Abstract
A series of BiOIO3 were prepared via in-situ crystallization method with different calcining temperatures. All samples were characterized by XRD, SEM, UV–vis, PL to explore the effect of internal electric field (IEF) among different dimensions. B-200 (calcinated under 200 °C) with the optimized IEF attained the most superior photocatalytic oxidation capacity in removing gas-phase Hg0. Also, the formed 2D mixed 3D dimension changes the inter-atomic spacing to make the band bend upward, then moves the electrons and holes in the horizontally opposite direction. In combination with the above factors, the optimized IEF and dimension effectively intensify the separation of charge carriers and make the photocatalytic performance greatly improved.
Published Version
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