Bismuth molybdate has three phases α-BiMoO, β-BiMoO, and γ- BiMoO, each of which has unique properties that distinguish them from each other. Among them, BiMoO and BiMoO have the most stability. In this research, γ-BiMoO@BiMoWO core‒shell nanofibers were deposited on the stainless steel mesh as effective and low‒cost substrate. The co‒axial electrospinning as a simple method was applied to form nanofibers on the substrate. Both of the abovementioned bismuth molybdates contents include different crystal facets, controlling the Red‒Ox properties. α-BiMoO possesses the vast numbers of oxygen vacancies in Mo-O bonding makes the oxidant {100} crystal facet. Likewise, γ‒BiMoWO contains brittle facet of {010} with high concentration of Oxygen vacancies resulted in oxidative capability of the core‒shell composite. The obtained data indicated the key role of OH radical through photocatalytic reactions and a new heterojunction having direct Z‒scheme standing.
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| http://dx.doi.org/10.1016/j.envres.2022.115154 | DOI Listing |
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