CuInS2 based thin film solar cell with 10.2% efficiency
- 13 December 1993
- journal article
- research article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 63 (24), 3294-3296
- https://doi.org/10.1063/1.110786
Abstract
Efficient solar energy conversion with CuInS2 thin films is reported. The copper‐rich p‐type absorber is prepared by thermal coevaporation. A copper to indium ratio between 1.0 and 1.8 can be tolerated with small (≤10%) solar‐to‐electrical conversion losses. Copper excess phases (CuS) are removed chemically. The cell structure glass/Mo/p‐CuInS2/n‐CdS/n+‐ZnO/Al delivers 10.2% at simulated AM 1.5 conditions. The device properties are discussed based on its energy band diagram.Keywords
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