Large nonlinear absorption in coated Ag2S/CdS nanoparticles by inverse microemulsion

M. Y. Han, W. Huang, C. H. Chew, L. M. Gan, X. J. Zhang, W. Ji

科研成果: 期刊稿件文章同行评审

161 引用 (Scopus)

摘要

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.

源语言英语
页(从-至)1884-1887
页数4
期刊Journal of Physical Chemistry B
102
11
DOI
出版状态已出版 - 12 3月 1998
已对外发布

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