Photochromism in spiropyran impregnated fluorinated mesoporous organosilicate films

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.
Publisher
MATERIALS RESEARCH SOC
Issue Date
2004-08
Language
ENG
Keywords

SILICA FILMS; ERBIUM 8-HYDROXYQUINOLINATE; PHOTOLUMINESCENCE; METHYLPHENOTHIAZINE; PHOTOIONIZATION; LAMELLAR; BEHAVIOR

Citation

JOURNAL OF MATERIALS RESEARCH, v.19, no.8, pp.2503 - 2509

ISSN
0884-2914
DOI
10.1557/JMR.2004.0315
URI
http://hdl.handle.net/10203/988
Appears in Collection
MS-Journal Papers(저널논문)
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