Presentation Details
| Progress in Chloride-Based Treatments of CdZnTe Solar Cells Pradipta Roy Dip1, 2, Kevin D.Dobson1, Brian E.McCandless1, William N.Shafarman1, 2. 1Institute of Energy Conversion, University of Delaware, Newark, DE, USA.2Department of Materials Science and Engineering, University of Delaware, Newark, DE, USA |
Abstract
Thin-film CdZnTe solar cell processing is hindered by Zn loss during CdCl2-based annealing, motivating a deeper understanding of chloride–CdZnTe chemistry. While ZnCl2 treatments can maintain Zn%, processing remains challenging due to its hygroscopic nature. We explore an alternative, manufacturable chloride treatment using SbCl3 for CdZnTe. SbCl3 yields promising performance while preserving Zn content relative to CdCl2. The influence of reaction conditions on the underlying chemical mechanisms is examined.
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