Quantum size effect of lead iodide nanoparticles formed by a Langmuir-Blodgett technique

被引：2
|
作者：
Yamaki, T
Asai, K
Ishigure, K
Ema, K
Yaguchi, H
机构：
[1] Univ Tokyo, Dept Quantum Engn & Syst Sci, Bunkyo Ku, Tokyo 1138656, Japan
[2] Univ Tokyo, Dept Appl Phys, Bunkyo Ku, Tokyo 1138656, Japan
[3] Sophia Univ, Dept Phys, Chiyoda Ku, Tokyo 1020094, Japan
[4] Japan Sci & Technol Corp, CREST, Toshima Ku, Tokyo 1710031, Japan
来源：
MOLECULAR CRYSTALS AND LIQUID CRYSTALS SCIENCE AND TECHNOLOGY SECTION A-MOLECULAR CRYSTALS AND LIQUID CRYSTALS | 1999年 / 337卷
基金：
日本学术振兴会;
关键词：
nanoparticles; Langmuir-Blodgett (LB) method; lead iodide (PbI2); quantum size effect; photoluminescence (PL);
D O I：
10.1080/10587259908023418
中图分类号：
O7 [晶体学];
学科分类号：
0702 ; 070205 ; 0703 ; 080501 ;
摘要：
Nanoparticles of lead iodide (PbI2) were prepared by exposure of Langmuir-Blodgett (LB) films of lead arachidate to hydrogen iodide. The photoluminescence (PL) spectrum of the nanoparticles consisted of three bands: an exciton band and two low-energy bands associated with stoichiometric and structural defects. The center of the exciton band was blue-shifted due to a quantum size effect. The PL spectra drastically changed when the temperature increased.
引用
收藏
页码：225 / 228
页数：4
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