Substrate effect on the structure and properties of electrodeposited CdSe and Cd(Se,Te) coatings

被引:19
作者
Bouroushian, M
Kollia, C
Loizos, Z
Spyrellis, N
Maurin, G
机构
[1] NATL TECH UNIV ATHENS,LAB GEN CHEM,ATHENS 15780,GREECE
[2] CNRS,UPR 15,F-75252 PARIS 05,FRANCE
关键词
D O I
10.1016/0169-4332(96)00032-3
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
CdSe, mainly, and Cd(Se, Te) alloy layers were cathodically electroplated onto titanium, nickel and (100) oriented nickel substrates from an acid sulphate solution at 85 degrees C. The growth of the deposits, on Ti and Ni, was partly controlled by altering the mode of the nucleation first step. This procedure, though inhibiting the establishment of a strong crystal orientation, seems to positively affect the photoconversion efficiency of the CdSe films on Ni. Crystallized deposits with defined stoichiometry are obtained on (100) oriented Ni cathodes along a narrower, than the typical case. range of electrolysis potentials. The polycrystalline films are always cubic and the measured photoconversion efficiencies reach 2.6%.
引用
收藏
页码:112 / 119
页数:8
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