THE ANODIC-DISSOLUTION OF INP STUDIED BY THE OPTOELECTRICAL IMPEDANCE METHOD .1. COMPETITION BETWEEN ELECTRON INJECTION AND HOLE CAPTURE AT INP PHOTOANODES

被引：26

作者：

ERNE, BH ^{[1
]}

VANMAEKELBERGH, D ^{[1
]}

VERMEIR, IE ^{[1
]}

机构：

[1] STATE UNIV GHENT,FYS SCHEIKUNDE LAB,B-9000 GHENT,BELGIUM

来源：

ELECTROCHIMICA ACTA | 1993年 / 38卷 / 17期

关键词：

PHOTOELECTROCHEMISTRY; INDIUM PHOSPHIDE; OPTOELECTRICAL IMPEDANCE SPECTROSCOPY; ANODIC DISSOLUTION MECHANISMS;

D O I：

10.1016/0013-4686(93)80153-Q

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

The photoanodic dissolution of n-InP in hydrochloric acid (pH 0) was studied by a combination of dc measurements and optoelectrical impedance measurements. It was found that electron injection from decomposition intermediates into the conduction band competes with hole capture in three of the six electrochemical steps. From a detailed analysis of the optoelectrical impedance, the precise sequence of the electron injection steps was deduced and the rate constants for hole capture and electron injection could be estimated.

引用

页码：2559 / 2567

页数：9

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