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| Content Provider | Royal Society of Chemistry (RSC) |
|---|---|
| Author | Septina, Wilman Ikeda, Shigeru Nonogaki, Midori Gunawan, Gunawan, Harada, Takashi Matsumura, Michio |
| Copyright Year | 2013 |
| Abstract | Polycrystalline CuInS2 chalcopyrite thin films were formed on a Mo-coated glass substrate by annealing of spray deposited precursor films in a sulfur atmosphere. Structural and photoelectrochemical analyses of CuInS2 films obtained by annealing at 500 °C and 600 °C revealed that a well-defined crystalline film was obtained by the 600 °C annealing. Owing to these favorable properties, the solar cell with an Al:ZnO/CdS/CIS/Mo/glass structure based on the 600 °C annealed CuInS2 film showed higher conversion efficiency than that obtained on the cell derived from the 500 °C annealed CuInS2. Partial incorporation of Ga in the CuInS2 film with a Ga/In ratio of ca. 0.2 to form a Cu(In,Ga)S2 mixed crystal without any reduction of photoelectrochemical properties can be achieved by introduction of a Ga source in the sprayed solution. As a result, the solar cell based on the 600 °C annealed Cu(In,Ga)S2 film showed the best conversion efficiency (5.8%) of the present sprayed chalcopyrite films. By introduction of a CdS thin layer followed by loading Pt deposits, moreover, the 600 °C annealed Cu(In,Ga)S2 film worked as a photocathode for photoelectrochemical water splitting with applied bias potential of >0.65 V. |
| Starting Page | 1849 |
| Ending Page | 1854 |
| Page Count | 6 |
| File Format | HTM / HTML PDF |
| ISSN | 20444753 |
| Volume Number | 3 |
| Issue Number | 7 |
| Journal | Catalysis Science & Technology |
| DOI | 10.1039/c3cy00020f |
| Language | English |
| Publisher | Royal Society of Chemistry |
| Access Restriction | Open |
| Subject Keyword | Solar cell Gallium Water splitting Chalcopyrite Commonwealth of Independent States Photocathode Photoelectrochemical cell Sulfur Nucleic acid thermodynamics |
| Content Type | Text |
| Resource Type | Article |
| Subject | Catalysis |
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