Contact
    Start Publications Electrophoretically deposited nanostructured PdO thin film for ...
    ←  Publication Finder
    KSV NIMA

    Electrophoretically deposited nanostructured PdO thin film for room temperature amperometric H-2 sensing

    Year: 2018

    Journal: Vacuum, Volume 154, AUG, page 302–308

    Authors: Arora, Kamal; Puri, Nitin K.

    Organizations: Department of Atomic Energy -Board of Research in Nuclear Sciences (DAE-BRNS), India; SERB, DST, India [EMR/2016/007479]; IUAC sponsored project [IUAC/XIII.7/UFR-56324]; DST, India [IFA14-MS-34]

    Country: New Delhi, INDIA

    Keywords: Electrochemical sensor; Hydrogen sensor; Amperometry; Palladium oxide nanoparticles; Metal oxides

    In the present work, economical and facile hydrothermal sol-gel method is employed for the synthesis of palladium oxide (PdO) nanoparticles. Uniform thin film of PdO nanoparticles are fabricated using Electrophoretic deposition (EPD) set-up. The crystal structure, surface framework, shape and size of PdO nanoparticles are determined using X-ray diffraction spectroscopy (XRD), Transmission electron microscopy (TEM) and scanning electron microscopy (SEM) respectively. An optical band-gap of 1.9 eV is observed using UV-Visible (UV-Vis) spectroscopy. Amperometric sensing of hydrogen gas is studied using PdO thin film as working electrode and characteristics properties have been obtained for different hydrogen (H-2)/Argon (Ar) gas concentrations using potentiostat/galvanostat Autolab instrument at room temperature. The PdO nanoparticles based amperometric hydrogen gas sensor shows high sensitivity of 0.222 mu A/%H-2 with fast response and recovery time.
    View publication