Electricity-driven wettability with a low threshold voltage

被引：13

作者：

Guo, Zhiguang ^{[1
,2
,3
]}

Su, Baolian ^{[1
,4
]}

机构：

[1] Univ Namur, Lab Inorgan Mat Chem, B-5000 Namur, Belgium

[2] Hubei Univ, Minist Educ, Key Lab Green Preparat & Applicat Funct Mat, Wuhan 430062, Peoples R China

[3] Chinese Acad Sci, Lanzhou Inst Chem Phys, State Key Lab Solid Lubricat, Lanzhou 730000, Peoples R China

[4] Wuhan Univ Technol, State Key Lab Adv Technol Mat Synth & Proc, Wuhan 430070, Peoples R China

来源：

APPLIED PHYSICS LETTERS | 2011年 / 99卷 / 08期

关键词：

SUPERHYDROPHOBIC SURFACE; WATER;

D O I：

10.1063/1.3628457

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

A conductive superhydrophobic surface has been fabricated by a simple wetting chemical reaction, changing its wetting behaviour upon applying a very low external threshold voltage of about 0.3 V when the contact angle starts to decrease from superhydrophobic to hydrophobic. This will open up a variety of applications, such as the design of biosensors, lab-on-a-chip devices, and the controlled movement of micro-droplets with smart identification. A promising formation mechanism about electricity-driven wettability is also presented. (C) 2011 American Institute of Physics. [doi:10.1063/1.3628457]

引用

页数：3

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