کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
28121 | 44060 | 2009 | 5 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Photochromic properties of cationic oxazolylfulgimides in hydroxylic media
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موضوعات مرتبط
مهندسی و علوم پایه
مهندسی شیمی
بیو مهندسی (مهندسی زیستی)
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چکیده انگلیسی
Water-soluble cationic oxazolylfulgimides have been prepared to examine their photochromic properties in neutral aqueous solution and hydroxylic solid films. Introduction of the electron-withdrawing cationic substituents led to large shifts of the electronic transitions and significant changes in the photochromic response rates. In bare films of solid poly(vinyl alcohol) and κ-carrageenan gel exposed to the air, high photochemical reversibilities were found. Though extensive photochemical and thermal degradations occurred in bare Nafion film, they were substantially depressed by sealing the surface with PVA film.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Photochemistry and Photobiology A: Chemistry - Volume 203, Issues 2–3, 15 April 2009, Pages 161–165
Journal: Journal of Photochemistry and Photobiology A: Chemistry - Volume 203, Issues 2–3, 15 April 2009, Pages 161–165
نویسندگان
Yoshiumi Kohno, Yuuki Tamura, Ryoka Matsushima,