ELECTROCHEMICAL STUDIES OF LEAD TELLURIDE BEHAVIOR IN ACIDIC NITRATE SOLUTIONS

被引：4
作者：
Rudnik, E. [1 ]
Biskup, P. [2 ]
机构：
[1] AGH Univ Sci & Technol, Fac Nonferrous Met, Dept Phys Chem & Met Nonferrous Met, PL-30059 Krakow, Poland
[2] Royal Grp, Abu Dhabi, U Arab Emirates
来源：
ARCHIVES OF METALLURGY AND MATERIALS | 2015年 / 60卷 / 01期
关键词：
lead telluride; cyclic voltammetry; pH; nitric acid; THIN-FILMS; PBTE; ELECTRODEPOSITION; CHALCOGENIDES; AUTE2;
D O I：
10.1515/amm-2015-0015
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
Electrochemistry of lead telluride stationary electrode was studied in nitric acid solutions of pH 1.5-3.0. E-pH diagram for Pb-Te-H2O system was calculated. Results of cyclic voltammetry of Pb, Te and PbTe were discussed in correlation with thermodynamic predictions. Anodic dissolution of PbTe electrode at potential approx. -100 divided by 50 mV (SCE) resulted in tellurium formation, while above 300 mV TeO2 was mainly produced. The latter could dissolve to HTeO2+ under acidic electrolyte, but it was inhibited by increased pH of the bath.
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页码：95 / 100
页数：6
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