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Proceedings Paper

Synthesis and characterization of SiO2 capped ZnCdS nanocrystals
Author(s): GuoWei Yang; DongMei Li; XueFeng Zhu; Zhen Xu; YinQiang Wang
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Paper Abstract

ZnCdS/SiO2 nanocrystals with core-shell structure were fabricated by Micro-emulsions method via the hydrolysis of tetraethyl orthosilicate (TEOS). Using XRD and TEM, the size of capped nanocrystals was around 22nm with the uncaped round 12nm. Emitting peaks in PL spectra of ZnCdS shifted from 390nm to 540nm by adjusting the proportion of Zn/Cd. The water solubility and optical property are both obviously enhanced after the capsulation of SiO2.

Paper Details

Date Published: 11 March 2008
PDF: 4 pages
Proc. SPIE 6984, Sixth International Conference on Thin Film Physics and Applications, 698409 (11 March 2008); doi: 10.1117/12.792185
Show Author Affiliations
GuoWei Yang, Shanghai Univ. (China)
DongMei Li, Shanghai Univ. (China)
XueFeng Zhu, Shanghai Univ. (China)
Zhen Xu, Shanghai Univ. (China)
YinQiang Wang, Shanghai Univ. (China)

Published in SPIE Proceedings Vol. 6984:
Sixth International Conference on Thin Film Physics and Applications
Wenzhong Shen; Junhao Chu, Editor(s)

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