Wettability conversion on ZnO nanowire arrays surface modified by oxygen plasma treatment and annealing

被引：70
|
作者：
Meng, XQ
Zhao, DX
Zhang, JY
Shen, DZ
Lu, YM
Dong, L
Xiao, ZY
Liu, YC
Fan, XW
机构：
[1] Chinese Acad Sci, Changchun Inst Opt Fine Mech & Phys, Key Lab Excited State Proc, Changchun 13033, Peoples R China
[2] Chinese Acad Sci, Grad Sch, Beijing 100864, Peoples R China
[3] NE Normal Univ, Ctr Adv Optoelect Funct Mat Res, Changchun 130024, Peoples R China
来源：
CHEMICAL PHYSICS LETTERS | 2005年 / 413卷 / 4-6期
基金：
中国国家自然科学基金;
关键词：
D O I：
10.1016/j.cplett.2005.08.039
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The ZnO nanowire arrays were synthesized by a simple vapor-solid process. Wettability of nanowire arrays was studied by measuring contact angle. Under both oxygen plasma treatment and annealing at O-2 atmosphere, the wettability of nanowire arrays changed from hydrophobic to super-hydrophilic. By measuring the photolummescence spectra of modified samples, we affirm that the wettability conversion is not due to oxygen vacancies. It is thought that the oxygen related surface defect is the main reason to make this kind of change. (c) 2005 Elsevier B.V. All rights reserved.
引用
收藏
页码：450 / 453
页数：4
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