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	Fabrication of biomimetic anisotropic super-hydrophobic surface with rice leaf-like structures by femtosecond laser
	Yang, Liang1; Shen, Xiaodong1,2; Yang, Qin1; Liu, Jiquan1; Wu, Wenjie1; Li, Daoyuan1; Du, Jihong2; Zhang, Bing2; Fan, Shuqian1
	2021-02-01
摘要	It was found that the anisotropic hydrophobicity of rice leaves was caused by the multi-level grooves and tiny papillary microstructures on their surface. Inspired by rice leaves, a rice leaf-like anisotropic super-hydrophobic aluminum surface was obtained by femtosecond laser raster scanning. The surface structure, chemical composition, contact angle and sliding angle of the structured aluminum surface have been investigated in detail. The results show that structured surface appears super-hydrophobic with sliding anisotropy. The contact angle reaches 153? for 5 mu l water droplet. The sliding angle is about 9? along the groove direction and about 34? perpendicular to the groove direction for 10 mu l water droplet. Superscript/Subscript Available
关键词	Biomimetic microstructure Femtosecond laser Anisotropic super-hydrophobic Aluminum
DOI	10.1016/j.optmat.2020.110740
发表期刊	OPTICAL MATERIALS
ISSN	0925-3467
卷号	112页码:7
通讯作者	Zhang, Bing(zb@mdjnu.edu.cn) ; Fan, Shuqian(fansq@cigit.ac.cn)
收录类别	SCI
WOS记录号	WOS:000626142500002
语种	英语