CN106497567A - A kind of cadmium telluride and the preparation method of bentonite composite fluorescent material - Google Patents
A kind of cadmium telluride and the preparation method of bentonite composite fluorescent material Download PDFInfo
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- CN106497567A CN106497567A CN201610920847.0A CN201610920847A CN106497567A CN 106497567 A CN106497567 A CN 106497567A CN 201610920847 A CN201610920847 A CN 201610920847A CN 106497567 A CN106497567 A CN 106497567A
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- bentonite
- fluorescent material
- cdte
- cadmium telluride
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- 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
- C09K11/88—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing selenium, tellurium or unspecified chalcogen elements
- C09K11/881—Chalcogenides
- C09K11/883—Chalcogenides with zinc or cadmium
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- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
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- Organic Chemistry (AREA)
- Luminescent Compositions (AREA)
Abstract
The invention discloses the preparation method of a kind of cadmium telluride and bentonite composite fluorescent material.The material is exactly to introduce the composite generated by CdTe in bentonitic nano pore.Detailed process is as follows：(1) to equipped with Cd2+Bentonite is added in the there-necked flask of solution and is stirred vigorously；(2) sulfhydryl compound is added in stirring mixture, its pH value is adjusted to strong basicity with NaOH solution, reagent containing tellurium and reducing agent is then sequentially added；(3) there-necked flask is placed in magnetic agitation heater and is heated to reflux, reactant mixture is centrifuged, take precipitation, with drying in drying box after distillation washing, products obtained therefrom is CdTe and bentonite composite fluorescent material to gained precipitation.Compared with additive method, this law prepares the method for composite and simply, easily operates；There are products obtained therefrom excellent luminescent properties and glow color is adjustable；Solve the problems, such as to be difficult to obtain CdTe powder luminescent materials in a large number.
Description
Technical field
The invention belongs to the system of inorganic fluorescent material preparation field, specifically a kind of cadmium telluride and bentonite composite fluorescent material
Preparation Method.
Background technology
CdTe quantum has excellent photoelectric properties, causes the extensive pass of people in fundamental and applied research field
Note.In the basic research such as chemical analysis and bio-imaging field, it is desirable that its solution；And in photocatalysis and light emitting diode etc.
In terms of application study, it is desirable that its powder.Although existing multiple methods for preparing quantum dot, these methods overwhelming majority is
Carry out inside solution, it is difficult to obtain quantum dot powder in a large number.
Bentonite is a kind of natural silicate clay mineral, with specific surface area is big, good adsorption performance and interlayer sun
The advantages of ion is commutative.By ultrasound will CdTe quantum absorption insertion bentonite bed between be obtained glow color variable and send out
The strong quantum dot of light ability and bentonite composite fluorescent material (Journal of Colloid and Interface Science
368(2012)139–143)；Can also bentonite be directly synthesized CdS quantum dot for matrix in its duct, obtain CdS quantum dot
With bentonite composite fluorescent material (Applied Clay Science 72 (2013) 44 48, Journal of Colloid
And Interface Science 360 (2011) 574 579), but the optical property of CdS is not so good as CdTe.The present invention is with swelling
Soil is directly synthesized CdTe quantum in its duct for matrix, is prepared using the method for " treating different things alike " and there is excellent optical performance
CdTe and bentonite composite fluorescent material.
Content of the invention
It is an object of the invention to provide the preparation method of a kind of cadmium telluride and bentonite composite fluorescent material.
Technical proposal that the invention solves the above-mentioned problems is as follows.
A kind of cadmium telluride is introducing tellurium in bentonitic nano pore with the preparation method of bentonite composite fluorescent material
The composite generated by cadmium, operating procedure are as follows：
1. weigh 2.0g bentonites to be placed in equipped with the CdCl that concentration is 0.02mol/L, volume is 100mL2Three mouthfuls of solution
In flask and it is stirred vigorously, mixing time is 12 hours, allows Cd2+Ion is fully adsorbed in bentonite duct, is adsorbed
Cd2+The medicinal bentonite suspension of ion.
2., under upper step stirring, the HSCH that volume is 300 μ L is added in suspension2CH2COOH, molten with NaOH
Its pH value is adjusted to 11 by liquid, then sequentially adds the NaBH that quality is 0.1g4With the TeCl that quality is 0.0269g4.
3. upper step there-necked flask is placed in magnetic agitation heater and is heated to reflux.It is 30,80,150 in return time
With separately sampled and centrifugation when 300 minutes, precipitation is taken, gained precipitation is washed after 3 times in 70 DEG C of drying boxes with distillation
Middle drying, product are CdTe and bentonite composite fluorescent material.
Glow colors of the above-mentioned CdTe with bentonite composite material under ultraviolet light is followed successively by green, yellow, orange
And redness, maximum emission wavelength is followed successively by 560,580,600 and 660nm.
Description of the drawings
The photo in kind (f-j) of Fig. 1 bentonites and CdTe with bentonite composite material under daylight (a-e) with ultraviolet light.
The CdTe of Fig. 2 bentonites and different return times and the fluorescence spectrum of bentonite composite material.
Specific embodiment
With reference to being embodied as, the invention will be further described.
A kind of cadmium telluride is introducing tellurium in bentonitic nano pore with the preparation method of bentonite composite fluorescent material
The composite generated by cadmium, operating procedure are as follows：
1. weigh 2.0g bentonites to be placed in equipped with the CdCl that concentration is 0.02mol/L, volume is 100mL2Three mouthfuls of solution
In flask and it is stirred vigorously, mixing time is 12 hours, allows Cd2+Ion is fully adsorbed in bentonite duct, is adsorbed
Cd2+The medicinal bentonite suspension of ion.
2., under upper step stirring, the HSCH that volume is 300 μ L is added in suspension2CH2COOH, molten with NaOH
Its pH value is adjusted to 11 by liquid, then sequentially adds the NaBH that quality is 0.1g4With the TeCl that quality is 0.0269g4.
3. upper step there-necked flask is placed in magnetic agitation heater and is heated to reflux.It is 30,80,150 in return time
With separately sampled and centrifugation when 300 minutes, precipitation is taken, gained precipitation is washed after 3 times in 70 DEG C of drying boxes with distillation
Middle drying, product are CdTe and bentonite composite fluorescent material.
Glow colors of the above-mentioned CdTe with bentonite composite material under ultraviolet light is followed successively by green, yellow, orange
With red as shown in figure 1, maximum emission wavelength to be followed successively by 560,580,600 and 660nm as shown in Figure 2.
Claims (2)
1. a kind of cadmium telluride and the preparation method of bentonite composite fluorescent material, is characterized in that, in bentonitic nano pore
The composite generated by CdTe is introduced, operating procedure is as follows：
(1) weigh 2.0g bentonites to be placed in equipped with the CdCl that concentration is 0.02mol/L, volume is 100mL2The there-necked flask of solution
In and be stirred vigorously, mixing time is 12 hours, allows Cd2+Ion is fully adsorbed in bentonite duct, obtains having adsorbed Cd2 +The medicinal bentonite suspension of ion；
(2) under upper step stirring, the HSCH that volume is 300 μ L is added in suspension2CH2COOH, will with NaOH solution
Its pH value is adjusted to 11, then sequentially adds the NaBH that quality is 0.1g4With the TeCl that quality is 0.0269g4；
(3) upper step there-necked flask is placed in magnetic agitation heater and is heated to reflux.It is 30,80,150 and in return time
Separately sampled and centrifugation when 300 minutes, takes precipitation, gained precipitation with after distillation washing 3 times in 70 DEG C of drying boxes
Dry, product is cadmium telluride and bentonite composite fluorescent material.
2. cadmium telluride according to claim 1 and the preparation method of bentonite composite fluorescent material, is characterized in that step (3)
Glow colors of the CdTe with bentonite composite material under ultraviolet light is followed successively by green, yellow, orange and red, most
Big fluorescence emission wavelengths are followed successively by 560,580,600 and 660nm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610920847.0A CN106497567A (en) | 2016-10-21 | 2016-10-21 | A kind of cadmium telluride and the preparation method of bentonite composite fluorescent material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610920847.0A CN106497567A (en) | 2016-10-21 | 2016-10-21 | A kind of cadmium telluride and the preparation method of bentonite composite fluorescent material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106497567A true CN106497567A (en) | 2017-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610920847.0A Pending CN106497567A (en) | 2016-10-21 | 2016-10-21 | A kind of cadmium telluride and the preparation method of bentonite composite fluorescent material |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108841195A (en) * | 2018-06-11 | 2018-11-20 | 全椒祥瑞塑胶有限公司 | A kind of fluorescent material applied in luminescent plastic |
| CN115403952A (en) * | 2022-10-28 | 2022-11-29 | 广东腐蚀科学与技术创新研究院 | Modified fluorescent montmorillonite nano composite filler, preparation method thereof and UV (ultraviolet) moisture dual-curing coating |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101492155A (en) * | 2009-03-09 | 2009-07-29 | 杭州电子科技大学 | Method of manufacturing stibium doped bismuth telluride nano-wire |
| WO2014124137A1 (en) * | 2013-02-06 | 2014-08-14 | University Of Florida Research Foundation, Inc. | Process for making precision nanoparticles by hydrothermal flow manufacturing |
| CN104254928A (en) * | 2012-01-26 | 2014-12-31 | 丰田自动车株式会社 | Thermoelectric semiconductor |
-
2016
- 2016-10-21 CN CN201610920847.0A patent/CN106497567A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101492155A (en) * | 2009-03-09 | 2009-07-29 | 杭州电子科技大学 | Method of manufacturing stibium doped bismuth telluride nano-wire |
| CN104254928A (en) * | 2012-01-26 | 2014-12-31 | 丰田自动车株式会社 | Thermoelectric semiconductor |
| WO2014124137A1 (en) * | 2013-02-06 | 2014-08-14 | University Of Florida Research Foundation, Inc. | Process for making precision nanoparticles by hydrothermal flow manufacturing |
Non-Patent Citations (1)
| Title |
|---|
| 赵慧凯 等: "CdTe 量子点/膨润土复合材料的制备及其光催化降解甲基橙", 《发光学报》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108841195A (en) * | 2018-06-11 | 2018-11-20 | 全椒祥瑞塑胶有限公司 | A kind of fluorescent material applied in luminescent plastic |
| CN115403952A (en) * | 2022-10-28 | 2022-11-29 | 广东腐蚀科学与技术创新研究院 | Modified fluorescent montmorillonite nano composite filler, preparation method thereof and UV (ultraviolet) moisture dual-curing coating |
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Application publication date: 20170315 |
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