Tailoring the deposition of MoSe2 on TiO2 nanorods arrays via radiofrequency magnetron sputtering for enhanced photoelectrochemical water splitting
نویسندگان
چکیده
MoSe2/1 D TiO2 nanorods (NRs) heterojunction assembly was systematically fabricated, and its photoelectrocatalytic properties were investigated. The fabrication process involves the growth of 1D NRs arrays on FTO substrates using hydrothermal synthesis followed by deposition MoSe2 nanosheets radiofrequency magnetron sputtering (RF sputtering). photoelectrochemical explored optimized as a function thickness layer, which controlled time. grows perpendicularly in 2D layered structure, maximizing exposed active edges, an essential aspect that permits maximum exploitation deposited MoSe2. Compared to pure NRs, nanostructured displayed excellent spectral properties, including more surface oxygen vacancies, enhanced visible-light absorption, higher photocurrent response, decreased charge transfer resistance. In particular, sample synthesized for 90 s, i.e., MoSe2@TiO2-90 depicted highest current density (1.86 mA cm−2 at 0.5 V vs. Ag/AgCl) compared other samples. activity stemmed from synergy between tailored loading structure afford high surface/volume ratio, effective separation, fast electron transfer, easy accessibility edges. These factors boost catalytic activity.
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ژورنال
عنوان ژورنال: Applied Surface Science
سال: 2023
ISSN: ['1873-5584', '0169-4332']
DOI: https://doi.org/10.1016/j.apsusc.2023.157205