p-type CdS thin films formed by in situ Cu doping in the chemical bath
- 7 June 1993
- journal article
- research article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 62 (23) , 2956-2958
- https://doi.org/10.1063/1.109181
Abstract
The formation of p‐type CdS thin films, doped with Cu, in a chemical bath, is reported for the first time. The Cu doped films showed amorphous nature and exhibited high electrical conductivity as compared to undoped films, which were near stoichiometric with n‐type conductivity and crystalline in nature. Cu doping influenced the photocurrent response, structural, electrical, and optical properties of the films. The optical band gap of the CdS film varied from 2.35 to 2 eV after Cu doping. The potential application of these films as an absorber layer in thin film solar cells is being investigated.Keywords
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