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Action spectrum analyses of photoinduced superhydrophilicity of titania thin films on glass plates
http://hdl.handle.net/10228/2571
http://hdl.handle.net/10228/25711a4f6213-5d63-49d9-86ab-9b647f2f4d6f
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text_b.pdf (312.3 kB)
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Item type | 学術雑誌論文 = Journal Article(1) | |||||||||||
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公開日 | 2009-10-26 | |||||||||||
資源タイプ | ||||||||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||||||||
資源タイプ | journal article | |||||||||||
タイトル | ||||||||||||
タイトル | Action spectrum analyses of photoinduced superhydrophilicity of titania thin films on glass plates | |||||||||||
言語 | ||||||||||||
言語 | eng | |||||||||||
著者 |
Yan, Xiaoli
× Yan, Xiaoli× Abe, Ryu× Toyofuku, Maki× 横野, 照尚
WEKO
6794
× Ohtani, Bunsho |
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抄録 | ||||||||||||
内容記述タイプ | Abstract | |||||||||||
内容記述 | Samples of titania-thin-film-coated glass plates were prepared by spin-coating of commercial titania-coating liquids using a home-made spin coater (1000 rpm, 30 s) and then calcined in air at 673 K for 2 h. In a part of experiments, samples were stored in an oven at 393 K overnight. A piece of sample was set in a 10-mm rectangular quartz cell, and monochromatic light (FWHM of ca. 17 nm, intensity of ca. 108 einstein s− 1) was irradiated in ambient air using a grating multiple-wavelength photoirradiation instrument (Jasco CRM-FD). Water contact angle (WCA) of samples before and after monochromatic irradiation was measured by a contact angle analyzer. Changes in WCA, as a function of wavelength of monochromatic irradiation, a kind of action spectrum, of several titania samples showed that the sample surfaces became superhydrophilic, i.e., WCA became almost zero, only under irradiation with a wavelength shorter than the absorption edge, corresponding to the band gap, of samples. Analysis of changes in WCA showed that there are at least two stages when the samples stored at 393 K overnight before irradiation to give relatively high WCA of ca. 40° were used: first stage of WCA > 10° and second stage of WCA < 10°. The action spectra of WCA change in these two stages are discussed. | |||||||||||
書誌情報 |
Thin Solid Films 巻 516, 号 17, p. 5872-5876, 発行日 2008-07-01 |
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出版社 | ||||||||||||
出版者 | Elsevier | |||||||||||
DOI | ||||||||||||
関連タイプ | isVersionOf | |||||||||||
識別子タイプ | DOI | |||||||||||
関連識別子 | 10.1016/j.tsf.2007.10.033 | |||||||||||
ISSN | ||||||||||||
収録物識別子タイプ | ISSN | |||||||||||
収録物識別子 | 0040-6090 | |||||||||||
著作権関連情報 | ||||||||||||
権利情報 | Copyright © 2007 Elsevier B.V. All rights reserved. | |||||||||||
キーワード | ||||||||||||
主題Scheme | Other | |||||||||||
主題 | Titania thin film | |||||||||||
キーワード | ||||||||||||
主題Scheme | Other | |||||||||||
主題 | Spin-coating | |||||||||||
キーワード | ||||||||||||
主題Scheme | Other | |||||||||||
主題 | Photoinduced superhydrophilicity | |||||||||||
キーワード | ||||||||||||
主題Scheme | Other | |||||||||||
主題 | Water contact angle | |||||||||||
キーワード | ||||||||||||
主題Scheme | Other | |||||||||||
主題 | Photocatalytic reaction | |||||||||||
出版タイプ | ||||||||||||
出版タイプ | AM | |||||||||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa | |||||||||||
査読の有無 | ||||||||||||
値 | yes | |||||||||||
業績ID | ||||||||||||
01D54B9DC3AC91D34925764000105E86 | ||||||||||||
著者別名 | ||||||||||||
姓名 | Ohno, Teruhisa | |||||||||||
言語 | en | |||||||||||
姓名 | 横野, 照尚 | |||||||||||
言語 | ja | |||||||||||
姓名 | オウノ, テルヒサ | |||||||||||
言語 | ja-Kana | |||||||||||
情報源 | ||||||||||||
識別子タイプ | URI | |||||||||||
関連識別子 | http://www.sciencedirect.com/science/journal/00406090 | |||||||||||
関連名称 | http://www.sciencedirect.com/science/journal/00406090 |