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https://scholarbank.nus.edu.sg/handle/10635/94134
| 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 | URI: | http://scholarbank.nus.edu.sg/handle/10635/94134 | ISSN: | 10895647 |
| Appears in Collections: | Staff Publications |
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