Improved Visible-light Photocatalytic Properties of ZnFe2O4 Synthesized via Sol-gel Method Combined with a Microwave Treatment

doi:10.1007/s40242-015-4428-4

Chemical Research in Chinese Universities ›› 2015, Vol. 31 ›› Issue (3): 439-442.doi: 10.1007/s40242-015-4428-4

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Improved Visible-light Photocatalytic Properties of ZnFe₂O₄ Synthesized via Sol-gel Method Combined with a Microwave Treatment

FENG Jing, WANG Yuting, ZOU Linyi, LI Bowen, HE Xiaofeng, LIU Shengna, CHEN Tingting, FAN Zhuangjun, REN Yueming, LÜ Yanzhuo

Key Laboratory of Superlight Materials & Surface Technology, Ministry of Education, Harbin Engineering University, Harbin 150001, P. R. China

Received:2014-11-14 Revised:2015-01-05 Online:2015-06-01 Published:2015-02-12
Contact: FENG Jing E-mail:fengjing@hrbeu.edu.cn
Supported by:
Supported by the National Natural Science Foundation of China(Nos.21301038, 51108111, 21203040), the Fundamental Research Funds for the Central Universities of China(No.HEUCF20151003) and the Natural Science Foundation of Heilongjiang Province of China(No.B201201).

Abstract

Abstract:

ZnFe₂O₄(ZFO) was synthesized via a sol-gel method firstly, then the ZFO was irradiated with microwave treatment to obtain M-ZFO using NH₄Cl as dispersant for 10 min to improve the photocatalytic activity. Large particles of ZFO were broken into small and uniform particles by the gases of hydrogen chlorine and ammonia during the decomposition of NH₄Cl. Compared to ZnFe₂O₄ without microwave treatment(ZFO), M-ZFO exhibits smaller particle size, higher surface area and larger saturation magnetization. More importantly, the photocatalytic activity of M-ZFO for methylene blue was increased by 25% compared with that of ZFO.

Key words: Photocatalyst, Microwave treatment, ZnFe₂O₄

FENG Jing, WANG Yuting, ZOU Linyi, LI Bowen, HE Xiaofeng, LIU Shengna, CHEN Tingting, FAN Zhuangjun, REN Yueming, LÜ Yanzhuo. Improved Visible-light Photocatalytic Properties of ZnFe₂O₄ Synthesized via Sol-gel Method Combined with a Microwave Treatment[J]. Chemical Research in Chinese Universities, 2015, 31(3): 439-442.

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Improved Visible-light Photocatalytic Properties of ZnFe₂O₄ Synthesized via Sol-gel Method Combined with a Microwave Treatment

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