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Proceedings Paper

Controlled synthesis of cadmium-free CuInS2/ZnS quantum dots
Author(s): Xiao-bo Wang; Juan Chen; Jing Liu; Jian-wei Liu; Hong Ding; Ken-Tye Yong; Ling Ye; Shu-li He
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Paper Abstract

This paper reports a hot colloidal synthesis method toward the synthesis of CuInS2/ZnS hybrid nanoparticles. First, CuInS2 quantum dots (QDs) were synthesized in the noncoordinating solvent octadecene using copper nitrate, indium acetate, myristic acid, oleylamine and dodecanethiol. CuInS2 QDs with diameter of 2~10 nm were obtained by tuning the reaction temperature and time. Secondly, CuInS2/ZnS core/shell QDs with different thickness of ZnS shell were synthesized by seed-mediated growth method, which can prevent the CuInS2 QDs oxidized and improve their photo luminance. Low-toxic cadmium-free CuInS2/ZnS QDs with high PL efficiency are expected to be used for bio-label.

Paper Details

Date Published: 12 August 2011
PDF: 7 pages
Proc. SPIE 8195, International Symposium on Photoelectronic Detection and Imaging 2011: Terahertz Wave Technologies and Applications, 81951O (12 August 2011); doi: 10.1117/12.901087
Show Author Affiliations
Xiao-bo Wang, Capital Normal Univ. (China)
Juan Chen, Capital Normal Univ. (China)
Jing Liu, Chinese PLA General Hospital (China)
Jian-wei Liu, Chinese PLA General Hospital (China)
Hong Ding, Univ. at Buffalo, SUNY (United States)
Ken-Tye Yong, Nanyang Technological Univ. (Singapore)
Ling Ye, Chinese PLA General Hospital (China)
Shu-li He, Capital Normal Univ. (China)


Published in SPIE Proceedings Vol. 8195:
International Symposium on Photoelectronic Detection and Imaging 2011: Terahertz Wave Technologies and Applications
X.-C. Zhang; Jianquan Yao; Cunlin Zhang; Zhenzhan Wang, Editor(s)

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