, dandelion, plantain seed, honeysuckle, black tea, white tea,
One or more kinds of mixtures in green tea, jasmine tea, Radix Salviae Miltiorrhizae, ginseng, ganoderma lucidum, ginkgo leaf.
The preparation method of carbon quantum dot described in present embodiment, in the raw material pre-treatment in step 2 using pulverizer into
Row crushes, and the raw material after crushing crosses 100 mesh sieves and sieved, and according to mass ratio is 1 by the raw material handled well：200 add in originally
Water or distilled water.
The preparation method of carbon quantum dot described in present embodiment, the weak base in step 3 is in sodium carbonate or sodium acid carbonate
One kind, adjust solution pH be 8.
The preparation method of carbon quantum dot described in present embodiment, the fluid density after centrifuging in step 6 are 1.10g/
cm3。
The preparation method of carbon quantum dot described in present embodiment, bag filter molecular cut off is 2000Da in step 7.
The preparation method of carbon quantum dot described in present embodiment, the carbon quantum dot of preparation as shown in Figure 2, from Fig. 2
, it can be seen that the carbon quantum dot size prepared is 1~2nm, and carbon quantum dot is a large amount of existing.
The preparation method of carbon quantum dot described in present embodiment, the yield of carbon quantum dot is 89.97%.
Specific embodiment three：
A kind of preparation method of carbon quantum dot, includes the following steps：
Step 1, raw material prepare：Weigh raw material A, raw material B, raw material C, the raw material A be agriculture and forestry organic waste material, the original
Material B is rubbish from cooking, and the raw material C is one or more kinds of mixing in veterinary antibiotics, grain, flowers, Chinese herbal medicine
Object, for use；
Step 2, raw material pre-treatment：By the load weighted raw material of step 1, after crushing, sieving, the raw material handled well is added
Enter the tap water of certain mass, after mixing for use；
Step 3, pH are adjusted：Organic acid or highly basic or weak base are added in into step 2 treated mixed liquor, adjusts mixed liquor
PH, for use；
Step 4 is ultrasonically treated：Graphite, the mixed liquor and the graphite are added in step 3 treated mixed liquor
Mass ratio be 30：0.1, it is then ultrasonically treated, sonification power 100W, ultrasonic time 300min, is ultrasonically treated
Mixture afterwards, for use；
Step 5, hydro-thermal process：The mixture that step 4 is obtained carries out hydro-thermal reaction, 60 DEG C of controlling reaction temperature, reaction
Time 300h, the mixture after reaction, for use；
Step 6, centrifugal treating：Step 4 treated mixed liquor is subjected to centrifugal treating, the liquid after centrifugation is collected, treats
With；
Step 7, dialysis treatment：Solution is obtained after step 6 is centrifuged to be fitted into bag filter, is placed in the beaker equipped with distilled water
Middle dialysis treatment, obtains carbon quantum dot.
The preparation method of carbon quantum dot described in present embodiment, the raw material A described in step 1 is with raw material B and raw material C's
Mass ratio is 1：10：10；
Agriculture and forestry organic waste material described in step 1 is maize straw, soybean stalk, wheat stalk, broomcorn straw, straw straw
One or more kinds of mixtures in stalk, cotton stalk, various flower straws and its leaf and seed, described in step 1
Rubbish from cooking be one or more kinds of mixtures in carbohydrate or Fruit Peel, the Fruit Peel is shaddock
Skin, banana skin, orange peel, mangosteen skin, pineapple peel, apple skin, pear skin, mangrove bark, coconut skin, muskmelon skin, passion fruit skin, pachyrhizus
One or more kinds of mixtures in skin, purple potato skin, potato peel, carrot, ternip, Green Radish, Raphanus sativus var.niger, carrot；
Vegetables described in step 1 are spinach, rape, pakchoi, celery, fennel, caraway, garlic, onion, fresh ginger
Melon, purple sweet potato, carrot, ternip, Green Radish, Raphanus sativus var.niger, carrot, Chinese yam, wild cabbage, broccoli, cucumber, balsam pear, sponge gourd, wild vegetables
In one or more kinds of mixtures, fruit is apple, shaddock, pineapple, Kiwi berry, orange, hawthorn, mango, coconut, Portugal
Grape, honey dew melon, muskmelon, the one or more in "Hami" melon, dragon fruit, banana, mangosteen, passion fruit, persimmon, blueberry, jujube
Mixture, grain is rice, light flour, maize flour, black soya bean face, soy noodle, mung bean face, rde bean face, in red bean face
One or more, flowers are a kind of or more in Chinese rose flower, rose flower, sweet osmanthus, white orchid, Jasmine, chrysanthemum flower
Kind mixture, Chinese herbal medicine for folium artemisiae argyi, sweet wormwood, Radix Notoginseng, safflower, lotus leaf, mulberry leaf, tripterygium wilfordii, wilsonii, pueraria lobata, Chinese prickly ash, fennel fruit
Perfume, Moringa, Radix Glycyrrhizae, Fructus Forsythiae, gleditsia sinensis, aloe, reed root, caulis bambusae in taenian, Radix Isatidis, dandelion, plantain seed, honeysuckle, black tea, white tea,
One or more kinds of mixtures in green tea, jasmine tea, Radix Salviae Miltiorrhizae, ginseng, ganoderma lucidum, ginkgo leaf.
The preparation method of carbon quantum dot described in present embodiment, in the raw material pre-treatment in step 2 using pulverizer into
Row crushes, and the raw material after crushing crosses 100 mesh sieves and sieved, and according to mass ratio is 1 by the raw material handled well：100 add in originally
Water.
The preparation method of carbon quantum dot described in present embodiment, the highly basic in step 3 are sodium hydroxide or potassium hydroxide
In one kind, adjust solution pH be 10.
The preparation method of carbon quantum dot described in present embodiment, the fluid density after centrifuging in step 6 are 1.02g/
cm3。
The preparation method of carbon quantum dot described in present embodiment, bag filter molecular cut off is 500Da in step 7.
The preparation method of carbon quantum dot described in present embodiment, carbon quantum dot are a large amount of existing, the productions of carbon quantum dot
Rate is 76.59%.
Specific embodiment four：
A kind of preparation method of carbon quantum dot, includes the following steps：
Step 1, raw material prepare：Weigh raw material A, raw material B, raw material C, the raw material A be agriculture and forestry organic waste material, the original
Material B is rubbish from cooking, and the raw material C is one or more kinds of mixing in veterinary antibiotics, grain, flowers, Chinese herbal medicine
Object, for use；
Step 2, raw material pre-treatment：By the load weighted raw material of step 1, after crushing, sieving, the raw material handled well is added
Enter the tap water of certain mass, after mixing for use；
Step 3, pH are adjusted：Organic acid or highly basic or weak base are added in into step 2 treated mixed liquor, adjusts mixed liquor
PH, for use；
Step 4 is ultrasonically treated：Graphite, the mixed liquor and the graphite are added in step 3 treated mixed liquor
Mass ratio be 30：0.5, it is then ultrasonically treated, sonification power 500W, ultrasonic time 200min, is ultrasonically treated
Mixture afterwards, for use；
Step 5, hydro-thermal process：The mixture that step 4 is obtained carries out hydro-thermal reaction or microwave hydrothermal reaction, control reaction
80 DEG C, reaction time 180h of temperature, the mixture after reaction, for use；
Step 6, centrifugal treating：Step 4 treated mixed liquor is subjected to centrifugal treating, the liquid after centrifugation is collected, treats
With；
Step 7, dialysis treatment：Solution is obtained after step 6 is centrifuged to be fitted into bag filter, is placed in the beaker equipped with distilled water
Middle dialysis treatment, obtains carbon quantum dot.
The preparation method of carbon quantum dot described in present embodiment, the raw material A described in step 1 is with raw material B and raw material C's
Mass ratio is 1：100：100；
Agriculture and forestry organic waste material described in step 1 is maize straw, soybean stalk, wheat stalk, broomcorn straw, straw straw
One or more kinds of mixtures in stalk, cotton stalk and its leaf, the rubbish from cooking described in step 1 are carbohydrate
Or one or more kinds of mixtures in Fruit Peel, the Fruit Peel is pomelo peel, banana skin, orange peel, mangosteen
One or more kinds of mixtures in skin, pineapple peel, apple skin, pear skin, mangrove bark, coconut skin, muskmelon skin；
Vegetables described in step 1 are spinach, rape, pakchoi, celery, fennel, caraway, garlic, onion, in fresh ginger
One or more kinds of mixtures, fruit is apple, shaddock, pineapple, Kiwi berry, orange, hawthorn, mango, coconut, grape,
Honey dew melon, muskmelon, one or more kinds of mixtures in "Hami" melon, grain is rice, in light flour, maize flour, bean flour
One or more, flowers are Chinese rose flower, one or more kinds of mixtures in rose flower, chrysanthemum flower, and Chinese herbal medicine is
Folium artemisiae argyi, sweet wormwood, Radix Notoginseng, safflower, lotus leaf, mulberry leaf, tripterygium wilfordii, one or more kinds of mixtures in wilsonii.
The preparation method of carbon quantum dot described in present embodiment, in the raw material pre-treatment in step 2 using pulverizer into
Row crushes, and the raw material after crushing crosses 100 mesh sieves and sieved, and according to mass ratio is 1 by the raw material handled well：50 add in originally
Water.
The preparation method of carbon quantum dot described in present embodiment, the highly basic in step 3 are sodium hydroxide, ammonium hydroxide or hydrogen-oxygen
Change one kind in potassium, the pH for adjusting solution is 10.
The preparation method of carbon quantum dot described in present embodiment, the fluid density after centrifuging in step 6 are 1.03g/
cm3。
The preparation method of carbon quantum dot described in present embodiment, bag filter molecular cut off is 800Da in step 7.
The preparation method of carbon quantum dot described in present embodiment, carbon quantum dot are a large amount of existing, the productions of carbon quantum dot
Rate is 66.61%.
Claims (8)
1. a kind of preparation method of carbon quantum dot, it is characterised in that：Include the following steps：
Step 1, raw material prepare：Weigh raw material A either raw material B or raw material C or weighing raw material A, raw material B or weighing raw material
A, raw material B, raw material C, the raw material A are agriculture and forestry organic waste material, and the raw material B is rubbish from cooking, and the raw material C is vegetable
One or more kinds of mixtures in dish, fruit, grain, flowers, Chinese herbal medicine, for use；
Step 2, raw material pre-treatment：By the load weighted raw material of step 1, after crushing, sieving, the raw material handled well is added in one
Determine the tap water of quality, after mixing for use；
Step 3, pH are adjusted：Organic acid or highly basic or weak base are added in into step 2 treated mixed liquor, adjusts mixed liquor
PH, for use；
Step 4 is ultrasonically treated：Graphite, the matter of the mixed liquor and the graphite are added in step 3 treated mixed liquor
Amount is than being 30：0.1~10, be then ultrasonically treated, sonification power be 100~1000W, 5~300min of ultrasonic time,
Mixture after supersound process, for use；
Step 5, hydro-thermal process：The mixture that step 4 is obtained carries out hydro-thermal reaction or microwave hydrothermal reaction, controlling reaction temperature
20~180 DEG C, 1~300h of reaction time, the mixture after reaction, for use；
Step 6, centrifugal treating：Step 4 treated mixed liquor is subjected to centrifugal treating, collects the liquid after centrifugation, for use；
Step 7, dialysis treatment：Solution is obtained after step 6 is centrifuged to be fitted into bag filter, is placed in the beaker equipped with distilled water thoroughly
Analysis is handled, and obtains carbon quantum dot.
2. the preparation method of carbon quantum dot according to claim 1, it is characterised in that：Raw material A and original described in step 1
The mass ratio for expecting B is 1：1~100 or the mass ratio of the raw material A and raw material B and raw material C be 1：(1~100)：(0.5~
100)；
Agriculture and forestry organic waste material described in step 1 is maize straw, soybean stalk, wheat stalk, broomcorn straw, rice straw, cotton
One or more kinds of mixtures in chopped straw stalk, various flower straws and its leaf and seed, the food waste described in step 1
Rubbish is one or more kinds of mixtures in carbohydrate or Fruit Peel, and the Fruit Peel is pomelo peel, perfume (or spice)
Any of several broadleaf plants skin, orange peel, mangosteen skin, pineapple peel, apple skin, pear skin, mangrove bark, coconut skin, muskmelon skin, passion fruit skin, melon skin, purple
One or more kinds of mixtures in potato skin, potato peel, carrot, ternip, Green Radish, Raphanus sativus var.niger, carrot；
Vegetables described in step 1 are spinach, rape, pakchoi, celery, fennel, caraway, garlic, onion, fresh ginger pachyrhizus,
In purple sweet potato, carrot, ternip, Green Radish, Raphanus sativus var.niger, carrot, Chinese yam, wild cabbage, broccoli, cucumber, balsam pear, sponge gourd, wild vegetables
One or more kinds of mixtures, fruit is apple, shaddock, pineapple, Kiwi berry, orange, hawthorn, mango, coconut, grape, in vain
Blue melon, muskmelon, one or more kinds of mixing in "Hami" melon, dragon fruit, banana, mangosteen, passion fruit, persimmon, blueberry, jujube
Object, grain for rice, light flour, maize flour, black soya bean face, soy noodle, mung bean face, rde bean face, one kind in red bean face or
Several, flowers are the mixed of the one or more in Chinese rose flower, rose flower, sweet osmanthus, white orchid, Jasmine, chrysanthemum flower
Close object, Chinese herbal medicine is folium artemisiae argyi, sweet wormwood, Radix Notoginseng, safflower, lotus leaf, mulberry leaf, tripterygium wilfordii is wilsonii, pueraria lobata, Chinese prickly ash, fennel seeds, peppery
Wood, Radix Glycyrrhizae, Fructus Forsythiae, gleditsia sinensis, aloe, reed root, caulis bambusae in taenian, Radix Isatidis, dandelion, plantain seed, honeysuckle, black tea, white tea, green tea,
One or more kinds of mixtures in jasmine tea, Radix Salviae Miltiorrhizae, ginseng, ganoderma lucidum, ginkgo leaf.
3. the preparation method of carbon quantum dot according to claim 1 or 2, it is characterised in that：Raw material pre-treatment in step 2
Middle to be crushed using pulverizer, the raw material after crushing is crossed 20~100 mesh sieves and is sieved, by the raw material handled well according to quality
Than for 1：10~200 add in tap water or distilled water.
4. the preparation method of carbon quantum dot according to claim 1 or 2, it is characterised in that：Organic acid in step 3 is lemon
One kind in lemon acid, acetic acid, malic acid or tartaric acid, highly basic are one kind in sodium hydroxide or potassium hydroxide, ammonium hydroxide, urea,
Weak base is one kind in sodium carbonate or sodium acid carbonate, and the pH for adjusting solution is 2~10.
5. the preparation method of carbon quantum dot according to claim 1 or 2, it is characterised in that：Mixed liquor described in step 4
Mass ratio with the graphite is 30：1.
6. the preparation method of carbon quantum dot according to claim 1 or 2, it is characterised in that：Microwave hydrothermal in step 5 is anti-
Microwave power is 100~1000W, 10~300min of microwave time in answering.
7. the preparation method of carbon quantum dot according to claim 1 or 2, it is characterised in that：Liquid after being centrifuged in step 6
Density is 1.02~1.10g/cm3。
8. the preparation method of carbon quantum dot according to claim 1 or 2, it is characterised in that：Bag filter retention point in step 7
Son amount is 500~3000Da.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810028705.2A CN108083259A (en) | 2018-01-11 | 2018-01-11 | The preparation method of carbon quantum dot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810028705.2A CN108083259A (en) | 2018-01-11 | 2018-01-11 | The preparation method of carbon quantum dot |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108083259A true CN108083259A (en) | 2018-05-29 |
Family
ID=62182966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810028705.2A Pending CN108083259A (en) | 2018-01-11 | 2018-01-11 | The preparation method of carbon quantum dot |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108083259A (en) |
Cited By (32)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108659830A (en) * | 2018-06-01 | 2018-10-16 | 盐城师范学院 | A method of fluorescent carbon point is prepared based on chalina |
| CN109054821A (en) * | 2018-07-13 | 2018-12-21 | 山西大学 | A kind of fluorescent carbon point and its preparation method and application |
| CN109097035A (en) * | 2018-08-31 | 2018-12-28 | 中国石油大学(北京) | Carbon quantum dot and its preparation and application with high fluorescent characteristic |
| CN109181693A (en) * | 2018-08-29 | 2019-01-11 | 济南大学 | It is a kind of using luffa as the preparation method of carbon source Er ions carbon quantum dot composite material |
| CN109292753A (en) * | 2018-12-06 | 2019-02-01 | 洛阳师范学院 | A kind of carbon quantum dot and its environment-friendly preparation method thereof and application |
| CN109504373A (en) * | 2018-11-29 | 2019-03-22 | 山西大学 | A kind of chlorine nitrogen codope carbon quantum dot and its preparation method and application based on the preparation of discarded pomelo peel |
| CN109593525A (en) * | 2019-01-04 | 2019-04-09 | 浙江工业大学 | It is a kind of using Longjing tea as carbon quantum dot of carbon source and its preparation method and application |
| CN109810699A (en) * | 2019-03-05 | 2019-05-28 | 贺州学院 | The preparation method of biomass nitrogen, sulfur doping fluorescent carbon point |
| CN109870434A (en) * | 2019-01-10 | 2019-06-11 | 东北电力大学 | The combined probe of carbon quantum dot and the method for detecting Candida albicans bacterial content |
| CN109880619A (en) * | 2019-02-19 | 2019-06-14 | 天津科技大学 | A method of Fe (III) ion is detected using the biomass-based carbon quantum dot of N doping |
| CN109880620A (en) * | 2019-03-02 | 2019-06-14 | 福建医科大学 | It is a kind of using biomass as the preparation and application of the green fluorescence carbon quantum dot of presoma |
| CN109988571A (en) * | 2019-04-06 | 2019-07-09 | 天津大学 | A kind of preparation of solid state fluorescence carbon quantum dot material and application |
| CN110054170A (en) * | 2019-04-19 | 2019-07-26 | 华中科技大学 | A kind of method and product using lignin preparation carbon quantum dot |
| CN110095444A (en) * | 2019-05-09 | 2019-08-06 | 南宁师范大学 | Utilize the method for carbon quantum dot detection glucose in solutions concentration |
| CN110104629A (en) * | 2019-05-20 | 2019-08-09 | 河南师范大学 | The method for synthesizing fluorescent carbon point as raw material one step hydro thermal method using wild gleditsia sinensis |
| CN110148529A (en) * | 2019-05-31 | 2019-08-20 | 河南师范大学 | A kind of preparation method of the supercapacitor based on multi-stage porous carbon material working electrode |
| CN110228802A (en) * | 2019-07-10 | 2019-09-13 | 东北林业大学 | A kind of preparation method of carbon quantum dot |
| CN110376174A (en) * | 2019-08-02 | 2019-10-25 | 河南师范大学 | Fluorescent carbon point selective enumeration method CrO is synthesized by carbon source of hawthorn42-Method |
| CN110451483A (en) * | 2019-09-02 | 2019-11-15 | 中国农业科学院郑州果树研究所 | It is a kind of using Kiwi berry as the preparation method of Material synthesis fluorescent carbon quantum dot |
| CN110623997A (en) * | 2018-06-22 | 2019-12-31 | 北京中医药大学 | Preparation and application of scutellaria baicalensis carbon quantum dots (nano particles/nano particles) |
| CN111715213A (en) * | 2019-03-20 | 2020-09-29 | 东北林业大学 | CQDs/Mn (0H) prepared from coreopsis2And applications thereof |
| CN111803631A (en) * | 2020-08-06 | 2020-10-23 | 郑州大学 | Preparation method and application of carbon nanodots with efficient antibacterial property |
| CN111840100A (en) * | 2020-08-06 | 2020-10-30 | 郑州大学 | Antibacterial washing and protecting liquid based on antibacterial carbon nanodots, and preparation method and application thereof |
| CN112028071A (en) * | 2020-09-17 | 2020-12-04 | 常州大学 | Waste mango kernel biochar and preparation method thereof |
| CN112209363A (en) * | 2019-07-10 | 2021-01-12 | 东北林业大学 | Method for preparing carbon quantum dots by taking activated sludge as raw material |
| CN112408365A (en) * | 2020-11-03 | 2021-02-26 | 桂林理工大学 | Method for preparing graphene quantum dots by using soybean meal as raw material |
| CN112552904A (en) * | 2020-12-17 | 2021-03-26 | 中国标准化研究院 | Novel fluorescent carbon quantum dot material and synthesis method and application thereof |
| CN113549450A (en) * | 2021-07-28 | 2021-10-26 | 山西大学 | Potassium-nitrogen co-doped carbon dots based on flint pericarp and preparation method and application thereof |
| CN113637337A (en) * | 2021-07-07 | 2021-11-12 | 南京师范大学 | Blue fluorescent carbon quantum dot modified super-hydrophobic material and preparation method and application thereof |
| CN114314561A (en) * | 2022-01-13 | 2022-04-12 | 上海中医药大学 | Carbon dots with hawthorn as carbon source and preparation method thereof |
| CN114940487A (en) * | 2022-06-14 | 2022-08-26 | 上海交通大学医学院附属第九人民医院 | Ginseng carbon dots and preparation method and application thereof |
| CN115820248A (en) * | 2022-09-02 | 2023-03-21 | 北京师范大学 | Method for preparing carbon quantum dots by utilizing landfill leachate membrane concentrated solution and method for detecting palladium ions by utilizing carbon quantum dots |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103325579A (en) * | 2013-06-20 | 2013-09-25 | 中南大学 | Reduction carbon quantum dot/RuO2 composite material and preparing and application method thereof |
| CN104192828A (en) * | 2014-08-26 | 2014-12-10 | 上海交通大学 | Hydrothermal synthesis method of carbon quantum dots from cotton |
| CN105586036A (en) * | 2016-01-25 | 2016-05-18 | 大连理工大学 | Preparation method of nitrogen-doped fluorescent carbon dots |
| CN106044743A (en) * | 2016-06-01 | 2016-10-26 | 郑州轻工业学院 | Preparation method and application of water-soluble carbon quantum dots based on eggshell membranes |
| US20170050851A1 (en) * | 2015-08-18 | 2017-02-23 | Transfert Plus, Société En Commandite | Method for manufacturing carbon quantum dots |
| CN107353896A (en) * | 2016-05-09 | 2017-11-17 | 郭舒洋 | A kind of method that carbon point is prepared using apple skin |
-
2018
- 2018-01-11 CN CN201810028705.2A patent/CN108083259A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103325579A (en) * | 2013-06-20 | 2013-09-25 | 中南大学 | Reduction carbon quantum dot/RuO2 composite material and preparing and application method thereof |
| CN104192828A (en) * | 2014-08-26 | 2014-12-10 | 上海交通大学 | Hydrothermal synthesis method of carbon quantum dots from cotton |
| US20170050851A1 (en) * | 2015-08-18 | 2017-02-23 | Transfert Plus, Société En Commandite | Method for manufacturing carbon quantum dots |
| CN105586036A (en) * | 2016-01-25 | 2016-05-18 | 大连理工大学 | Preparation method of nitrogen-doped fluorescent carbon dots |
| CN107353896A (en) * | 2016-05-09 | 2017-11-17 | 郭舒洋 | A kind of method that carbon point is prepared using apple skin |
| CN106044743A (en) * | 2016-06-01 | 2016-10-26 | 郑州轻工业学院 | Preparation method and application of water-soluble carbon quantum dots based on eggshell membranes |
Cited By (41)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108659830A (en) * | 2018-06-01 | 2018-10-16 | 盐城师范学院 | A method of fluorescent carbon point is prepared based on chalina |
| CN110623997B (en) * | 2018-06-22 | 2022-04-19 | 北京中医药大学 | Application of scutellaria baicalensis carbon quantum dots (nanoparticles) in preparation of anti-inflammatory and antiallergic drugs |
| CN110623997A (en) * | 2018-06-22 | 2019-12-31 | 北京中医药大学 | Preparation and application of scutellaria baicalensis carbon quantum dots (nano particles/nano particles) |
| CN109054821A (en) * | 2018-07-13 | 2018-12-21 | 山西大学 | A kind of fluorescent carbon point and its preparation method and application |
| CN109054821B (en) * | 2018-07-13 | 2021-05-14 | 山西大学 | Fluorescent carbon dot and preparation method and application thereof |
| CN109181693A (en) * | 2018-08-29 | 2019-01-11 | 济南大学 | It is a kind of using luffa as the preparation method of carbon source Er ions carbon quantum dot composite material |
| CN109097035A (en) * | 2018-08-31 | 2018-12-28 | 中国石油大学(北京) | Carbon quantum dot and its preparation and application with high fluorescent characteristic |
| CN109097035B (en) * | 2018-08-31 | 2020-11-10 | 中国石油大学(北京) | Carbon quantum dot with high fluorescence characteristic and preparation and application thereof |
| CN109504373A (en) * | 2018-11-29 | 2019-03-22 | 山西大学 | A kind of chlorine nitrogen codope carbon quantum dot and its preparation method and application based on the preparation of discarded pomelo peel |
| CN109504373B (en) * | 2018-11-29 | 2022-01-28 | 山西大学 | Chlorine-nitrogen double-doped carbon quantum dot prepared based on waste shaddock peel and preparation method and application thereof |
| CN109292753A (en) * | 2018-12-06 | 2019-02-01 | 洛阳师范学院 | A kind of carbon quantum dot and its environment-friendly preparation method thereof and application |
| CN109593525A (en) * | 2019-01-04 | 2019-04-09 | 浙江工业大学 | It is a kind of using Longjing tea as carbon quantum dot of carbon source and its preparation method and application |
| CN109870434B (en) * | 2019-01-10 | 2021-09-07 | 东北电力大学 | Composite probe of carbon quantum dot and method for detecting content of candida albicans |
| CN109870434A (en) * | 2019-01-10 | 2019-06-11 | 东北电力大学 | The combined probe of carbon quantum dot and the method for detecting Candida albicans bacterial content |
| CN109880619A (en) * | 2019-02-19 | 2019-06-14 | 天津科技大学 | A method of Fe (III) ion is detected using the biomass-based carbon quantum dot of N doping |
| CN109880620A (en) * | 2019-03-02 | 2019-06-14 | 福建医科大学 | It is a kind of using biomass as the preparation and application of the green fluorescence carbon quantum dot of presoma |
| CN109810699A (en) * | 2019-03-05 | 2019-05-28 | 贺州学院 | The preparation method of biomass nitrogen, sulfur doping fluorescent carbon point |
| CN111715213A (en) * | 2019-03-20 | 2020-09-29 | 东北林业大学 | CQDs/Mn (0H) prepared from coreopsis2And applications thereof |
| CN109988571A (en) * | 2019-04-06 | 2019-07-09 | 天津大学 | A kind of preparation of solid state fluorescence carbon quantum dot material and application |
| CN109988571B (en) * | 2019-04-06 | 2022-04-19 | 天津大学 | Preparation and application of solid-state fluorescent carbon quantum dot material |
| CN110054170A (en) * | 2019-04-19 | 2019-07-26 | 华中科技大学 | A kind of method and product using lignin preparation carbon quantum dot |
| CN110095444A (en) * | 2019-05-09 | 2019-08-06 | 南宁师范大学 | Utilize the method for carbon quantum dot detection glucose in solutions concentration |
| CN110104629A (en) * | 2019-05-20 | 2019-08-09 | 河南师范大学 | The method for synthesizing fluorescent carbon point as raw material one step hydro thermal method using wild gleditsia sinensis |
| CN110148529A (en) * | 2019-05-31 | 2019-08-20 | 河南师范大学 | A kind of preparation method of the supercapacitor based on multi-stage porous carbon material working electrode |
| CN112209363A (en) * | 2019-07-10 | 2021-01-12 | 东北林业大学 | Method for preparing carbon quantum dots by taking activated sludge as raw material |
| CN110228802A (en) * | 2019-07-10 | 2019-09-13 | 东北林业大学 | A kind of preparation method of carbon quantum dot |
| CN110376174A (en) * | 2019-08-02 | 2019-10-25 | 河南师范大学 | Fluorescent carbon point selective enumeration method CrO is synthesized by carbon source of hawthorn42-Method |
| CN110451483B (en) * | 2019-09-02 | 2021-10-29 | 中国农业科学院郑州果树研究所 | Preparation method for synthesizing fluorescent carbon quantum dots by taking kiwi fruits as raw materials |
| CN110451483A (en) * | 2019-09-02 | 2019-11-15 | 中国农业科学院郑州果树研究所 | It is a kind of using Kiwi berry as the preparation method of Material synthesis fluorescent carbon quantum dot |
| CN111840100A (en) * | 2020-08-06 | 2020-10-30 | 郑州大学 | Antibacterial washing and protecting liquid based on antibacterial carbon nanodots, and preparation method and application thereof |
| CN111803631A (en) * | 2020-08-06 | 2020-10-23 | 郑州大学 | Preparation method and application of carbon nanodots with efficient antibacterial property |
| CN112028071A (en) * | 2020-09-17 | 2020-12-04 | 常州大学 | Waste mango kernel biochar and preparation method thereof |
| CN112408365A (en) * | 2020-11-03 | 2021-02-26 | 桂林理工大学 | Method for preparing graphene quantum dots by using soybean meal as raw material |
| CN112552904A (en) * | 2020-12-17 | 2021-03-26 | 中国标准化研究院 | Novel fluorescent carbon quantum dot material and synthesis method and application thereof |
| CN113637337A (en) * | 2021-07-07 | 2021-11-12 | 南京师范大学 | Blue fluorescent carbon quantum dot modified super-hydrophobic material and preparation method and application thereof |
| CN113549450A (en) * | 2021-07-28 | 2021-10-26 | 山西大学 | Potassium-nitrogen co-doped carbon dots based on flint pericarp and preparation method and application thereof |
| CN114314561A (en) * | 2022-01-13 | 2022-04-12 | 上海中医药大学 | Carbon dots with hawthorn as carbon source and preparation method thereof |
| CN114940487A (en) * | 2022-06-14 | 2022-08-26 | 上海交通大学医学院附属第九人民医院 | Ginseng carbon dots and preparation method and application thereof |
| CN114940487B (en) * | 2022-06-14 | 2024-02-23 | 上海交通大学医学院附属第九人民医院 | Ginseng carbon dots, and preparation method and application thereof |
| CN115820248A (en) * | 2022-09-02 | 2023-03-21 | 北京师范大学 | Method for preparing carbon quantum dots by utilizing landfill leachate membrane concentrated solution and method for detecting palladium ions by utilizing carbon quantum dots |
| CN115820248B (en) * | 2022-09-02 | 2023-12-08 | 北京师范大学 | Method for preparing carbon quantum dots and detecting palladium ions by utilizing landfill leachate membrane concentrate |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108083259A (en) | The preparation method of carbon quantum dot | |
| KR20210074304A (en) | fan mill | |
| CN106698718A (en) | Terahertz water and preparation method thereof | |
| CN103772025A (en) | Plant growth sterilization accelerator and preparation process for same | |
| CN103333013A (en) | Selenium-and-germanium-rich natural green environmentally-friendly ferment crop alkaline residue nutrition base fertilizer | |
| CN104294693B (en) | A kind of preparation method of micro-nano cellulose | |
| CN107836291A (en) | A kind of interplanting method of wing pod Cassia tora and khuskhus | |
| CN106386886A (en) | Environment-friendly pesticide for vegetables, melons and fruits and preparation method thereof | |
| CN105778922B (en) | Soil conditioner and preparation method thereof | |
| CN1765739A (en) | Method for utilizing purple stem boneset | |
| CN108402088A (en) | A kind of preparation method of the preparaton of coordinate plant growth | |
| CN1150826C (en) | Application of cnidium fruit extract in preparing agricultural pesticide | |
| CN107441123A (en) | A kind of preparation method of the broken wall prepared slices of Chinese crude drugs | |
| CN108125992A (en) | A kind of integration Chinese medicine processing unit | |
| WO2021139194A1 (en) | Nano-scale plant antibacterial agent for hand sanitizer and preparation method therefor | |
| Murakonda et al. | Combined use of pulse ultrasound–assisted extraction with atmospheric cold plasma: extraction and characterization of bioactive compounds from wood apple shell (Limonia acidissima) | |
| CN105994416A (en) | Novel pesticide and production technology thereof | |
| CN1256046C (en) | Composite natural fruit and vegetable beverage | |
| CN109984256A (en) | The production method that pure plant mixed feed licks brick | |
| CN108523124A (en) | A kind of method of nanoscale food, drug and production nanoscale food, drug | |
| CN110625133B (en) | Method for preparing silver nanoparticles from traditional Chinese medicine residues and application thereof | |
| CN108703278A (en) | A kind of preparation method of the full fruit fruit juice of navel orange | |
| CN107494905A (en) | A kind of preparation method of plant-based bacteriostat | |
| CN103109877B (en) | A kind of waste tobacco leaf ultramicro grinding is produced nicotine insecticide technique | |
| CN108186355A (en) | A kind of Full-automatic medicine processing unit (plant) |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180529 |