Light Emission from CdS Quantum Dots Stabilized by Sugars

Autor:	Jacek J. Kozioł, Alicja Defort, I. Sergiel, Agnieszka Mironczyk
Rok vydání:	2009
Předmět:	Photoluminescence Materials science Analytical chemistry food and beverages General Physics and Astronomy Nanoparticle Maltodextrin chemistry.chemical_compound symbols.namesake chemistry Quantum dot Amylopectin symbols Light emission Spectroscopy Raman scattering
Zdroj:	Acta Physica Polonica A. 116:S-166
ISSN:	1898-794X 0587-4246
DOI:	10.12693/aphyspola.116.s-166
Popis:	CdS nanoparticles were successfully synthesized using starch, amylopectin and maltodextrin, as a capping agent. Optical properties of the final products have been investigated by photoluminescence spectroscopy and Raman scattering. The atomic force microscopy gave a particle of an average size of approximately 6 nm. Our research reveals that all prepared sugar–quantum dot aqueous solutions were stable against precipitation during the time of their investigation and kept their stability for several months after it.
Databáze:	OpenAIRE
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