Review Article

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2016, 9(2): 442–450

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https://doi.org/10.1007/s12274-015-0925-5

Multifunctional silver film with superhydrophobic and antibacterial properties

Ping Che1, Wei Liu1,2, Xiaoxue Chang3, Anhe Wang4, and Yongsheng Han2 (*)

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1 School of Chemistry and Biological Engineering, University of Science & Technology Beijing, Beijing 100083, China
2 State Key Laboratory of Multiphase Complex Systems, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China
3 State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Science, Beijing 100190, China
4 Key Laboratory of Colloid and Interface Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China

Keywords: hydrophobicity, antibacterial, silver film, electrodeposition
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  • Abstract
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Material properties are strongly dependent on material structure. The large diversity and complexity of material structures provide significant opportunities to improve the properties of the materials, expanding their applications. Here, we discuss the fabrication of a multifunctional silver film prepared by controlling the nucleation and growth of silver particles. Silver films with high hydrophobicity and antibacterial activity were fabricated by adopting an electrochemical approach. The dependence of the hydrophobic and antibacterial properties on the size and shape of the silver particles was first investigated. Small-sized silver particles exhibited a high antibacterial rate, while a porous silver film composed of dendritic particles showed a significant hydrophobic activity. By regulating the reaction time, current density, and silver salt concentration, a silver film with a contact angle of 150.9° and an antibacterial rate of 54.7% was synthesized. This study demonstrates that finding a compromise between different material structures is a suitable way to fabricate multifunctional devices.
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Multifunctional silver film with superhydrophobic and antibacterial properties. Nano Res. 2016, 9(2): 442–450 https://doi.org/10.1007/s12274-015-0925-5

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