MISC

2007年2月13日

The movement of a water droplet on a gradient surface prepared by photodegradation

Langmuir
  • Yoshihiro Ito
  • ,
  • Mojgan Heydari
  • ,
  • Ayako Hashimoto
  • ,
  • Tomohiro Konno
  • ,
  • Ayaka Hirasawa
  • ,
  • Satomi Hori
  • ,
  • Kimio Kurita
  • ,
  • Akira Nakajima

23
4
開始ページ
1845
終了ページ
1850
記述言語
英語
掲載種別
DOI
10.1021/la0624992

A hydrophobic to hydrophilic gradient surface was prepared using the tuned photodegradation of an alkylsilane self-assembled monolayer (SAM) using irradiation of vacuum ultraviolet light (wavelength = 172 nm). The water contact angle on the photodegraded SAM surface was adjusted using the intensity and time photoirradiation parameters. The formation of a gradient was confirmed by fluorescent labeling. The water drop moved from the hydrophobic to hydrophilic surface with a velocity that depended on the gradient. The higher the gradient, the faster the water moved. For the first time, we have prepared a gradient surface using photodegradation where the movement of a water drop was regulated by the degree of gradation. Considering that the photodegradation technique can be applied to various surfaces and to lithography, this technique will be useful for various material surfaces. © 2007 American Chemical Society.

リンク情報
DOI
https://doi.org/10.1021/la0624992
CiNii Articles
http://ci.nii.ac.jp/naid/80017866299
PubMed
https://www.ncbi.nlm.nih.gov/pubmed/17279665
ID情報
  • DOI : 10.1021/la0624992
  • ISSN : 0743-7463
  • CiNii Articles ID : 80017866299
  • PubMed ID : 17279665
  • SCOPUS ID : 33947150560

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