Investigation of the products of oxidation of lead selenide by IR spectroscopy

被引：0
|
作者：
V. V. Tomaev
I. V. Chernyshova
P. A. Tikhonov
机构：
[1] St. Petersburg State University,Department of Chemistry
[2] St. Petersburg State Polytechnical University,Grebenshchikov Institute of Silicate Chemistry
[3] Russian Academy of Sciences,undefined
来源：
Glass Physics and Chemistry | 2007年 / 33卷
关键词：
Selenite; PbSe; Glass Physic; Glass Phys; Lead Selenide;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The optical properties of lead selenide powders are investigated by Fourier-transform IR spectroscopy at room temperature, as well as at temperatures of 500 and 550°C. The diffuse reflection spectra of the initial and heated powders of the PbSe compound are measured. It is revealed for the first time that the surface of the initial and heated samples of the PbSe compound contains a layer of amorphous biselenite Pb(HSeO3)2 · n H2O. This makes it possible to explain the previously observed local minimum at temperatures close to 100°C in the temperature dependence of the electrical resistivity of the powders.
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页码：646 / 651
页数：5
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