Improved hydrophilicity of zinc oxide-incorporated layer-by-layer polyelectrolyte film fabricated by dip coating method

被引：11
作者：
Charinpanitkul, T. [1 ]
Suthabanditpong, W. [1 ,2 ]
Watanabe, H. [2 ]
Shirai, T. [2 ]
Faungnawakij, K. [3 ]
Viriya-empikul, N. [3 ]
Fuji, M. [2 ]
机构：
[1] Chulalongkorn Univ, Fac Engn, Ctr Excellence Particle Technol, Bangkok, Thailand
[2] Nagoya Inst Technol, Ceram Res Lab, Nagoya, Aichi, Japan
[3] Natl Sci & Technol Dev Agcy, Natl Nanotechnol Ctr NANOTEC, Pathum Thani, Thailand
来源：
JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY | 2012年 / 18卷 / 04期
关键词：
ZnO; Polyelectrolyte; Layer-by-layer; Hydrophilicity; Water contact angle; ZNO THIN-FILMS; SOL; GROWTH;
D O I：
10.1016/j.jiec.2012.02.003
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
ZnO nanoparticles suspended in poly(acrylic acid) (PAA) were deposited onto layer-by-layer (LBL) polyelectrolyte (PET) films fabricated from poly(allylamine hydrochloride) (PAH) and PAA by dip coating method. Effect of etching time and concentration of ZnO suspension on hydrophilicity of the LBL-PET films before and after UV irradiation was examined using water contact angle measurement. 2.0 M PAH/PAA solutions with a dipping speed of 3.0 cm/min provided stable LBL-PET films with thickness sufficient for HCl etching. Glass substrates with the etched LBL-PET film dipped into 0.2 wt.% ZnO suspension exhibited the contact angle of 10 degrees after irradiated by UV for 60 min. (C) 2012 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.
引用
收藏
页码：1441 / 1445
页数：5
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