CN104925852A - Method for preparing cadmium sulphide-silver sulphide heterostructured nanomaterial by solid phase - Google Patents
Method for preparing cadmium sulphide-silver sulphide heterostructured nanomaterial by solid phase Download PDFInfo
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Abstract
The invention relates to a method for preparing cadmium sulphide-silver sulphide heterostructured nanomaterial by the solid phase, which belongs to the field of nanomaterial preparation. In the method, cadmium salt, silver salt and thioacetamide react under the condition of room temperature, and thereby the low-temperature solid-phase synthesis of the cadmium sulphide-silver sulphide heterostructured nanomaterial is realized. The low-temperature solid-phase chemical method for preparing the cadmium sulphide-silver sulphide heterostructured nanomaterial has the characteristics of simplicity in operation, no solvent, high yield, low cost, simple synthesis process and the like; moreover, the cadmium sulphide-silver sulphide heterostructured nanomaterial prepared by the method has large specific surface area and high reactivity, and has a broad application prospect in fields such as solar cells and photocatalysis.
Description
Technical field
The present invention relates to a kind of method that solid phase prepares Cadmium Sulfide-silver sulfide heterojunction nanometer material, belong to field of nano material preparation.
Background technology
In recent years, the physics-chem characteristic of uniqueness that has due to itself of nano material and receive the extensive concern of researcher.Cadmium Sulfide, as a kind of very important semiconductor nano material, because it has the character such as special optical, electrical, thermal and magnetic, and shows huge application prospect in fields such as light emitting semiconductor device, nonlinear optical material, photochemical catalysis.But very easily there is light corruption candle phenomenon in cadmium sulfide nano material, and then has influence on its performance and practical application.Research finds, utilize heterojunction structure can improve its light corruption candle phenomenon to a certain extent, so utilize the visible light-responded feature of Cadmium Sulfide, it is common sulfide heterojunction thinking that the semiconductor material stable with other physical and chemical performance builds heterojunction structure.Wherein, nano level silver sulfide material is because producing larger specific surface and quantum size effect, in photoabsorption, sensing, catalysis etc., there is more extensive and important potentiality application, Cadmium Sulfide and silver sulfide compound can be improved effectively the rotten phenomenon of lighting up of its light for this reason.
At present, the method preparing Cadmium Sulfide-silver sulfide heterojunction nanometer material comprises hydrothermal method and microwave method etc., but these methods relate to experiment condition harshness, the high deficiency of energy consumption, thus exploitation is a kind of simply, high yield, eco-friendly synthetic method are still very urgent.Rare earth chemical method have simple to operate, cost is low, output is high and advantages of environment protection, has become a kind of effective ways of nano materials.
Summary of the invention
The object of the present invention is to provide a kind of solid phase to prepare the method for Cadmium Sulfide-silver sulfide heterojunction nanometer material, is be that sulphur source adopts rare earth chemical reaction to prepare Cadmium Sulfide-silver sulfide heterojunction nanometer material with thioacetamide.Nano material prepared by the method effectively improves the light corruption candle phenomenon of Cadmium Sulfide, and achieves the compound of Cadmium Sulfide and silver sulfide.
The invention discloses a kind of method that solid phase prepares Cadmium Sulfide-silver sulfide heterojunction nanometer material.Method of the present invention grinds with metal cadmium salt, metal silver salt the rare earth chemical preparation reacting and then realize Cadmium Sulfide-silver sulfide heterojunction nanometer material together with thioacetamide.
The present invention take thioacetamide as the method that sulphur source solid phase prepares Cadmium Sulfide-silver sulfide heterojunction nanometer material, simple to operate, do not use solvent, high yield, cost low, and the preparation for Cadmium Sulfide based composites provides a kind of new thinking.
Accompanying drawing explanation
Fig. 1 is the transmission electron microscope picture that solid phase prepares Cadmium Sulfide-silver sulfide heterojunction nanometer material.
Embodiment
Solid phase prepares the method for Cadmium Sulfide-silver sulfide heterojunction nanometer material, carries out according to the following steps:
Embodiment 1: the cadmium acetate accurately taking 0.0099 mole is placed in agate mortar, the thioacetamide of 0.01 mole will be added after its abundant porphyrize, grind after within 60 minutes, mixing and add 0.0002 molar acetate silver, then it is fully ground 60 minutes and places 3 hours to guarantee that solid state reaction is complete.With deionized water and dehydrated alcohol washed, suction filtration, in loft drier, namely 60 degree dry obtain Cadmium Sulfide-silver sulfide heterojunction nanometer material for 2 hours.
Embodiment 2: the Cadmium chloride fine powder accurately taking 0.0099 mole is placed in agate mortar, the thioacetamide of 0.01 mole will be added after its abundant porphyrize, grind after within 60 minutes, mixing and add 0.0002 molar acetate silver, then it is fully ground 60 minutes and places 3 hours to guarantee that solid state reaction is complete.With deionized water and dehydrated alcohol washed, suction filtration, in loft drier, namely 60 degree dry obtain Cadmium Sulfide-silver sulfide heterojunction nanometer material for 2 hours.
Embodiment 3: the Cadmium Sulphate accurately taking 0.0099 mole is placed in agate mortar, the thioacetamide of 0.01 mole will be added after its abundant porphyrize, grind after within 60 minutes, mixing and add 0.0002 molar acetate silver, then it is fully ground 60 minutes and places 3 hours to guarantee that solid state reaction is complete.With deionized water and dehydrated alcohol washed, suction filtration, in loft drier, namely 60 degree dry obtain Cadmium Sulfide-silver sulfide heterojunction nanometer material for 2 hours.
Embodiment 4: the cadmium nitrate accurately taking 0.0099 mole is placed in agate mortar, the thioacetamide of 0.01 mole will be added after its abundant porphyrize, grind after within 60 minutes, mixing and add 0.0002 molar acetate silver, then it is fully ground 60 minutes and places 3 hours to guarantee that solid state reaction is complete.With deionized water and dehydrated alcohol washed, suction filtration, in loft drier, namely 60 degree dry obtain Cadmium Sulfide-silver sulfide heterojunction nanometer material for 2 hours.
Claims (1)
1. a solid phase prepares the method for Cadmium Sulfide-silver sulfide heterojunction nanometer material, it is characterized in that under the existence of appropriate thioacetamide, by metal cadmium salt and metal silver salt with suitable mixed in molar ratio, fully obtained Cadmium Sulfide-silver sulfide heterojunction nanometer material after reaction.
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| CN201510269649.8A CN104925852B (en) | 2015-05-25 | 2015-05-25 | A kind of method that solid phase prepares cadmium sulfide silver sulfide heterojunction nanometer material |
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| CN201510269649.8A CN104925852B (en) | 2015-05-25 | 2015-05-25 | A kind of method that solid phase prepares cadmium sulfide silver sulfide heterojunction nanometer material |
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| CN104925852A true CN104925852A (en) | 2015-09-23 |
| CN104925852B CN104925852B (en) | 2017-03-08 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107029756A (en) * | 2017-06-01 | 2017-08-11 | 新疆大学 | A kind of method that solid phase prepares zinc sulphide silver sulfide heterojunction composite |
| CN107138735A (en) * | 2017-06-01 | 2017-09-08 | 新疆大学 | A kind of method that solid phase method prepares vulcanization zinc-silver hetero-junctions nanometer sheet |
| CN110560188A (en) * | 2019-09-19 | 2019-12-13 | 济南大学 | Synthetic Ag/Ag2Preparation method of S/CdS heterojunction multi-stage sample injection microfluidic chip |
| CN112536047A (en) * | 2019-09-20 | 2021-03-23 | 中国科学技术大学 | Chiral nano material and preparation method thereof |
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| US3591464A (en) * | 1968-09-06 | 1971-07-06 | Orion Research | Method and apparatus for detecting ionic activity |
| CN103159254A (en) * | 2013-03-18 | 2013-06-19 | 新疆大学 | Method for preparing cadmium sulphide/graphite oxide composite material in solid phase |
| CN103771487A (en) * | 2013-12-26 | 2014-05-07 | 江苏大学 | Method for synthetizing Ag2S-CdS hetero-nanostructure employing microwave |
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2015
- 2015-05-25 CN CN201510269649.8A patent/CN104925852B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US3591464A (en) * | 1968-09-06 | 1971-07-06 | Orion Research | Method and apparatus for detecting ionic activity |
| CN103159254A (en) * | 2013-03-18 | 2013-06-19 | 新疆大学 | Method for preparing cadmium sulphide/graphite oxide composite material in solid phase |
| CN103771487A (en) * | 2013-12-26 | 2014-05-07 | 江苏大学 | Method for synthetizing Ag2S-CdS hetero-nanostructure employing microwave |
Non-Patent Citations (1)
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| SATOSHI ITO ET AL.: ""Development of highly sensitive cadmium ion-selectiveelectrodes by titration method and its application to cadmium ion determination in industrial waste water"", 《TALANTA》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107029756A (en) * | 2017-06-01 | 2017-08-11 | 新疆大学 | A kind of method that solid phase prepares zinc sulphide silver sulfide heterojunction composite |
| CN107138735A (en) * | 2017-06-01 | 2017-09-08 | 新疆大学 | A kind of method that solid phase method prepares vulcanization zinc-silver hetero-junctions nanometer sheet |
| CN110560188A (en) * | 2019-09-19 | 2019-12-13 | 济南大学 | Synthetic Ag/Ag2Preparation method of S/CdS heterojunction multi-stage sample injection microfluidic chip |
| CN110560188B (en) * | 2019-09-19 | 2021-09-28 | 济南大学 | Preparation method of multi-stage sample injection micro-fluidic chip for synthesizing Ag/Ag2S/CdS heterojunction |
| CN112536047A (en) * | 2019-09-20 | 2021-03-23 | 中国科学技术大学 | Chiral nano material and preparation method thereof |
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| CN104925852B (en) | 2017-03-08 |
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