桃皮效应:准超疏水高黏附表面(英文) |
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引用本文: | 鹿现永,蔡红燕,吴彦姿,腾超,姜从从,朱英,江雷.桃皮效应:准超疏水高黏附表面(英文)[J].中国科学通报(英文版),2015(4):453-459. |
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作者姓名: | 鹿现永 蔡红燕 吴彦姿 腾超 姜从从 朱英 江雷 |
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作者单位: | Key Laboratory of Bio-Inspired Smart Interfacial Science and Technology of Ministry of Education,Beijing Key Laboratory of Bio-inspired Energy Materials and Devices,School of Chemistry and Environment,Beihang University;Institute of Chemistry,Chinese Academy of Sciences |
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基金项目: | supported by the National Natural Science Foundation of China(21103006);the Beijing Natural Science Foundation(2132030);the National High Technology Research and Development Program of China(2012AA030305);the Fundamental Research Funds for the Central Universities(YWF-10-01-B16,YWF-11-03-Q-214,YWF-13-DX-XYJL-004);the 111 Project(B14009) |
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摘 要: | 桃皮表面具有特殊的浸润和黏附性质.本文揭示了桃皮表面主要由长、短2种绒毛组成.其中长绒毛含有较多疏水的蜡质,短绒毛含有较多亲水的多糖基团.正是由于2种绒毛的化学组成和微观结构使得桃皮表面具有准-超疏水、高黏附的性质.桃皮表面的水滴能够维持良好的球形,即使将桃皮倒立放置,水滴也不会滚动,我们将此定义为桃皮效应.通过化学法和物理法改变其表面化学组成和微观形貌,推断出水滴在桃皮表面以Wenzel和Cassie共存态存在,使得水滴与桃皮表面产生较强的相互作用,从而使桃皮表面具有超疏水和高黏附性质.
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关 键 词: | Peach surface Quasi-superhydrophobic High adhesive force Wenzel’s and Cassie’s state |
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