Surface‐Modified p ‐ InP Photocathodes in Sulfide/Polysulfide Electrolyte
| Autor: | Chin‐hsin J. Liu, Anthony F. Sammells, Peter G. P. Ang |
|---|---|
| Rok vydání: | 1982 |
| Předmět: |
chemistry.chemical_classification
Materials science Sulfide Renewable Energy Sustainability and the Environment Inorganic chemistry Halide Electrolyte Photoelectrochemical cell Condensed Matter Physics Cobalt sulfide Surfaces Coatings and Films Electronic Optical and Magnetic Materials Electrochemical cell chemistry.chemical_compound chemistry Electrode Materials Chemistry Electrochemistry Polysulfide |
| Zdroj: | Journal of The Electrochemical Society. 129:1387-1389 |
| ISSN: | 1945-7111 0013-4651 |
| DOI: | 10.1149/1.2124170 |
| Popis: | A chemical procedure is reported to modify the semiconductor surface which results in an efficient p-InP/S/sup 2-/,Sx/sup 2-/ photoelectrochemical cell. The procedure is as follows: The p-InP electrode was initially etched in 12M HCl for 1-2 minutes, followed by immersion in polysulfide solution (1M Na/sub 2/S+1M/sub 2/S or 2.5M Na/sub 2/s+1M S+1M NaOH. To the polysulfide-wetted surface of the p-InP, a drop of 0.2M CoCl/sub 2/ was added. A black precipitate of cobalt sulfide was immediately formed, the majority of which was rinsed off with deionized water. 7 refs. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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