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- Title
Effect of post annealing on chemisynthesized cadmium selenide (CdSe) thin films: physicochemical and photoelectrochemical properties.
- Authors
Nikam, R. P.; Lokhande, V. C.; Khot, S. D.; Bagwade, P. P.; Gunjakar, J. L.; Lokhande, C. D.
- Abstract
The utilization of solar energy is an essential aspect in order to sustain in the energy crisis situation. Semiconductor based photoelectrochemical (PEC) cells are used for it. Herein, a binder free approach was employed for the synthesis of CdSe thin films on stainless steel substrate and effect of post annealing (350–500 K) on physicochemical as well as photoelectrochemical properties were investigated. The characterization showed that CdSe thin films crystallized in cubic crystal structure with spherical granular morphology with optical band gap of 1.76 eV. The effect of post annealing on CdSe thin films is further tested by examining their PEC properties. Thin film CdSe electrode annealed at temperature 400 K showed highest fill factor (FF) and efficiency (η) of 0.32 and 1.54%, respectively. In addition, electrochemical impedance spectroscopy (EIS) study showed superior charge transfer properties.
- Publication
Journal of Materials Science: Materials in Electronics, 2023, Vol 34, Issue 28, p1
- ISSN
0957-4522
- Publication type
Article
- DOI
10.1007/s10854-023-11312-x