CN106928999A - The preparation method of photochromic adjustable warm colour light long afterglow luminous material - Google Patents
The preparation method of photochromic adjustable warm colour light long afterglow luminous material Download PDFInfo
- Publication number
- CN106928999A CN106928999A CN201710178743.1A CN201710178743A CN106928999A CN 106928999 A CN106928999 A CN 106928999A CN 201710178743 A CN201710178743 A CN 201710178743A CN 106928999 A CN106928999 A CN 106928999A
- Authority
- CN
- China
- Prior art keywords
- luminous material
- warm colour
- long afterglow
- colour light
- afterglow luminous
- 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
- C09K11/02—Use of particular materials as binders, particle coatings or suspension media therefor
-
- 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
- C09K11/06—Luminescent, e.g. electroluminescent, chemiluminescent materials containing organic luminescent materials
-
- 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
- C09K11/77—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals
- C09K11/7783—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals containing two or more rare earth metals one of which being europium
- C09K11/7792—Aluminates
-
- 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
- C09K2211/00—Chemical nature of organic luminescent or tenebrescent compounds
- C09K2211/10—Non-macromolecular compounds
- C09K2211/1018—Heterocyclic compounds
- C09K2211/1025—Heterocyclic compounds characterised by ligands
- C09K2211/1029—Heterocyclic compounds characterised by ligands containing one nitrogen atom as the heteroatom
-
- 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
- C09K2211/00—Chemical nature of organic luminescent or tenebrescent compounds
- C09K2211/10—Non-macromolecular compounds
- C09K2211/1018—Heterocyclic compounds
- C09K2211/1025—Heterocyclic compounds characterised by ligands
- C09K2211/1044—Heterocyclic compounds characterised by ligands containing two nitrogen atoms as heteroatoms
-
- 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
- C09K2211/00—Chemical nature of organic luminescent or tenebrescent compounds
- C09K2211/10—Non-macromolecular compounds
- C09K2211/1018—Heterocyclic compounds
- C09K2211/1025—Heterocyclic compounds characterised by ligands
- C09K2211/1088—Heterocyclic compounds characterised by ligands containing oxygen as the only heteroatom
Abstract
The present invention relates to a kind of preparation method of photochromic adjustable warm colour light long afterglow luminous material, it is characterized in that, comprise the following steps：（1）SAOED is added to silane coupler is added after disperseing in absolute ethyl alcohol, after regulation pH value at 70 80 DEG C stirring reaction 34 hours；Reaction terminates rear suction filtration, absolute ethanol washing, drying, obtains luminescent powder；（2）Toluene is put into the reaction vessel with reflux condensate device and agitator, and benzoyl peroxide is added after deoxygenation, and stirring makes to be completely dissolved；（3）By step（1）The luminescent powder and Color Conversion agent for obtaining are added in reaction vessel, make to be uniformly dispersed, then instill MMA；（4）Reaction vessel in 70 80 DEG C of 4h of stirring reaction 2, reaction wash after terminating with ethanol, suction filtration, drying, that is, obtain described in warm colour light long afterglow luminous material.Obtained warm colour light long afterglow luminous material of the present invention has photochromic adjustable, and fluorescent brightness is high, and persistence is long, nontoxic, "dead", the advantages of preparation process is simple.
Description
Technical field
It is long remaining the present invention relates to a kind of preparation method of long afterglow luminous material, especially a kind of photochromic adjustable warm colour light
The preparation method of brightness Noctilucent material, belongs to fluorescent material preparing technical field.
Background technology
Long afterglow Noctilucent material is a kind of embedded photoluminescent material that can realize light energy absorption-storage-release, when it
After being excited by the light of specific wavelength, bright fluorescence can be continuously sent out in dark surrounds.At present, most length on the market
Afterglowing material is main based on blue-green.Wherein, SrAl2O4:Eu2+,Dy3+(hereinafter referred to as SAOED) is due to the strong high, twilight sunset of fluorescence
Time is long, stable chemical performance, preparation process is simple the advantages of it is most representative.As long as the Noctilucent material absorbs 10 points of sunshine
Clock, it becomes possible under dark surrounds, continuously sends out bright more than blue-green fluorescent 10h, and can recycle.Additionally, should
It is material non-toxic, "dead", night illumination, fluorescence display, fluorescence detection, fluorescent toy, decoration, glimmering is widely used at present
The fields such as optical coating, luminous fiber.Especially in luminous fiber and its textile field, the material has huge application preceding
Scape.But it is photochromic more single because the iridescent of SAOED is blue-green；Additionally, blue-green fluorescent color belongs to cool colour light, so
And people prefer such as yellow, red warm colour light.Therefore, its range of application is received and limited to a certain degree.
In recent years, the long-afterglow material with warm colour fluorescence becomes the study hotspot in the field, reports in succession several
The long-afterglow material of warm colour light.Wherein, mainly with the rear-earth-doped Y of red light2O3S is representative.But, its fluorescent brightness is too low,
And persistence is short, industrial production application requirement far can not be met.Based on problem above, if can be long remaining in blue-green SAOED
On the basis of brightness Noctilucent material, in the one layer of red fluorescence Color Conversion agent of its Surface coating, make its iridescent that red shift occur (to length
Wavelength direction is moved), it is changed into warm colour iridescent, its range of application will be substantially increased.
The content of the invention
The purpose of the present invention is to overcome the deficiencies in the prior art, there is provided a kind of photochromic adjustable warm colour light long afterglow
The preparation method of Noctilucent material, obtained warm colour light long afterglow luminous material has photochromic adjustable, and fluorescent brightness is high, during twilight sunset
Between it is long, it is nontoxic, it is "dead", the advantages of preparation process is simple.
According to the technical scheme that the present invention is provided, the preparation side of the photochromic adjustable warm colour light long afterglow luminous material
Method, it is characterized in that, comprise the following steps：
(1) SAOED is added in absolute ethyl alcohol, the mass ratio of SAOED and absolute ethyl alcohol is 1:10-15, ultrasonic wavelength-division
Dissipate；The silane coupler of relative SAOED mass 15%-20% is subsequently adding, is stirred at 70-80 DEG C after regulation pH value to 1-2
Reaction 3-4 hours；Reaction carries out suction filtration after terminating, and is dried with after absolute ethanol washing, obtains luminescent powder, standby；
(2) take toluene to be put into the reaction vessel with reflux condensate device and agitator, the quality of luminescent powder and toluene
Than being 1:8-10, after being passed through nitrogen deoxygenation, is slowly added to account for the benzoyl peroxide of luminescent powder quality 0.8-1.0%, at room temperature
Stirring is completely dissolved it；
(3) luminescent powder and Color Conversion agent for obtaining step (1) are added in the reaction vessel of step (2), luminescent powder
It is 1 with the mass ratio of Color Conversion agent:0.1%-0.9%, stirring makes to be uniformly dispersed, then is slowly dropped into stage by stage through dilution with toluene
The mass ratio of methyl-propyl acid methyl esters MMA, toluene, luminescent powder and MMA be 3-4:1:0.15-0.2；
(4) reaction vessel is coated in 70-80 DEG C of stirring reaction 2-4h to luminescent powder；Reaction uses ethanol after terminating
Washing, suction filtration, drying, that is, obtain the photochromic adjustable warm colour light long afterglow luminous material.
Further, the structural formula of the Color Conversion agent is：
Further, in the step (3), luminescent powder is with the mass ratio of Color Conversion agent, methyl methacrylate MMA
1:0.1%-0.9%:0.15-0.2.
Further, in the step (1), the ultrasonic wave scattered time is 30-60 minutes；Silane coupler uses silane
Coupling agent kh-570；PH value is adjusted using the dilution heat of sulfuric acid of 0.5-1mol/L；The rotating speed of stirring reaction is 200-250r/min；
Using absolute ethanol washing 2-3 times after 60-70 DEG C of drying.
Further, in the step (2), speed of agitator is 80-100r/min.
Further, in the step (3), speed of agitator is 200-250r/min.
Further, in the step (4), speed of agitator is 200-250r/min.
The preparation method of photochromic adjustable warm colour light long afterglow luminous material of the present invention, using poly-methyl methacrylate
While ester carries out organic coating to blue-green long persistence Noctilucent material SAOED, can be by SAOED certainly in its Surface coating one kind
The red fluorescence Color Conversion agent that the fluorescence of body is excited, using Light energy transfer and the principle of photochromic superposition, after making whole cladding
The iridescent of the iridescent relative to SAOED of composite there is red shift, show warm colour light fluorescence；It is red glimmering by controlling
The cladding ratio of light Color Conversion agent adjusts the iridescent of composite.The warm colour light long afterglow luminous material have it is photochromic can
Adjust, fluorescent brightness is high, persistence is long, nontoxic, "dead", the advantages of preparation process is simple；In colorful noctilucent fiber and its
The fields such as textile, fluorescence display, fluorescent paint, electronic component are with a wide range of applications.
Brief description of the drawings
Fig. 1 is the electron scanning micrograph of the photochromic adjustable warm colour long afterglow luminous material that the present invention is obtained.
Fig. 2 is exciting and sending out for the warm colour light long afterglow luminous material of different Color Conversion agent cladding ratios prepared by the present invention
Penetrate spectrum；Abscissa is wavelength, and unit is nm；Ordinate is relative intensity, and unit is a.u..
Fig. 3 is the hair of the warm colour light long afterglow luminous material at night of different Color Conversion agent cladding ratios prepared by the present invention
Radiograph.
The colourity of Fig. 4 warm colour light long afterglow luminous material of the different Color Conversion agent cladding ratios of present invention preparation is sat
Mark.
Specific embodiment
The agent of fluorescence Color Conversion contains certain fluorophor due to its intramolecular, such as C=O bond, carbon-to-nitrogen double bon or
Chromophoric group, when being excited by the light of specific wavelength, can launch the fluorescence of bright particular color.Long afterglow luminous material
Expect that the emission spectrum of SAOED is located in the range of 450-700nm, crest belongs to blue green light at 520nm.Work as Color Conversion
When the excitation spectrum of agent has overlapping region with the emission spectrum of SAOED, SAOED just can swashing as this Color Conversion agent
Light emitting source.
Set based on more than, by a kind of homemade red fluorescence Color Conversion agent, it meets excitation spectrum and is located at the present invention
In the range of 300-600nm, emission spectrum is located at 560-700nm.Using the method for chemistry cladding, the table of SAOED is coated on
Face.When SAOED is excited by sunlight, luminous energy is stored, in dark surrounds, continuously launch the blue-green of itself
Fluorescence, this blue-green fluorescent is delivered to the Color Conversion agent on its surface, it is launched red fluorescence.Certainly, wrapped
The iridescent of the SAOED after covering will be the secondary colour of blue-green and red, and red shift can occur relative to blue-green.And Color Conversion
The cladding of agent is than bigger, and red shift degree is bigger.
With reference to specific embodiment, the invention will be further described.
Embodiment 1：
The absolute ethyl alcohol of 50g is poured into the three neck round bottom flask of 150mL, 5g blue-green luminescent powder SAOED, ultrasonic wave is added
Dispersion 30 minutes；Again to 0.75g Silane coupling reagent KH-570s are added in round-bottomed flask, dilute sulphur that concentration is 0.5mol is slowly added dropwise
Acid solution, adjusts the pH value of solution to 1；Round-bottomed flask is moved into water-bath, the rotating speed stirring with 200r/min at 70 DEG C is anti-
Answer 3 hours；Reaction carries out suction filtration after terminating, and with 60 DEG C of dryings after absolute ethanol washing 2 times 24 hours, takes out standby；
The toluene of 40g is poured into the three neck round bottom flask with reflux condensate device and agitator of 250mL, be passed through nitrogen
After gas removes the oxygen in flask, 40mg benzoyl peroxide powder is slowly added to, is made with the rotating speed stirring of 80r/min at room temperature
It is completely dissolved；SAOED luminescent powders and 5mg Color Conversion agent that 5g is treated through KH-570 are weighed, above-mentioned round bottom is slowly added to
In flask, at the uniform velocity stirred with the rotating speed of 200r/min, then be slowly dropped into aminomethyl phenyl acid of the 15.75g through dilution with toluene stage by stage
Methyl esters MMA (m toluene:mSAOED:MMMA=3:1:0.15)；In moving to thermostat water bath in there-necked flask, 70 DEG C with
The rotating speed heating stirring of 200r/min is reacted 2 hours；Reaction is washed to the Noctilucent material after cladding with absolute ethyl alcohol after terminating, taken out
Warm colour light long afterglow luminous material is obtained after filter, drying.There is the cladding that clad noctilucent powder is formed after polymerisation is dried in MMA
Base material PMMA.
The warm colour light light long afterglow luminous material emission spectrum and chromaticity coordinate are respectively such as red curve in Fig. 2
(0.1%) and shown in Fig. 4 (0.1%).
Embodiment 2：
The absolute ethyl alcohol of 120g is poured into the three neck round bottom flask of 250mL, 10g blue-green luminescent powder SAOED, ultrasound is added
Wavelength-division dissipates 45 minutes；Again to 2g Silane coupling reagent KH-570s are added in round-bottomed flask, the dilute sulfuric acid that concentration is 1mol is slowly added dropwise
Solution, adjusts the pH value of solution to 2；Round-bottomed flask is moved into water-bath, with the rotating speed stirring reaction 4 of 250r/min at 75 DEG C
Hour.Reaction carries out suction filtration after terminating, and with 65 DEG C of dryings after absolute ethanol washing 3 times 24 hours, takes out standby；
The toluene of 80g is poured into the three neck round bottom flask with reflux condensate device and agitator of 250mL, be passed through nitrogen
After gas removes the oxygen in flask, 80mg benzoyl peroxide powder is slowly added to, is stirred with the rotating speed of 100r/min at room temperature
It is completely dissolved it；SAOED luminescent powders and 30mg Color Conversion agent that 10g is treated through KH-570 are weighed, is slowly added to above-mentioned
In round-bottomed flask, at the uniform velocity stirred with the rotating speed of 250r/min, then be slowly dropped into aminomethyl phenyl acid of the 32g through dilution with toluene stage by stage
Methyl esters MMA (m toluene:mSAOED:MMMA=3:1:0.2)；In moving to thermostat water bath in there-necked flask, 80 DEG C with
The rotating speed heating stirring of 250r/min is reacted 3 hours；Reaction is washed to the Noctilucent material after cladding with absolute ethyl alcohol after terminating, taken out
Warm colour light long afterglow luminous material is obtained after filter, drying.
The warm colour light light long afterglow luminous material emission spectrum and chromaticity coordinate are respectively such as red curve in Fig. 2
(0.3%) and shown in Fig. 4 (0.3%).
Embodiment 3：
The absolute ethyl alcohol of 150g is poured into the three neck round bottom flask of 250mL, 10g blue-green luminescent powder SAOED, ultrasound is added
Wavelength-division dissipates 60 minutes；Again to 2g Silane coupling reagent KH-570s are added in round-bottomed flask, the dilute sulfuric acid that concentration is 1mol is slowly added dropwise
Solution, adjusts the pH value of solution to 1；Round-bottomed flask is moved into water-bath, with the rotating speed stirring reaction 4 of 250r/min at 80 DEG C
Hour.Reaction carries out suction filtration after terminating, and with 70 DEG C of dryings after absolute ethanol washing 3 times 24 hours, takes out standby；
The toluene of 100g is poured into the three neck round bottom flask with reflux condensate device and agitator of 250mL, be passed through
After nitrogen removes the oxygen in flask, 100mg benzoyl peroxide powder is slowly added to, is stirred with the rotating speed of 100r/min at room temperature
Mixing is completely dissolved it；SAOED luminescent powders and 50mg Color Conversion agent that 10g is treated through KH-570 are weighed, is slowly added to
State in round-bottomed flask, at the uniform velocity stirred with the rotating speed of 250r/min, then be slowly dropped into aminomethyl phenyls of the 42g through dilution with toluene stage by stage
Sour methyl esters MMA (m toluene:mSAOED:MMMA=4:1:0.2)；In moving to thermostat water bath in there-necked flask, 80 DEG C with
The rotating speed heating stirring of 250r/min is reacted 4 hours；Reaction is washed to the Noctilucent material after cladding with absolute ethyl alcohol after terminating, taken out
Warm colour light long afterglow luminous material is obtained after filter, drying.
The warm colour light light long afterglow luminous material emission spectrum and chromaticity coordinate are respectively such as red curve in Fig. 2
(0.5%) and shown in Fig. 4 (0.5%).
Claims (7)
1. a kind of preparation method of photochromic adjustable warm colour light long afterglow luminous material, it is characterized in that, comprise the following steps：
(1) SAOED is added in absolute ethyl alcohol, the mass ratio of SAOED and absolute ethyl alcohol is 1:10-15, ultrasonic wave dispersion；So
Add the silane coupler of relative SAOED mass 15%-20% afterwards, after regulation pH value to 1-2 at 70-80 DEG C stirring reaction 3-
4 hours；Reaction carries out suction filtration after terminating, and is dried with after absolute ethanol washing, obtains luminescent powder, standby；
(2) take toluene to be put into the reaction vessel with reflux condensate device and agitator, the mass ratio of luminescent powder and toluene is
1:8-10, after being passed through nitrogen deoxygenation, is slowly added to account for the benzoyl peroxide of luminescent powder quality 0.8-1.0%, stirs at room temperature
It is completely dissolved it；
(3) luminescent powder and Color Conversion agent for obtaining step (1) are added in the reaction vessel of step (2), luminescent powder and light
The mass ratio of color conversion agent is 1:0.1%-0.9%, stirring makes to be uniformly dispersed, then is slowly dropped into stage by stage through the first of dilution with toluene
The mass ratio of base acid propyl methyl esters MMA, toluene, luminescent powder and MMA is 3-4:1:0.15-0.2；
(4) reaction vessel is coated in 70-80 DEG C of stirring reaction 2-4h to luminescent powder；Reaction terminate after washed with ethanol,
Suction filtration, drying, that is, obtain the photochromic adjustable warm colour light long afterglow luminous material.
2. the preparation method of photochromic adjustable warm colour light long afterglow luminous material as claimed in claim 1, it is characterized in that：It is described
The structural formula of Color Conversion agent is：
3. the preparation method of photochromic adjustable warm colour light long afterglow luminous material as claimed in claim 1, it is characterized in that：It is described
In step (3), luminescent powder is 1 with the mass ratio of Color Conversion agent, methyl methacrylate MMA:0.1%-0.9%:0.15-
0.2。
4. the preparation method of photochromic adjustable warm colour light long afterglow luminous material as claimed in claim 1, it is characterized in that：It is described
In step (1), the ultrasonic wave scattered time is 30-60 minutes；Silane coupler uses Silane coupling reagent KH-570；Using 0.5-
The dilution heat of sulfuric acid regulation pH value of 1mol/L；The rotating speed of stirring reaction is 200-250r/min；Using absolute ethanol washing 2-3 times
After 60-70 DEG C of drying.
5. the preparation method of photochromic adjustable warm colour light long afterglow luminous material as claimed in claim 1, it is characterized in that：It is described
In step (2), speed of agitator is 80-100r/min.
6. the preparation method of photochromic adjustable warm colour light long afterglow luminous material as claimed in claim 1, it is characterized in that：It is described
In step (3), speed of agitator is 200-250r/min.
7. the preparation method of photochromic adjustable warm colour light long afterglow luminous material as claimed in claim 1, it is characterized in that：It is described
In step (4), speed of agitator is 200-250r/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710178743.1A CN106928999A (en) | 2017-03-23 | 2017-03-23 | The preparation method of photochromic adjustable warm colour light long afterglow luminous material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710178743.1A CN106928999A (en) | 2017-03-23 | 2017-03-23 | The preparation method of photochromic adjustable warm colour light long afterglow luminous material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106928999A true CN106928999A (en) | 2017-07-07 |
Family
ID=59425075
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710178743.1A Pending CN106928999A (en) | 2017-03-23 | 2017-03-23 | The preparation method of photochromic adjustable warm colour light long afterglow luminous material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106928999A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108865130A (en) * | 2018-05-21 | 2018-11-23 | 湖南大学 | A kind of rare earth long afterglow luminescent powder body and preparation method thereof, water-based energy storage type long afterglow luminous paint and preparation method thereof |
| CN113801524A (en) * | 2021-09-23 | 2021-12-17 | 福建省三棵树新材料有限公司 | Warm-color long-afterglow energy-storage luminescent coating and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1861743A (en) * | 2006-06-09 | 2006-11-15 | 江西财经大学 | Surface organic film coating process of long afterglow luminescent powder of alkaline earth aluminate |
| CN106010532A (en) * | 2016-06-03 | 2016-10-12 | 江南大学 | Method for preparing high-brightness red light long afterglow luminous material |
-
2017
- 2017-03-23 CN CN201710178743.1A patent/CN106928999A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1861743A (en) * | 2006-06-09 | 2006-11-15 | 江西财经大学 | Surface organic film coating process of long afterglow luminescent powder of alkaline earth aluminate |
| CN106010532A (en) * | 2016-06-03 | 2016-10-12 | 江南大学 | Method for preparing high-brightness red light long afterglow luminous material |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108865130A (en) * | 2018-05-21 | 2018-11-23 | 湖南大学 | A kind of rare earth long afterglow luminescent powder body and preparation method thereof, water-based energy storage type long afterglow luminous paint and preparation method thereof |
| CN113801524A (en) * | 2021-09-23 | 2021-12-17 | 福建省三棵树新材料有限公司 | Warm-color long-afterglow energy-storage luminescent coating and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108251109B (en) | Perovskite quantum dot material and preparation method thereof | |
| CN106867528A (en) | A kind of carbon nano dot and preparation method thereof, carbon nano dot composite and preparation method thereof and emitting led | |
| CN110205124B (en) | Fluorescent and phosphorescent dual-emission white light carbon quantum dot and preparation method and application thereof | |
| CN102403426B (en) | Method for manufacturing white light LED with wide color gamut | |
| CN107195741B (en) | A kind of preparation method of full-inorganic quantum dot backlight LED | |
| CN107057702B (en) | A kind of red fluorescence powder, preparation method and its made light emitting device | |
| CN107053780A (en) | A kind of quantum dot film being applied in backlight module and preparation method thereof | |
| CN102694110A (en) | Non-rare earth nanocrystalline fluorescent powder-containing packaging material, preparation method and application | |
| CN105112044A (en) | Fluorescent carbon quantum dot composite light-emitting material, preparation method therefor and application on LED | |
| CN111439742B (en) | Preparation method of white light carbon dots | |
| CN106566540A (en) | Nitrogen, sulfur and copper codoped carbon nanometer point and preparation method and application thereof | |
| CN104674361A (en) | Preparation method of noctilucent fibers capable of emitting red light in darkness | |
| CN106928999A (en) | The preparation method of photochromic adjustable warm colour light long afterglow luminous material | |
| CN105950143A (en) | Red phosphor, preparation method thereof and light emitting device using red phosphor | |
| CN105969342A (en) | Method for preparing multicolor and luminous rare earth complex functionalized nano carbon dots | |
| CN108192111A (en) | A kind of pyridine acid metalloid organic frame white light emitting material and preparation method thereof | |
| CN108587614A (en) | A kind of pure carbon nano dot and preparation method thereof, LED light source | |
| CN107722291B (en) | Rare earth-organic framework material with organic dye introduced and preparation method thereof | |
| CN107033882A (en) | A kind of Mn4+Cryolite lithium red light material of doping and preparation method thereof | |
| CN106010532B (en) | The preparation method of high brightness red light long afterglow luminous material | |
| CN105957945B (en) | A kind of light emitting diode and preparation method thereof with photonic crystal | |
| CN102936495B (en) | The synthetic method of silicate orange red fluorescence powder for a kind of white light LEDs | |
| CN110373738B (en) | Preparation method of warm color light emitting optical fiber | |
| CN105670615B (en) | A kind of strontium aluminate cage type microballoon luminescent material of divalent europium doping and preparation method thereof | |
| CN109734940A (en) | A kind of preparation method of the luminous canopy film of rare earth silicate base composite red color |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170707 |
|
| RJ01 | Rejection of invention patent application after publication |