Photostability of luminescent water-soluble cadmium selenide nanocrystals with chemical surface modification
Autor: | M. V. Artem’ev, A. A. Lyutich, Sergey V. Gaponenko, L. I. Gurinovich |
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Rok vydání: | 2006 |
Předmět: | |
Zdroj: | Journal of Applied Spectroscopy. 73:572-575 |
ISSN: | 1573-8647 0021-9037 |
DOI: | 10.1007/s10812-006-0120-2 |
Popis: | We have developed a method for solubilization of hydrophobic CdSe/ZnS nanocrystals of the core/shell type, obtained by high-temperature synthesis in coordinating organic solvents. The method is based on chemical modification of the surface of the nanocrystals with hydrophilic organic mercapto compounds. We have observed that long-chain mercaptoundecanoic acid molecules effectively protect the surface of CdSe/ZnS nanocrystals in water, increasing (compared with short-chain molecules) the photostability of the nanocrystals. |
Databáze: | OpenAIRE |
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