Enhanced photocatalytic performance of ZnO/multi-walled carbon nanotube nanocomposites for dye degradation |
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| Authors: | Ping Liu Yanqing Guo Qingwei Xu Fengge Wang Yanbin Li Keran Shao |
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| Affiliation: | 1. School of Electric and Information Engineering, Zhongyuan University of Technology, No. 41 Middle Zhongyuan Road, Zhengzhou 450007, China;2. College of Electrical and Electronics Engineering, Huazhong University of Science and Technology, Wuhan 430074, China |
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| Abstract: | The ZnO nanowire/multi-walled carbon nanotube (MWNT) nanocomposites have been successfully synthesized by one-step hydrothermal method using zinc chloride as Zn source. Their photocatalytic degradation performances on methylene blue and Rhodamine 6G have been investigated under UV irradiation. Experimental results show that the photocatalytic efficiency of the as-synthesized ZnO/MWNT nanocomposites is 3 times higher than that of pure ZnO nanowires. The enhanced photocatalytic activity is attributed to the fast transfer of photo-generated electrons from ZnO to MWNTs, leading to low recombination rate of photo-induced electron–hole pairs. |
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| Keywords: | B. Nanocomposites D. Carbon D. ZnO E. Functional applications |
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