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题名: New observation on the formation of PbS clusters in zeolite-Y
作者: Chen W;  Wang ZG;  Lin ZJ;  Qian JJ;  Lin LY
发表日期: 1996
摘要: PbS clusters in zeolite-Y have been prepared with the reaction of Pb2+-ion-exchanged zeolite-Y with Na2S in solution at room temperature. Their absorption spectra show dramatic blue shifts from that of the bulk PbS. Obvious change of both the absorption edges and peak positions upon PbS concentrations have been observed. These phenomena provide evidences that PbS clusters have been formed within the zeolite. The absorption spectra show featureless structure and have no tails near the absorption edges. As the PbS loading density becomes higher, the absorption bands become stronger and sharpen. Order PbS clusters lattice with high quality might be formed in the supercages of zeolite-Y. (C) 1996 American Institute of Physics.
KOS主题词: Optical properties;  Charge exchange;  Photoluminescence;  Photoionization;  Colloids;  Sulfides;  metal
刊名: APPLIED PHYSICS LETTERS
专题: 中国科学院半导体研究所(2009年前)_期刊论文

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推荐引用方式:
Chen W; Wang ZG; Lin ZJ; Qian JJ; Lin LY .New observation on the formation of PbS clusters in zeolite-Y ,APPLIED PHYSICS LETTERS ,1996,68(14):1990-1992
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