Please use this identifier to cite or link to this item: https://doi.org/10.1021/ja904675a
Title: CdSe/AsS core-shell quantum dots: Preparation and two-photon fluorescence
Authors: Wang, J. 
Lin, M.
Yan, Y. 
Wang, Z.
Ho, P.C. 
Kian, P.L. 
Issue Date: 19-Aug-2009
Citation: Wang, J., Lin, M., Yan, Y., Wang, Z., Ho, P.C., Kian, P.L. (2009-08-19). CdSe/AsS core-shell quantum dots: Preparation and two-photon fluorescence. Journal of the American Chemical Society 131 (32) : 11300-11301. ScholarBank@NUS Repository. https://doi.org/10.1021/ja904675a
Abstract: (Figure Presented) Arsenic(II) sulfide (AsS)-coated CdSe core-shell nanocrystals can be prepared by a cluster-complex deposition approach under mild conditions. At 60°C, growth of an AsS shell onto a CdSe nanocrystal can be realized through the crystallization of a cluster complex of AsS/butylamine in a mixed solvent of isopropanol/chloroform. The new, type I core-shell nanocrystal exhibits markedly enhanced one-photon fluorescence as well two-photon upconversion fluorescence. The nanocrystals can be used for infrared-excited upconversion cellular labeling. © 2009 American Chemical Society.
Source Title: Journal of the American Chemical Society
URI: http://scholarbank.nus.edu.sg/handle/10635/75708
ISSN: 00027863
DOI: 10.1021/ja904675a
Appears in Collections:Staff Publications

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