期刊
CHEMICAL RESEARCH IN CHINESE UNIVERSITIES
卷 32, 期 3, 页码 338-342出版社
HIGHER EDUCATION PRESS
DOI: 10.1007/s40242-016-5397-y
关键词
Heterostructure; Nanomaterial; In situ oxidation synthesis; Photocatalyst
资金
- National Natural Science Foundation of China [51402047, 51525101]
- Fundamental Research Funds for the Central Universities of China [N151004003, N150502002]
- Doctoral Program of Higher Education of China [20130042120011]
- Open Project of State Key Laboratory of Rare Earth Resource Utilizations of China [RERU2014002]
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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