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Title: Large nonlinear absorption in coated Ag2S/CdS nanoparticles by inverse microemulsion
Authors: Han, M.Y. 
Huang, W. 
Chew, C.H. 
Gan, L.M. 
Zhang, X.J.
Ji, W. 
Issue Date: 12-Mar-1998
Citation: Han, M.Y.,Huang, W.,Chew, C.H.,Gan, L.M.,Zhang, X.J.,Ji, W. (1998-03-12). Large nonlinear absorption in coated Ag2S/CdS nanoparticles by inverse microemulsion. Journal of Physical Chemistry B 102 (11) : 1884-1887. ScholarBank@NUS Repository.
Abstract: A modified inverse microemulsion technique was used to synthesize coated Ag2S/CdS nanocomposites of ∼10 nm in diameter. Their nonlinear absorption was observed with picosecond and nanosecond laser radiation of 532-nm wavelength. The nonlinear absorption in the Ag2S/CdS nanocomposites was enhanced, in comparison with the CdS nanoparticles, due to free-carrier absorption. In addition, the relaxation times of photoexcited free carriers in the Ag2S/CdS nanocomposites were also determined to be a few nanoseconds.
Source Title: Journal of Physical Chemistry B
ISSN: 10895647
Appears in Collections:Staff Publications

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