Superamphiphobic Surfaces with Controllable Adhesion Fabricated by Femtosecond Laser Bessel Beam on PTFE

doi:10.1002/admi.201900550

CORC > 长春光学精密机械与物理研究所 > 中国科学院长春光学精密机械与物理研究所

	Superamphiphobic Surfaces with Controllable Adhesion Fabricated by Femtosecond Laser Bessel Beam on PTFE
	D.K.Chu; S.C.Singh; J.L.Yong; Z.B.Zhan; X.Y.Sun; J.A.Duan
刊名	Advanced Materials Interfaces
	2019
卷号	6 期号:14 页码:9
关键词	Bessel beam,femtosecond laser,polytetrafluoroethylene,superamphiphobic surfaces,tunable adhesion
ISSN号	2196-7350
DOI	10.1002/admi.201900550
英文摘要	In this study, a facile method is presented to fabricate superamphiphobic surfaces with controllable adhesion on polytetrafluoroethylene (PTFE), for the first time, using femtosecond laser Bessel beam. Compared to previous structures mostly based on 1D microstructure produced by Gaussian beam, the surfaces are characterized by highly uniform 2D periodic hill-groove structures covered with extensive porous-mesh nanostructures. Most significantly, the 2D hill-groove structures have a very high-aspect-ratio since the energy distribution of the Bessel beam is more uniform over a longer focusing range. Moreover, the profile of the obtained microstructures is a nearly perfect semi-spherical shape. As a result, the processed surfaces become superamphiphobic, exhibiting a contact angle of 166 degrees for water and 160 degrees for oil, respectively. Furthermore, the surface adhesion can be controlled from ultralow to ultrahigh by adjusting the period of the hill-groove 2D-patterned structures. It is demonstrated that the ultralow adhesion surfaces show excellent antifog and anti-icing properties, while the ultrahigh adhesion surfaces can be used for water and oil collection. Both surfaces have a good mechanical stability and are stable over a wide range of temperatures. The superamphiphobic PTFE surfaces with tunable adhesion can be used for self-cleaning, microfluidic systems, and harsh environments.
URL标识	查看原文
语种	英语
内容类型	期刊论文
源URL	[http://ir.ciomp.ac.cn/handle/181722/63428]
专题	中国科学院长春光学精密机械与物理研究所
推荐引用方式 GB/T 7714	D.K.Chu,S.C.Singh,J.L.Yong,et al. Superamphiphobic Surfaces with Controllable Adhesion Fabricated by Femtosecond Laser Bessel Beam on PTFE[J]. Advanced Materials Interfaces,2019,6(14):9.
APA	D.K.Chu,S.C.Singh,J.L.Yong,Z.B.Zhan,X.Y.Sun,&J.A.Duan.(2019).Superamphiphobic Surfaces with Controllable Adhesion Fabricated by Femtosecond Laser Bessel Beam on PTFE.Advanced Materials Interfaces,6(14),9.
MLA	D.K.Chu,et al."Superamphiphobic Surfaces with Controllable Adhesion Fabricated by Femtosecond Laser Bessel Beam on PTFE".Advanced Materials Interfaces 6.14(2019):9.