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Updated: Jun 23, 2025

Developing Photosensitizer-Cobaloxime Hybrids for Solar-Driven H2 Production in Aqueous Aerobic Conditions
Published on: October 5, 2019
Enhanced H2 production assisted by anodic iodide oxidation using transparent tin oxide-based electrodes
Shraddha Paniya1, Kiran Vankayala1
1Functional Materials for Electrochemistry and Solar energy (FunMatES) group, Energy and Environmental Chemistry Lab, Department of Chemistry, Birla Institute of Technology and Science, Pilani, K K Birla Goa Campus, Goa, 403726, India. kiranv@goa.bits-pilani.ac.in.
Abstract:
In this work, the direct use of transparent conducting oxides (TCOs) as cost-efficient anodes for the iodide oxidation reaction (IOR) is explored. Energy-saving hydrogen production assisted by the IOR is demonstrated using a hybrid water electrolysis system with FTO as the anode and Pt-wire as the cathode. The hybrid system delivers 10 mA cm-2 at a cell voltage as low as 1.15 V with the faradaic efficiency for H2 found to be ∼91%. This study may open avenues for developing novel systems that integrate the IOR with other high-value reduction reactions.
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