RU2013127477A - METHOD FOR PRODUCING SEMICONDUCTOR COLLOIDAL QUANTUM DOTS OF CADMIUM SULPHIDE - Google Patents
METHOD FOR PRODUCING SEMICONDUCTOR COLLOIDAL QUANTUM DOTS OF CADMIUM SULPHIDE Download PDFInfo
- Publication number
- RU2013127477A RU2013127477A RU2013127477/05A RU2013127477A RU2013127477A RU 2013127477 A RU2013127477 A RU 2013127477A RU 2013127477/05 A RU2013127477/05 A RU 2013127477/05A RU 2013127477 A RU2013127477 A RU 2013127477A RU 2013127477 A RU2013127477 A RU 2013127477A
- Authority
- RU
- Russia
- Prior art keywords
- solution
- polymer
- temperature
- sodium sulfide
- solutions
- Prior art date
Links
Landscapes
- Processes Of Treating Macromolecular Substances (AREA)
- Colloid Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Luminescent Compositions (AREA)
Abstract
1. Способ получения полупроводниковых коллоидных квантовых точек сульфида кадмия, включающий двуструйное сливание в раствор полимера растворов сульфида натрия и бромида кадмия, нагревание и перемешивание с полимером, отличающийся тем, что в качестве раствора реагента используется 0,6-5% раствор сульфида натрия и 0,8-7% раствор бромида кадмия в дистиллированной воде температурой от 7°C до 13°C; 2,5-5% раствор полимера в дистиллированной воде при температуре 20-30°C загружается в реактор однократно до сливания растворов сульфида натрия и бромида кадмия, причем объем растворов - сульфида натрия:бромида кадмия:полимера 1:1:4, раствор полимера нагревается до 40-90°C, в реактор заливается 96%-ный этанол 2,5% от объема раствора полимера; после чего производят двуструйное сливание растворов сульфида натрия и бромида кадмия в реактор при постоянном перемешивании со скоростью 100-600 об/мин, по окончании сливания осуществляют перемешивание на протяжении 1-300 мин, проводится охлаждение раствора до температуры от 4°C до 10°C и раствор выдерживается при данной температуре на протяжении суток, после чего замерзший раствор измельчают до размера гранул 5-10 мм, промывка проводится погружением в дистиллированную воду при температуре от 7°C до 13°C на 30 мин, после чего сцеживается лишняя вода, и гранулы нагреваются до температуры свыше 40°С.2. Способ по п.1, отличающийся тем, что в качестве полимера используются желатин, полиэтиленимин, поливиниловый спирт.1. A method of obtaining semiconductor colloidal quantum dots of cadmium sulfide, including two-jet pouring into a polymer solution of sodium sulfide and cadmium bromide solutions, heating and mixing with a polymer, characterized in that a 0.6-5% sodium sulfide solution and 0 are used as a reagent solution , 8-7% solution of cadmium bromide in distilled water with a temperature of from 7 ° C to 13 ° C; A 2.5-5% polymer solution in distilled water at a temperature of 20-30 ° C is loaded into the reactor once before the solutions of sodium sulfide and cadmium bromide are drained, the volume of the solutions being sodium sulfide: cadmium bromide: polymer 1: 1: 4, polymer solution heated to 40-90 ° C, 96% ethanol 2.5% of the polymer solution volume was poured into the reactor; after which two-jet solutions of sodium sulfide and cadmium bromide are poured into the reactor with constant stirring at a speed of 100-600 rpm, at the end of the pouring, they are mixed for 1-300 minutes, the solution is cooled to a temperature of 4 ° C to 10 ° C and the solution is maintained at this temperature throughout the day, after which the frozen solution is crushed to a granule size of 5-10 mm, washing is carried out by immersion in distilled water at a temperature of 7 ° C to 13 ° C for 30 minutes, after which excess water is decanted a, and the granules are heated to temperatures above 40 ° C. 2. The method according to claim 1, characterized in that the polymer used is gelatin, polyethyleneimine, polyvinyl alcohol.
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2013127477/05A RU2540385C2 (en) | 2013-06-17 | 2013-06-17 | Method of obtaining semiconductor colloid quantum points of cadmium sulphide |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2013127477/05A RU2540385C2 (en) | 2013-06-17 | 2013-06-17 | Method of obtaining semiconductor colloid quantum points of cadmium sulphide |
Publications (2)
Publication Number | Publication Date |
---|---|
RU2013127477A true RU2013127477A (en) | 2014-12-27 |
RU2540385C2 RU2540385C2 (en) | 2015-02-10 |
Family
ID=53278313
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RU2013127477/05A RU2540385C2 (en) | 2013-06-17 | 2013-06-17 | Method of obtaining semiconductor colloid quantum points of cadmium sulphide |
Country Status (1)
Country | Link |
---|---|
RU (1) | RU2540385C2 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2607579C2 (en) * | 2014-10-10 | 2017-01-10 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Воронежский государственный университет" (ФГБОУ ВПО "ВГУ") | Biocompatible nanomaterial for photosensitivity singlet oxygen and method for production thereof |
RU2695130C1 (en) * | 2018-08-20 | 2019-07-22 | федеральное государственное бюджетное образовательное учреждение высшего образования "Алтайский государственный университет" | Method of producing colloidal quantum dots of cadmium selenide in a chitosan shell |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2381304C1 (en) * | 2008-08-21 | 2010-02-10 | Федеральное государственное унитарное предприятие "Научно-исследовательский институт прикладной акустики" | Method for synthesis of semiconductor quantum dots |
RU2456230C2 (en) * | 2009-12-02 | 2012-07-20 | Государственное образовательное учреждение высшего профессионального образования "Воронежский государственный технический университет" | Method to produce epitaxial filiform nanocrystals of semiconductors of permanent diameter |
CN101759946A (en) * | 2010-01-29 | 2010-06-30 | 浙江大学 | High-performance quantum dot-polymer fluorescent nano composite material and preparation method thereof |
RU2459316C2 (en) * | 2010-09-24 | 2012-08-20 | Учреждение Российской академии наук Институт неорганической химии им. А.В. Николаева Сибирского отделения РАН (ИНХ СО РАН) | Method of growing cadmium sulphide nanoparticles on carbon nanotubes and method of making light source |
-
2013
- 2013-06-17 RU RU2013127477/05A patent/RU2540385C2/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
RU2540385C2 (en) | 2015-02-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
RU2013127476A (en) | METHOD FOR PRODUCING SILVER SILF SULFIDE SEMICONDUCTOR QUANTUM DOTS | |
RU2013127477A (en) | METHOD FOR PRODUCING SEMICONDUCTOR COLLOIDAL QUANTUM DOTS OF CADMIUM SULPHIDE | |
AR075826A1 (en) | A METHOD TO REDUCE THE DEGRADATION SPEED OF A BIOLOGICAL MATERIAL | |
EA201891362A1 (en) | ACCELERATOR FOR HYDRAULIC COMPOSITION | |
CN204602092U (en) | Diluting boar semen liquid processing device | |
RU2015138934A (en) | COMPOSITION FOR REGULATING HUMIDITY OF THE ENVIRONMENT, METHOD OF ITS MANUFACTURE AND ITS USE FOR REGULATING HUMIDITY OF THE ENVIRONMENT | |
Mingjiang et al. | Management and regulation pattern of water resource in inland arid regions | |
俞小鼎 | A note on the melting level of hail | |
FR3008709B1 (en) | MIXED SEMI-CLATHRATE HYDRATE, PROCESS FOR PREPARING THE SAME, AND THERMAL ENERGY STORAGE DEVICE | |
RU2011112692A (en) | METHOD FOR PRODUCING A BIOLOGICALLY ACTIVE HUMIC PRODUCT | |
RU2011121380A (en) | METHOD FOR PRODUCING MASS FOR A MOLDING WITH BIOCIDE PROPERTIES | |
RU2014141085A (en) | BIO COMPATIBLE NANOMATERIAL FOR PHOTOSENSIBILIZATION OF SINGLET OXYGEN AND METHOD FOR ITS PRODUCTION | |
RU2012120149A (en) | METHOD FOR WASTE WATER SEDIMENTS PROCESSING | |
Zhelevа et al. | Research of processes of swelling of food hydrocolloids for production of the frozen meat chopped products | |
RU2015109812A (en) | COMPOSITION FOR MANUFACTURE OF CRAFTED MODELS | |
RU2013116439A (en) | METHOD FOR SYNTHESIS OF MONOCRYSTALLINE TETRAGONAL IRON TELLURIDES AND IRON TELLURIDES DOPED WITH SULFUR AND / OR SELENIUM | |
RU2013152001A (en) | METHOD FOR INCREASING HEAT CAPACITY AND HEAT-ACCUMULATING ABILITY OF CONCRETE AND BUILDING SOLUTIONS | |
RU2012131259A (en) | METHOD FOR PRODUCING GRANULATED HEAT-INSULATING MATERIAL | |
Baghdasarian et al. | Efficiency of mixing by heating or cooling in thermally stratified nonlinear spin-up | |
Son et al. | Evaluation of coagulation characteristics of Fe (III) and Al (III) coagulant using on-line monitoring technique | |
RU2016119984A (en) | METHOD FOR PRODUCING ORGANIC FERTILIZER FROM PEAT | |
RU2012131260A (en) | METHOD FOR PRODUCING HEAT-INSULATING BLOCKS | |
Jentzen et al. | Distribution and Geochemical Composition of Living Planktonic Foraminifera in the Caribbean Sea | |
Shinde et al. | Observation of large nematic domains of discotic liquid crystals | |
Lee et al. | Vertical and Tidal Variability of the Floc Size Distribution in a Partially Mixed, Low Turbidity, Anthropogenically Altered Geum River Estuary, Korea |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM4A | The patent is invalid due to non-payment of fees |
Effective date: 20170618 |