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A Facile and Flexible Approach for Large-Scale Fabrication of ZnO Nanowire Film and Its Photocatalytic Applications

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Institute of Advanced Wear & Corrosion Resistant and Functional Materials, Jinan University, Guangzhou 510632, China
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Key Laboratory of Power Battery and Materials, School of Materials Science and Engineering, Jiangxi University of Science and Technology, Ganzhou 341000, China
3
State Key Laboratory of Urban Water Resource and Environment, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150001, China
*
Authors to whom correspondence should be addressed.
Nanomaterials 2019, 9(6), 846; https://doi.org/10.3390/nano9060846
Received: 1 May 2019 / Revised: 22 May 2019 / Accepted: 28 May 2019 / Published: 2 June 2019
A novel strategy for large-scale synthesis of ZnO nanowire film is reported, which inherits the advantages of the solution-phase method and seeded growth process, such as low-temperature, efficient, economical, facile and flexible. It is easy to implement on various metals through room-temperature electrodeposition, followed by hydrothermal treatment at 90 °C, and suitable for industrialized production. The ZnO nanowires with an average wire diameter about 40 nm are in situ grown from and on nanocrystalline zinc coating, which forms a strong metallurgical bonding with the substrates. The p-type ZnO nanowire film has a well-preferred orientation along the (100) direction and a wurtzite structure, thereby displaying an effective photocatalytic capability for carcinogenic Cr6+ ions and CO2 greenhouse gas reduction under visible light irradiation. In addition to these features, the ZnO nanowire film is easy to recycle and, therefore, it has broad application prospects in contaminant degradation and renewable energy. View Full-Text
Keywords: ZnO nanowires; nanocrystalline zinc; electrodeposition; hydrothermal treatment; photocatalytic activity ZnO nanowires; nanocrystalline zinc; electrodeposition; hydrothermal treatment; photocatalytic activity
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MDPI and ACS Style

Li, Q.; Wang, Q.; Chen, Z.; Ma, Q.; An, M. A Facile and Flexible Approach for Large-Scale Fabrication of ZnO Nanowire Film and Its Photocatalytic Applications. Nanomaterials 2019, 9, 846.

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