CN104998662A - Solid phase preparation method for bismuth sulfide-zinc sulfide heterojunction nano material - Google Patents
Solid phase preparation method for bismuth sulfide-zinc sulfide heterojunction nano material Download PDFInfo
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- CN104998662A CN104998662A CN201510396024.8A CN201510396024A CN104998662A CN 104998662 A CN104998662 A CN 104998662A CN 201510396024 A CN201510396024 A CN 201510396024A CN 104998662 A CN104998662 A CN 104998662A
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Abstract
The invention relates to a solid phase preparation method for a bismuth sulfide-zinc sulfide heterojunction nano material and belongs to the field of preparation of nano materials. According to the method, metal zinc salt, bismuth nitrate and thioacetamide are mixed and ground at the room temperature to react, so that low thermal solid-phase synthesis of the bismuth sulfide-zinc sulfide heterojunction nano material is realized. The low thermal solid-phase chemical method for the bismuth sulfide-zinc sulfide heterojunction nano material provided by the invention has the characteristics of being simple to operate, free of solvent, high in yield, low in cost, simple in synthetic process and the like. The bismuth sulfide-zinc sulfide heterojunction nano materialprovided by the invention has a large specific surface area and high reaction activity and has a potential application prospect in the field of photoelectric devices, photocatalysis and the like.
Description
Technical field
The present invention relates to the method for preparing solid phase of a kind of bismuth sulfide-zinc sulfide heterojunction nano material, belong to field of nano material preparation.
Background technology
In recent years, the physicochemical characteristics of uniqueness that has due to itself of nano material and receive the extensive concern of researcher.Zinc sulphide, 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, photocatalysis.Particularly in recent years, along with becoming increasingly conspicuous and the develop rapidly of nano fabrication technique of global environment and energy problem, the photocatalysis oxidation technique of attaching most importance to nano-zinc sulfide photochemical catalyst becomes one of the study hotspot in the fields such as environmental science, material science and catalytic science gradually.But the quick compound in light induced electron and hole causes photocatalytic activity significantly to decline in photocatalytic process.Research finds, utilize heterojunction structure can improve its photocatalytic activity to a certain extent, building heterojunction structure with other semi-conducting material is common sulfide hetero-junctions thinking.Bismuth sulfide and zinc sulphide compound, owing to having excellent electron transport property and unique band structure, effectively can be stoped the compound in light induced electron and hole for this reason, thus improve its photocatalytic activity by bismuth sulfide.
At present, the method preparing bismuth sulfide-zinc sulfide heterojunction nano material is more, as hydro-thermal method, vapour deposition process etc., but these methods relate to experiment condition harshness, the high deficiency of energy consumption, thus need exploitation a kind of simple, high yield, eco-friendly synthetic method.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 the preparation method of a kind of bismuth sulfide-zinc sulfide heterojunction nano material, is be that sulphur source adopts rare earth chemical reaction to prepare bismuth sulfide-zinc sulfide heterojunction nano material with thioacetamide.Nano material prepared by the method prevents the compound in light induced electron and hole effectively, improves its photocatalytic activity, and achieves the compound of bismuth sulfide and zinc sulphide.
The invention discloses the method for preparing solid phase of a kind of bismuth sulfide-zinc sulfide heterojunction nano material.The present invention be using metal zinc salt, bismuth nitrate and thioacetamide as reactant, at room temperature to be reacted by grinding, and then obtained bismuth sulfide-zinc sulfide heterojunction nano material.
The present invention take thioacetamide as the method that sulphur source solid phase prepares bismuth sulfide-zinc sulfide heterojunction nano material, simple to operate, do not use solvent, high yield, cost low, and the preparation for zinc sulfide-based composite provides a kind of new thinking.
Accompanying drawing explanation
Fig. 1 is the transmission electron microscope picture of prepared bismuth sulfide-zinc sulfide heterojunction nano material.
Detailed description of the invention
The solid-state chemical reaction method of bismuth sulfide-zinc sulfide heterojunction nano material, carries out according to the following steps:
Detailed description of the invention 1: the zinc acetate accurately taking 0.0095 mole is placed in agate mortar, 0.02 mole of thioacetamide is added by after its abundant porphyrize, grind after within 60 minutes, mixing and add 0.0005 molar nitric acid bismuth, then it is fully ground 60 minutes and places 3 hours to guarantee that solid phase reaction is complete.With deionized water and absolute ethyl alcohol washed, suction filtration, in drying box, namely 60 degree dry obtain bismuth sulfide-zinc sulfide heterojunction nano material for 2 hours.
Detailed description of the invention 2: the zinc chloride accurately taking 0.0095 mole is placed in agate mortar, 0.02 mole of thioacetamide is added by after its abundant porphyrize, grind after within 60 minutes, mixing and add 0.0005 molar nitric acid bismuth, then it is fully ground 60 minutes and places 3 hours to guarantee that solid phase reaction is complete.With deionized water and absolute ethyl alcohol washed, suction filtration, in drying box, namely 60 degree dry obtain bismuth sulfide-zinc sulfide heterojunction nano material for 2 hours.
Detailed description of the invention 3: the zinc sulfate accurately taking 0.0095 mole is placed in agate mortar, 0.02 mole of thioacetamide is added by after its abundant porphyrize, grind after within 60 minutes, mixing and add 0.0005 molar nitric acid bismuth, then it is fully ground 60 minutes and places 3 hours to guarantee that solid phase reaction is complete.With deionized water and absolute ethyl alcohol washed, suction filtration, in drying box, namely 60 degree dry obtain bismuth sulfide-zinc sulfide heterojunction nano material for 2 hours.
Detailed description of the invention 4: the zinc nitrate accurately taking 0.0095 mole is placed in agate mortar, 0.02 mole of thioacetamide is added by after its abundant porphyrize, grind after within 60 minutes, mixing and add 0.0005 molar nitric acid bismuth, then it is fully ground 60 minutes and places 3 hours to guarantee that solid phase reaction is complete.With deionized water and absolute ethyl alcohol washed, suction filtration, in drying box, namely 60 degree dry obtain bismuth sulfide-zinc sulfide heterojunction nano material for 2 hours.
Claims (1)
1. the method for preparing solid phase of bismuth sulfide-zinc sulfide heterojunction nano material, it is characterized in that under the existence of appropriate metal zinc salt, by bismuth nitrate and thioacetamide with the mixed in molar ratio of 1:2, fully obtained bismuth sulfide-zinc sulfide heterojunction nano material after reaction.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510396024.8A CN104998662A (en) | 2015-07-08 | 2015-07-08 | Solid phase preparation method for bismuth sulfide-zinc sulfide heterojunction nano material |
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| CN201510396024.8A CN104998662A (en) | 2015-07-08 | 2015-07-08 | Solid phase preparation method for bismuth sulfide-zinc sulfide heterojunction nano material |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10105687B1 (en) | 2017-08-24 | 2018-10-23 | Imam Abdulrahman Bin Faisal University | Heterostructured Bi2S3—ZnS photocatalysts and methods thereof |
| CN109261197A (en) * | 2018-10-18 | 2019-01-25 | 新乡学院 | A kind of ammonia nitrogen waste water processing coal ash molecular sieve/ZnO/Bi2S3Preparation method |
| CN110556446A (en) * | 2019-07-23 | 2019-12-10 | 浙江大学 | Heterojunction thin-film solar cell and preparation method thereof |
| CN113121124A (en) * | 2021-03-29 | 2021-07-16 | 桂林理工大学 | Preparation method of cerium-doped bismuth sulfide/ferric oxide nano heterojunction |
| CN115626658A (en) * | 2022-10-28 | 2023-01-20 | 山东海化集团有限公司 | Preparation method of bismuth sulfide-zinc sulfide heterostructure bimetallic sulfide and potassium ion battery negative electrode material prepared from bismuth sulfide-zinc sulfide heterostructure bimetallic sulfide |
-
2015
- 2015-07-08 CN CN201510396024.8A patent/CN104998662A/en active Pending
Non-Patent Citations (2)
| Title |
|---|
| JUN ZHANG, ET AL.: "A simple cation exchange approach to Bi-doped ZnS hollow spheres with enhanced UV and visible-light photocatalytic H2-production activity", 《JOURNAL OF MATERIALS CHEMISTRY》 * |
| L.P. WANG, ET AL.: "A new preparation of zinc sulfide nanoparticles by solid-state method at low temperature", 《MATERIALS RESEARCH BULLETIN》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10105687B1 (en) | 2017-08-24 | 2018-10-23 | Imam Abdulrahman Bin Faisal University | Heterostructured Bi2S3—ZnS photocatalysts and methods thereof |
| CN109261197A (en) * | 2018-10-18 | 2019-01-25 | 新乡学院 | A kind of ammonia nitrogen waste water processing coal ash molecular sieve/ZnO/Bi2S3Preparation method |
| CN110556446A (en) * | 2019-07-23 | 2019-12-10 | 浙江大学 | Heterojunction thin-film solar cell and preparation method thereof |
| CN110556446B (en) * | 2019-07-23 | 2020-12-08 | 浙江大学 | Heterojunction thin-film solar cell and preparation method thereof |
| CN113121124A (en) * | 2021-03-29 | 2021-07-16 | 桂林理工大学 | Preparation method of cerium-doped bismuth sulfide/ferric oxide nano heterojunction |
| CN115626658A (en) * | 2022-10-28 | 2023-01-20 | 山东海化集团有限公司 | Preparation method of bismuth sulfide-zinc sulfide heterostructure bimetallic sulfide and potassium ion battery negative electrode material prepared from bismuth sulfide-zinc sulfide heterostructure bimetallic sulfide |
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Application publication date: 20151028 |
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