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Photochromism in spiropyran impregnated fluorinated mesoporous organosilicate films

Published online by Cambridge University Press:  03 March 2011

Jae Young Bae ,
Ji-In Jung  and
Byeong-Soo Bae
Jae Young Bae
Affiliation:
Laboratory of Optical Materials and Coating (LOMC), Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 305-701, Republic of Korea
Ji-In Jung
Affiliation:
Laboratory of Optical Materials and Coating (LOMC), Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 305-701, Republic of Korea
Byeong-Soo Bae*
Affiliation:
Laboratory of Optical Materials and Coating (LOMC), Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 305-701, Republic of Korea
*
a)Address all correspondence to this author. e-mail: bsbae@kaist.ac.kr
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Abstract

Fluorinated mesoporous organosilicate films were synthesized by sol-gel spin-coating on a quartz substrate using (heptadecafluorodecyl)trimethoxysilane, tetramethylorthosilicate, and n-cetyltrimethylammonium chloride as the fluoro-precursor, silica source, and supramolecular template, respectively. The photochromism efficiency of photochromic dyes (spiropyran) increases in the order non-porous < hexagonal mesoporous < fluorinated mesoporous organosilicate films. The relatively high efficiency of the photochromism of spiropyran in fluorinated mesoporous organosilicate films suggests that such films are promising materials for applications as optical shutters and light modulators.

Keywords

Sol-gelThin filmPhotochemical
Type
Articles
Information
Journal of Materials Research , Volume 19 , Issue 8 , August 2004 , pp. 2503 - 2509
Copyright
Copyright © Materials Research Society 2004

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