CN109052365A - A kind of preparation method of carbon quantum dot - Google Patents
A kind of preparation method of carbon quantum dot Download PDFInfo
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- CN109052365A CN109052365A CN201811037582.5A CN201811037582A CN109052365A CN 109052365 A CN109052365 A CN 109052365A CN 201811037582 A CN201811037582 A CN 201811037582A CN 109052365 A CN109052365 A CN 109052365A
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- C01B32/00—Carbon; Compounds thereof
- C01B32/15—Nano-sized carbon materials
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- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
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- 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
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Abstract
The invention discloses a kind of preparation method of carbon quantum dot, the preparation method includes the steps that following: weighing H first2O2And ultrapure water, graphene oxide is weighed again, three kinds of above-mentioned ingredients are stirred, it is uniformly mixed and obtains solution, above-mentioned solution is gone in the polytetrafluoroethyllining lining of autoclave, after stainless steel casing is sealed, after putting 160-200 DEG C of heat treatment 12-36h in an oven, corresponding carbon quantum dot is obtained.The present invention has the characteristics that operating method is simple, the reaction time is short, required mild condition, may be implemented under the conditions of low energy consumption, quickly produces the purpose of high-quality carbon quantum dot on a large scale.Carbon quantum dot size uniformity prepared by the present invention and fluorescence quantum yield height.This method is suitable for the large-scale industrial production of high-quality carbon quantum dot.
Description
Technical field
The present invention relates to technical field of function materials, are related specifically to a kind of preparation method of carbon quantum dot.
Background technique
Carbon quantum dot is a kind of novel carbon-based zero dimension material.Carbon quantum dot has outstanding optical property, good water
Dissolubility, many advantages, such as hypotoxicity, environmental-friendly, raw material sources are wide, at low cost, good biocompatibility, since carbon quantum dot quilt
Since finding for the first time, it has been developed that many synthetic methods, including arc discharge method, laser corrode method, electrochemical synthesis,
Chemical oxidization method, combustion method, hydrothermal synthesis method, microwave process for synthesizing, template etc..Carbon quantum dot is widely used, medicine at
As there is preferable application prospect in the field of many such as technology, environmental monitoring, chemical analysis, catalyst preparation, energy development.Carbon
Quantum dot has important application in fields such as biology, materials due to the advantages that chemical property is stable, nontoxic.The morning of carbon quantum dot
Phase preparation method often uses arc process, laser method and microwave method etc., but the operation of these methods is relative complex, to equipment
It is required that high, cumbersome, cost are also relatively high.Although recent report is some to prepare carbon nano-quantum point using chemical methodes,
However these methods are mainly from biomass material preparation, for from existing carbon material, carbon amounts is made in transformation
The method of son point and carbon nanomaterial is seldom.
Summary of the invention
Technical problems to be solved: the purpose of the present invention is to provide one kind by it is simple, can quickly prepare performance
The fast preparation method of excellent carbon quantum dot.
Technical solution: to solve the above-mentioned problems, the invention discloses a kind of preparation method of carbon quantum dot, the system
Preparation Method includes the steps that following:
H is weighed first2O2And ultrapure water, then graphene oxide is weighed, three kinds of above-mentioned ingredients are stirred, mixing is equal
It is even to obtain solution, above-mentioned solution is gone in the polytetrafluoroethyllining lining of autoclave, after stainless steel casing is sealed, is placed on baking
In case after 160-200 DEG C of heat treatment 12-36h, corresponding carbon quantum dot is obtained.
Preferably, oven temperature is 170-190 DEG C in the preparation method.
Preferably, oven temperature is 180 DEG C in the preparation method.
Preferably, heat 18-32h in the preparation method.
Preferably, heat for 24 hours in the preparation method.
Preferably, H in the preparation method2O2Ratio with graphene oxide is 0.5-1:1.
Preferably, H in the preparation method2O2Ratio with graphene oxide is 1:1.
Compared with prior art, the present invention has the advantages that: the present invention has, operating method is simple, the reaction time is short,
The features such as required mild condition, may be implemented under the conditions of low energy consumption, quickly produce the purpose of high-quality carbon quantum dot on a large scale.This
It invents the carbon quantum dot size uniformity of preparation and fluorescence quantum yield is high.This method is suitable for the large-scale industry of high-quality carbon quantum dot
Production.
Detailed description of the invention
Fig. 1 is the carbon quantum dot digital pictures using graphene oxide transformation preparation；
Fig. 2 is the carbon quantum dot SEM picture using graphene oxide transformation preparation.
Specific embodiment
Embodiment 1
Measure the H of 10mL2O2, 20mL ultrapure water, and weigh 20mg graphene oxide, be uniformly mixed and obtain solution.It will be above-mentioned
Solution go in the polytetrafluoroethyllining lining of autoclave, after stainless steel casing is sealed, put in an oven 180 DEG C heat treatment
After for 24 hours, corresponding carbon quantum dot is obtained.
Embodiment 2
Measure the H of 20mL2O2, 20mL ultrapure water, and weigh 20mg graphene oxide, be uniformly mixed and obtain solution.It will be above-mentioned
Solution go in the polytetrafluoroethyllining lining of autoclave, after stainless steel casing is sealed, put in an oven 180 DEG C heat treatment
After for 24 hours, corresponding carbon quantum dot is obtained.
Embodiment 3
Measure the H of 10mL2O2, 20mL ultrapure water, and weigh 20mg graphene oxide, be uniformly mixed and obtain solution.It will be above-mentioned
Solution go in the polytetrafluoroethyllining lining of autoclave, after stainless steel casing is sealed, put in an oven 160 DEG C heat treatment
After 12h, corresponding carbon quantum dot is obtained.
Embodiment 4
Measure the H of 20mL2O2, 20mL ultrapure water, and weigh 20mg graphene oxide, be uniformly mixed and obtain solution.It will be above-mentioned
Solution go in the polytetrafluoroethyllining lining of autoclave, after stainless steel casing is sealed, put in an oven 200 DEG C heat treatment
After 32h, corresponding carbon quantum dot is obtained.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright description is applied directly or indirectly in other relevant technology necks
Domain is included within the scope of the present invention.
Claims (7)
1. a kind of preparation method of carbon quantum dot, which is characterized in that the preparation method includes the steps that following:
H is weighed first2O2And ultrapure water, then graphene oxide is weighed, three kinds of above-mentioned ingredients are stirred, are uniformly mixed
To solution, above-mentioned solution is gone in the polytetrafluoroethyllining lining of autoclave, after stainless steel casing is sealed, is put in an oven
After 160-200 DEG C of heat treatment 12-36h, corresponding carbon quantum dot is obtained.
2. a kind of preparation method of carbon quantum dot according to claim 1, which is characterized in that dried in the preparation method
Box temperature degree is 170-190 DEG C.
3. a kind of preparation method of carbon quantum dot according to claim 1, which is characterized in that dried in the preparation method
Box temperature degree is 180 DEG C.
4. a kind of preparation method of carbon quantum dot according to claim 1, which is characterized in that add in the preparation method
It is heat-treated 18-32h.
5. a kind of preparation method of carbon quantum dot according to claim 1, which is characterized in that add in the preparation method
Heat treatment is for 24 hours.
6. a kind of preparation method of carbon quantum dot according to claim 1, which is characterized in that in the preparation method
H2O2Ratio with graphene oxide is 0.5-1:1.
7. a kind of preparation method of carbon quantum dot according to claim 1, which is characterized in that in the preparation method
H2O2Ratio with graphene oxide is 1:1.
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| CN201811037582.5A CN109052365A (en) | 2018-09-06 | 2018-09-06 | A kind of preparation method of carbon quantum dot |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111644203A (en) * | 2020-06-10 | 2020-09-11 | 青岛品泰新材料技术有限责任公司 | Application of metalloporphyrin functionalized graphene quantum dot/boron nitride composite photocatalytic material in hydrogen production by photolysis of water |
Citations (8)
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|---|---|---|---|---|
| CN102660270A (en) * | 2012-05-03 | 2012-09-12 | 吉林大学 | Method for preparing fluorescent graphene quantum dots by solvothermal method |
| CN106219528A (en) * | 2016-07-26 | 2016-12-14 | 湖南师范大学 | A kind of controlled method preparing graphene oxide and graphene oxide quantum dot |
| CN106348281A (en) * | 2015-07-13 | 2017-01-25 | 南京理工大学 | Method for preparing bifluorescence graphene quantum dots hydrothermally |
| WO2017032330A1 (en) * | 2015-08-25 | 2017-03-02 | 深圳粤网节能技术服务有限公司 | Preparation method for graphene quantum dots with different oxygen content, graphene quantum dot, and fluorescent material |
| CN106554008A (en) * | 2015-09-18 | 2017-04-05 | 上海新池能源科技有限公司 | A kind of method that catalyst auxiliary prepares graphene quantum dot |
| CN107098336A (en) * | 2017-04-28 | 2017-08-29 | 成都川烯科技有限公司 | A kind of method that graphene quantum dot is prepared based on photochemical method |
| CN107557003A (en) * | 2017-09-28 | 2018-01-09 | 苏州轻光材料科技有限公司 | A kind of blue-fluorescence graphene quantum dot preparation method and in white light LEDs application |
| CN108192604A (en) * | 2018-03-20 | 2018-06-22 | 桂林理工大学 | A kind of preparation method of nitrogen-doped graphene quantum dot |
-
2018
- 2018-09-06 CN CN201811037582.5A patent/CN109052365A/en not_active Withdrawn
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102660270A (en) * | 2012-05-03 | 2012-09-12 | 吉林大学 | Method for preparing fluorescent graphene quantum dots by solvothermal method |
| CN106348281A (en) * | 2015-07-13 | 2017-01-25 | 南京理工大学 | Method for preparing bifluorescence graphene quantum dots hydrothermally |
| WO2017032330A1 (en) * | 2015-08-25 | 2017-03-02 | 深圳粤网节能技术服务有限公司 | Preparation method for graphene quantum dots with different oxygen content, graphene quantum dot, and fluorescent material |
| CN106554008A (en) * | 2015-09-18 | 2017-04-05 | 上海新池能源科技有限公司 | A kind of method that catalyst auxiliary prepares graphene quantum dot |
| CN106219528A (en) * | 2016-07-26 | 2016-12-14 | 湖南师范大学 | A kind of controlled method preparing graphene oxide and graphene oxide quantum dot |
| CN107098336A (en) * | 2017-04-28 | 2017-08-29 | 成都川烯科技有限公司 | A kind of method that graphene quantum dot is prepared based on photochemical method |
| CN107557003A (en) * | 2017-09-28 | 2018-01-09 | 苏州轻光材料科技有限公司 | A kind of blue-fluorescence graphene quantum dot preparation method and in white light LEDs application |
| CN108192604A (en) * | 2018-03-20 | 2018-06-22 | 桂林理工大学 | A kind of preparation method of nitrogen-doped graphene quantum dot |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111644203A (en) * | 2020-06-10 | 2020-09-11 | 青岛品泰新材料技术有限责任公司 | Application of metalloporphyrin functionalized graphene quantum dot/boron nitride composite photocatalytic material in hydrogen production by photolysis of water |
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Application publication date: 20181221 |