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Efficient Counter Electrode of MoS 2 ‐GO/PEDOT:PSS for Platinum‐free, High Performance Dye Sensitized Solar Cells

The aim of this work is to fabricate the efficient platinum‐free counter electrodes for the development of advanced and high performance dye sensitized solar cells. MoS 2 ‐GO/ PEDOT:PSS counter electrode has served as low‐cost, simple preparation and high efficient counter electrode for a DSSC. The...

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Bibliographic Details
Published in:ChemistrySelect (Weinheim) 2024-03, Vol.9 (10)
Main Authors: Chamatam Kasi Reddy, Arimakula, Neeraja, Velpula, Meenakshamma, Ambapuram, Gurulakshmi, Maddala, Gurubhasker, Mangala, Raghavender, Mitty, Pedda Venkata Subbaiah, Yearva
Format: Article
Language:English
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Summary:The aim of this work is to fabricate the efficient platinum‐free counter electrodes for the development of advanced and high performance dye sensitized solar cells. MoS 2 ‐GO/ PEDOT:PSS counter electrode has served as low‐cost, simple preparation and high efficient counter electrode for a DSSC. The Cyclic‐Voltammetry, electrochemical impedance spectroscopy and Tafel curve analysis indicate that the MoS 2 ‐GO/PEDOT:PSS counter electrode possesses low charge transfer resistance on the electrolyte–electrode interface, high electrocatalytic activity and fast reaction kinetics for the reduction of tri‐iodide to iodide at the counter electrode. The DSSCs made with MoS 2 ‐GO/PEDOT:PSS counter electrode achieve high power conversion efficiency of 7.73 % under standard light illumination of 100 mW/cm 2 , is higher than the platinum based counter electrode DSSC (5.53 %). The results witnessed the developed counter electrode is efficient and potential for platinum‐free dye sensitized solar cell applications.
ISSN:2365-6549
2365-6549
DOI:10.1002/slct.202305200