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Temperature effects on Cadmium Selenide semiconductor-sensitized solar cells with SnO2 deposition as electron transport layer
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Temperature effects on Cadmium Selenide semiconductor-sensitized solar cells with SnO2 deposition as electron transport layer
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Journal Article
Temperature effects on Cadmium Selenide semiconductor-sensitized solar cells with SnO2 deposition as electron transport layer
2024
Overview
This research investigates the influence of temperature on the performance of Cadmium Selenium (CdSe) semiconductor-sensitized solar cells (SSSCs) with tin oxide (SnO
2
) deposition. CdSe thin films were synthesized at different temperatures (room temperature, 55 and 70 °C) and characterized for their optical and structural properties. The results reveal temperature-dependent variations in the bandgap energy and crystal structure of CdSe, with higher temperatures leading to a red shift in absorption spectra and increased crystallinity. The CdSe-coated SnO
2
films showed enhanced nanoparticle density at higher bath temperatures, indicating improved particle binding and aggregation. Moreover, the elemental analysis confirmed the successful loading of CdSe onto SnO
2
substrates without impurities. Solar cells constructed with these materials exhibited temperature-dependent efficiency, with maximum efficiency achieved at room temperature due to optimal bandgap characteristics and reduced recombination rates. The solar cell with the optimal SnO
2
:(FTO)/SnO
2
/CdSe/CuS nanostructure array electrode produced a short-circuit current density of 4.155 mA/cm
2
and a power conversion efficiency of 0.26% when exposed to one sun's rays. These findings suggest that temperature control during CdSe synthesis plays a crucial role in optimizing the performance of SSSCs, highlighting the importance of understanding temperature effects in semiconductor-based solar cell technologies.
Publisher
Springer US,Springer Nature B.V
