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]
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页数：3
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