Photovoltaic properties of five II-VI heterojunctions
- 1 April 1977
- journal article
- research article
- Published by AIP Publishing in Journal of Applied Physics
- Vol. 48 (4), 1596-1602
- https://doi.org/10.1063/1.323839
Abstract
Five heterojunction systems, involving the II‐VI compounds CdSe, CdTe, ZnSe, and ZnTe, have been prepared using the close‐spaced vapor transport method. Current transport through these heterojunctions was found to be dominated by recombination at the interface. Using a collection function, introduced to describe the voltage dependence of the collection of photogenerated carriers, diffusion potentials were determined, and from them values of the electron affinity of CdSe (4.53 eV) and ZnTe (3.73 eV) relative to CdTe (4.28 eV).Keywords
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