Preparation and optical properties of nanocrystalline (C6H5C2H4NH3)2PbI4-doped PMMA films

被引：19
|
作者：
Kitazawa, N [1 ]
机构：
[1] Natl Def Acad, Dept Mat Sci & Engn, Kanagawa 239, Japan
来源：
JOURNAL OF MATERIALS SCIENCE | 1998年 / 33卷 / 06期
关键词：
D O I：
10.1023/A:1004335306298
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Nanocrystalline (RNH3)2PbI(4)-doped PMMA films were successfully fabricated on glass substrates by the spin-coating technique and subsequent annealing. X-ray diffraction spectra revealed that the (RNH3)(2)PbI4 crystals dispersed as nanometre-sized crystals in the PMMA matrix. These films showed a strong exciton absorption band with narrow bandwidth, even at room temperature. The exciton absorption observed here could be attributed to the 6s to 6p transition of Pb2+. The stability of the (RNH3)(2)PbI4 crystal was improved by doping these crystals into a PMMA matrix. (C) 1998 Chapman & Hall.
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收藏
页码：1441 / 1444
页数：4
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