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模板法制备玻璃表面超亲水SiO2纳米柱阵列
Authors
周忠华
张静
许海波
黄悦
Publication date
24 October 2019
Publisher
Abstract
以酸性SiO2溶胶作为涂层,通过阳极氧化铝模板压印法,在玻璃表面成功制备了规则排列的超亲水SiO2纳米柱阵列,考察了模板孔深和孔径对SiO2纳米柱阵列结构和性能的影响。结果表明,随着模板孔深的增加,长径比>10的纳米柱倾向于倒塌聚集,导致可见光透射比大幅下降;控制纳米柱长径比<10时,制备的直立纳米柱结构具有良好的透光性能,且随着模板孔径的减小,纳米柱直径减小,表面粗糙度增大,固体表面占比减小,亲水性逐渐增强。该方法可通过模板孔径调控SiO2纳米柱阵列的表面粗糙度和固体表面占比,使之呈现超亲水性和高透光性,为超亲水材料的制备提供了新的技术路线。福建省科技重大专项(2014HZ0005
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Last time updated on 20/11/2020