Journal
IEEE TRANSACTIONS ON ELECTRON DEVICES
Volume 68, Issue 10, Pages 5319-5321Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TED.2021.3101780
Keywords
AgVO3 doping; dye-sensitized solar cells (DSSCs); mesoporous TiO2; natural dye; numerical optoelectronic modeling
Funding
- Science, Technology, and Innovation Funding Authority (STDF) [33502]
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The effectiveness of mesoporous TiO2 layer with varied AgVO3 doping in DSSCs was investigated, with a 15% doping concentration found to be optimal. The DSSC achieved an output power of 19.24 mW, 6.1% power conversion efficiency, and integrated as a light harvester in an underwater sensing unit.
The effectiveness of the mesoporous TiO2 layer, which acts as an active n-type semiconductor layer in dye-sensitized solar cells (DSSCs), was investigated by varying AgVO3 doping. To optimize the meso-superstructure, the doping concentration was varied from 0% to 25% using experimentally validated simulations. Moreover, performance comparisons between the experimentally fabricated DSSCs based on natural beetroot dye and the commonly used N719 dye were made. A 15% doping concentration was found optimum for our DSSC, which delivered an output power of 19.24 mW, 6.1% power conversion efficiency, and an open-circuit voltage, V-oc, of 0.5 V and a short-circuit current density, J(sc), of 21 mA/cm(2) in diffused light conditions. Based on these performance results, we integrated our optimized DSSC in an underwater sensing unit as a light harvester.
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