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题名: Photostimulated luminescence of AgI clusters in zeolite-Y
作者: Chen W;  Wang ZG;  Lin ZJ;  Lin LY;  Fang KM;  Xu Y;  Su MZ;  Lin JH
发表日期: 1998
摘要: AgI clusters in zeolite-Y (AgI/Y) were prepared by Ag+ exchange followed by reaction with NaI in solution. The formation of the clusters was determined by transmission electron microscopy and Auger electron spectroscopy. The clusters were uniform and even in size, 1.0-2.0 nm. The fluorescence spectrum of the clusters consists of two emission bands, which are attributed to AgI and Ag clusters, respectively. Photostimulated luminescence (PSL) is observed by stimulation at 675 or at 840 nm. The PSL spectrum of AgI/Y is consistent with the emission spectrum of Ag clusters and thus the PSL is considered to be caused by the charge transfer or carrier migration from the zeolite framework or from the AgI clusters to the Ag clusters. The appearance of PSL indicates that these materials may find application as a medium for erasable optical memory. (C) 1998 American Institute of Physics. [S0021-8979(98)02407-4].
KOS主题词: silver;  Centers
刊名: JOURNAL OF APPLIED PHYSICS
专题: 中国科学院半导体研究所(2009年前)_期刊论文

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Chen W; Wang ZG; Lin ZJ; Lin LY; Fang KM; Xu Y; Su MZ; Lin JH .Photostimulated luminescence of AgI clusters in zeolite-Y ,JOURNAL OF APPLIED PHYSICS,1998,83(7):3811-3815
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