Abstract
The evolution of morphology and heterostructure of BiOCl was investigated during an in situ oxidation reaction. Morphology and structure transformation of regular 2D nanoflake, 0D nanosphere or 3D nanoflower was achieved by adjusting the ratio of reagent concentration or reaction temperature, respectively. The enhanced photocatalytic degradation ability and the photocurrent intensity of BiOCl nanomaterials may be attributed to the improved degree of crystallinity and the formation of Bi/BiOCl heterostructure. The photocurrent density of Schottky battery was increased due to enhancing the optical pathway and assisting during charge separation. Crystallinity also contributed to the improvement of the photoelectric conversion efficiency and reduction of the recombination rate of photogenerated electron-hole pairs.
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Supported by the National Natural Science Foundation of China(Nos.51402047, 51525101), the Fundamental Research Funds for the Central Universities of China(Nos.N151004003, N150502002), the Doctoral Program of Higher Education of China(No.20130042120011) and the Open Project of State Key Laboratory of Rare Earth Resource Utilizations of China (No.RERU2014002).
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Wang, J., Cao, F., Deng, R. et al. Structural and morphological modulation of BiOCl visible-light photocatalyst prepared via an in situ oxidation synthesis. Chem. Res. Chin. Univ. 32, 338–342 (2016). https://doi.org/10.1007/s40242-016-5397-y
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DOI: https://doi.org/10.1007/s40242-016-5397-y