Nanoporous ZnO nanostructures for photocatalytic degradation of organic pollutants |
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| Authors: | Yulong Ying Tao Song Hongwen Huang Xinsheng Peng |
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| Institution: | 1. State Key Laboratory of Silicon Materials, Department of Materials Science and Engineering, Zhejiang University, Zheda Road 38, Hangzhou, 310027, China
2. Cyrus Tang Center for Sensing Materials and Applications, Zhejiang University, Zheda Road 38, Hangzhou, 310027, China
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| Abstract: | ZnO porous bamboo-leave-like nanorods and nanoporous networks were prepared by thermal conversion from Zn2CO3(OH)2?H2O bamboo-leave-like nanorods, Zn(OH)2 nanoparticle networks and Zn(OH)2 long nanostrand networks, respectively. Among them, the ZnO nanoporous networks prepared from Zn(OH)2 nanostrands had the highest surface area of 78.57 m2/g and presented the best photocatalytic decomposition of organics. The morphologies of the Zn(OH)2 nanostructures significantly depended on the solvent used for the precursors of aminoethanol and Zn(NO3)2 and then determined the corresponding structures and properties of the final ZnO nanostructures. The ethanol/water mixture solvent dramatically increased the stability of Zn(OH)2 nanostrands. This is very beneficial for the collection and application of Zn(OH)2 nanostrands. |
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