Pd Nanoparticle-Decorated Hydrogen Plasma-Treated TiO2 for Photoelectrocatalysis-Based Solar Energy Devices

Deepanjana Adak, Poulomi Chakrabarty, Pavel Majumdar, Rabibrata Mukherjee, Snehangshu Patra, Anup Mondal, Sekhar Bhattacharyya, Hiranmay Saha, Raghunath Bhattacharyya

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    6 Scopus citations


    A relatively less explored plasmonic material, Pd, on the TiO2 interface has been utilized to boost the catalytic efficiency of rutile TiO2 as a photoelectrocatalyst material. To obtain desired plasmonic behavior, Pd ions deposited over TiO2 were reduced under cold/nonthermal hydrogen plasma, for complete reduction of as-deposited Pd ions to metallic Pd nanoparticles. The Pd@TiO2 photocatalyst, thus prepared, was then extensively characterized. We emphasize that this particular catalyst can be used as a photoelectrocatalyst, as this is found to exhibit promising photoelectrochemical behavior and its ability as a water oxidation catalyst in water splitting devices. The enhanced catalytic activity achieved by using Pd nanoparticles and subsequent cold hydrogen plasma treatment of Pd@TiO2 is expected to make such a system useful for many other electrocatalytic and related applications.
    Original languageEnglish (US)
    JournalACS Applied Electronic Materials
    StatePublished - Dec 7 2020

    Bibliographical note

    KAUST Repository Item: Exported on 2020-12-14
    Acknowledgements: We would like to acknowledge DST, Govt. of India for financial support. We would also like to acknowledge Director, IIEST, Shibpur for allowing the institute facilities and encouragement for undertaking this work.


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