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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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