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Preparation of superhydrophobic silver nano coatings with feather-like structures by electroless galvanic deposition 被引量:2

Preparation of superhydrophobic silver nano coatings with feather-like structures by electroless galvanic deposition
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摘要 Superhydrophobic silver nanocoatings with feather-like morphology are fabricated on copper substrates by electroless galvanic deposition. The coating exhibit superhydrophobicity with a contact angle of 156.4° and glide angle of 4° without any further surface modification. Scanning electron microscope (SEM), X-ray diffraction (XRD) and contact angle measurements are used to investigate the morphology, crystal structure and superhydrophobicity, respectively, of the coatings. The coatings exhibit high thermal stability; their water contact angle did not change when the coatings were heated to 200°C for 2 h. The mechanism of superhydrophobicity of the silver coating is discussed based on the work of Amirfazli, Wenzel and Cassie. Superhydrophobic silver nanocoatings with feather-like morphology are fabricated on copper substrates by electroless galvanic deposition. The coating exhibit superhydrophobicity with a contact angle of 156.4 and glide angle of 4 without any further surface modification. Scanning electron microscope (SEM), X-ray diffraction (XRD) and contact angle measurements are used to investigate the morphology, crystal structure and superhydrophobicity, respectively, of the coatings. The coatings exhibit high thermal stability; their water contact angle did not change when the coatings were heated to 200℃ for 2 h. The mechanism of superhydrophobicity of the silver coating is discussed based on the work of Amirfazli, Wenzel and Cassie.
出处 《Chinese Science Bulletin》 SCIE EI CAS 2013年第16期1887-1891,共5页
基金 supported by the Key Laboratory of Hexi Corridor Resources Utilization of Gansu Universities (ZX1101)
关键词 疏水涂层 电沉积铜 超疏水性 晶体结构 电解 纳米银 扫描电子显微镜 接触角测量 silver nano coating, superhydrophobicity, contact angle, composite interface
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