RU2014115560A - METHOD FOR ISOLATING AND CLEANING QUANTUM DOTS CONCLUDED IN SILICON OXIDE Shells - Google Patents
METHOD FOR ISOLATING AND CLEANING QUANTUM DOTS CONCLUDED IN SILICON OXIDE Shells Download PDFInfo
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- RU2014115560A RU2014115560A RU2014115560/28A RU2014115560A RU2014115560A RU 2014115560 A RU2014115560 A RU 2014115560A RU 2014115560/28 A RU2014115560/28 A RU 2014115560/28A RU 2014115560 A RU2014115560 A RU 2014115560A RU 2014115560 A RU2014115560 A RU 2014115560A
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- RU
- Russia
- Prior art keywords
- quantum dots
- dilution
- cleaning
- carried out
- purification
- Prior art date
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- 239000002096 quantum dot Substances 0.000 title claims abstract 9
- 238000004140 cleaning Methods 0.000 title claims abstract 7
- 238000000034 method Methods 0.000 title claims abstract 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract 3
- 229910052814 silicon oxide Inorganic materials 0.000 title claims abstract 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract 12
- 238000005119 centrifugation Methods 0.000 claims abstract 6
- 238000010790 dilution Methods 0.000 claims abstract 6
- 239000012895 dilution Substances 0.000 claims abstract 6
- 238000000746 purification Methods 0.000 claims abstract 6
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 claims abstract 4
- 239000002244 precipitate Substances 0.000 claims abstract 4
- 239000006228 supernatant Substances 0.000 claims abstract 4
- 238000009210 therapy by ultrasound Methods 0.000 claims abstract 4
- 238000007865 diluting Methods 0.000 claims abstract 2
- 238000011037 discontinuous sequential dilution Methods 0.000 claims abstract 2
- 239000012154 double-distilled water Substances 0.000 claims abstract 2
- 238000002955 isolation Methods 0.000 claims abstract 2
- 239000004530 micro-emulsion Substances 0.000 claims abstract 2
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 claims abstract 2
- 238000000926 separation method Methods 0.000 claims abstract 2
- 238000003756 stirring Methods 0.000 claims abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract 2
Landscapes
- Cleaning Or Drying Semiconductors (AREA)
- Silicon Compounds (AREA)
Abstract
1. Способ выделения и очистки квантовых точек, заключенных в оболочки оксида кремния, включающий последовательное выделение квантовых точек, их троекратную очистку и разбавление бидистиллированной водой, причем выделение включает центрифугирование микроэмульсии с синтезированными квантовыми точками и удаление надосадочной жидкости для получения осадка, а очистка включает последовательное разбавление осадка, перемешивание, центрифугирование, удаление надосадочной жидкости, при этом в первой и второй очистке для разбавления используют спирт, отличающийся тем, что в качестве спирта используют этанол, или пропанол, или бутанол, в третьей очистке для разбавления используют этанол, а после разбавления очищенных квантовых точек бидистиллированной водой проводят ультразвуковую обработку в течение 30 мин, при этом центрифугирование во время выделения квантовых точек осуществляют при 7000-11500 об/мин и 5-15°C в течение 10-30 мин, а центрифугирование во время очистки осуществляют при 7000 об/мин и 20°C в течение 15 мин.2. Способ по п. 1, отличающийся тем, что ультразвуковую обработку проводят при температуре от 20 до 40°C.1. The method of separation and purification of quantum dots enclosed in shells of silicon oxide, including the sequential selection of quantum dots, cleaning them three times and diluting with double-distilled water, the selection includes centrifuging the microemulsion with synthesized quantum dots and removing the supernatant to obtain a precipitate, and the cleaning includes sequential dilution of the precipitate, stirring, centrifugation, removal of the supernatant, while in the first and second purification for dilution using alcohol, characterized in that ethanol or propanol or butanol is used as alcohol, ethanol is used in the third purification for dilution, and after dilution of the purified quantum dots with bidistilled water, ultrasonic treatment is carried out for 30 minutes, while centrifugation during quantum isolation points are carried out at 7000-11500 rpm and 5-15 ° C for 10-30 minutes, and centrifugation during cleaning is carried out at 7000 rpm and 20 ° C for 15 min. 2. The method according to p. 1, characterized in that the ultrasonic treatment is carried out at a temperature of from 20 to 40 ° C.
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU2014115560/28A RU2570830C2 (en) | 2014-04-17 | 2014-04-17 | Method of separating and purifying quantum dots enclosed in silicon oxide envelope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU2014115560/28A RU2570830C2 (en) | 2014-04-17 | 2014-04-17 | Method of separating and purifying quantum dots enclosed in silicon oxide envelope |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RU2014115560A true RU2014115560A (en) | 2015-10-27 |
| RU2570830C2 RU2570830C2 (en) | 2015-12-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RU2014115560/28A RU2570830C2 (en) | 2014-04-17 | 2014-04-17 | Method of separating and purifying quantum dots enclosed in silicon oxide envelope |
Country Status (1)
| Country | Link |
|---|---|
| RU (1) | RU2570830C2 (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7745001B2 (en) * | 2004-03-23 | 2010-06-29 | University Of New Orleans Research And Technology Foundation, Inc. | Synthesis of nanoassemblies containing luminescent quantum dots and magnetic nanoparticles |
| WO2009140266A2 (en) * | 2008-05-14 | 2009-11-19 | Cornell University | Polymeric materials incorporating core-shell silica nanoparticles |
| RU2381304C1 (en) * | 2008-08-21 | 2010-02-10 | Федеральное государственное унитарное предприятие "Научно-исследовательский институт прикладной акустики" | Method for synthesis of semiconductor quantum dots |
| RU2385834C1 (en) * | 2008-11-17 | 2010-04-10 | Георгий Леонидович Сафонов | Mobile multi-purpose crane for development of villages |
| JP5686096B2 (en) * | 2009-05-08 | 2015-03-18 | コニカミノルタ株式会社 | Quantum dot-encapsulating silica nanoparticles, method for producing the same, and biological material labeling agent using the same |
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2014
- 2014-04-17 RU RU2014115560/28A patent/RU2570830C2/en active
Also Published As
| Publication number | Publication date |
|---|---|
| RU2570830C2 (en) | 2015-12-10 |
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