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High‐performance bilayer counter electrodes (BCEs) for dye‐sensitized solar cell (DSSC) applications are gaining considerable attention. In this study, MoS 2 /single‐walled carbon nanohorn (SWCNHs) BCEs were fabricated by ultrasonic‐spray‐assisted electrochemical deposition. The BCEs exhibited superior electrocatalytic activity, confirmed through CV, Tafel plots, and electrochemical impedance spectroscopic studies. The fabricated MoS 2 /SWCNH‐based DSSCs exhibited an impressive photovoltaic power conversion efficiency of 9.48 %, which is higher than the performance of cells with Pt‐containing CEs (8.64 %). The simple and reliable growth strategy for bilayer film CEs provides a new route for the preparation of cost‐effective and high‐performance catalytic BCEs for renewable energy applications involving Pt‐free DSSCs.
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Gurulakshmi et al. (2020) studied this question.
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