Structural and Morphological Modulation of BiOCl Visible-light Photocatalyst Prepared via an In situ Oxidation Synthesis

doi:10.1007/s40242-016-5397-y

Chemical Research in Chinese Universities ›› 2016, Vol. 32 ›› Issue (3): 338-342.doi: 10.1007/s40242-016-5397-y

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Structural and Morphological Modulation of BiOCl Visible-light Photocatalyst Prepared via an In situ Oxidation Synthesis

WANG Jianmin¹, CAO Feng¹, DENG Ruiping², HUANG Lijian², LI Song¹, CAI Jiajia¹, LÜ Xin¹, QIN Gaowu¹

1. Key Laboratory for Anisotropy and Texture of Materials, Ministry of Education, School of Material Science and Engineering, Northeastern University, Shenyang 110819, P. R. China;
2. State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, P. R. China

Received:2015-10-10 Revised:2016-01-22 Online:2016-06-01 Published:2016-03-07
Contact: QIN Gaowu E-mail:qingw@smm.neu.edu.cn
Supported by:
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).

Abstract

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.

Key words: Heterostructure, Nanomaterial, In situ oxidation synthesis, Photocatalyst

WANG Jianmin, CAO Feng, DENG Ruiping, HUANG Lijian, LI Song, CAI Jiajia, LÜ Xin, QIN Gaowu. Structural and Morphological Modulation of BiOCl Visible-light Photocatalyst Prepared via an In situ Oxidation Synthesis[J]. Chemical Research in Chinese Universities, 2016, 32(3): 338-342.

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Structural and Morphological Modulation of BiOCl Visible-light Photocatalyst Prepared via an In situ Oxidation Synthesis

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