可见光诱导氮取代二氧化钛薄膜的亲水性
Visible-light induced hydrophilicity on nitrogen-substituted titanium dioxide films.
作者信息
Irie Hiroshi, Washizuka Seitaro, Yoshino Norio, Hashimoto Kazuhito
机构信息
RCAST, The University of Tokyo, 4-6-1 Komaba, Meguro-ku, Tokyo 153-8904, Japan.
出版信息
Chem Commun (Camb). 2003 Jun 7(11):1298-9. doi: 10.1039/b302975a.
DOI:10.1039/b302975a
PMID:12809239
Abstract
Nitrogen-substituted titanium dioxide thin films were found to undergo hydrophilic conversion under irradiation with visible light. The hydrophilicity was enhanced by increasing the degree of nitrogen substitution at oxygen sites. The water contact angle for the thin film with the greatest hydrophilicity, TiO1.9884N0.0116, changed from 20 degrees to 6 degrees following irradiation.
摘要
研究发现，氮取代二氧化钛薄膜在可见光照射下会发生亲水化转变。通过增加氧位点处的氮取代程度，亲水性得到增强。亲水性最强的薄膜TiO1.9884N0.0116在照射后，其水接触角从20度变为6度。
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