Solid state photochromism of spiropyrans
A series of spiropyrans possessing photochromic properties in solid state were investigated. UV irradiation (λmax=365 nm) of the thin vacuum deposited spiropyran films results in conversion of the colorless form to the photocolored one. The reaction is photochemically and thermally reversible. The p...
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| Main Authors: | , , , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Wiley
2005-01-01
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| Series: | International Journal of Photoenergy |
| Online Access: | http://dx.doi.org/10.1155/S1110662X05000036 |
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| Summary: | A series of spiropyrans possessing photochromic properties in solid state were investigated.
UV irradiation
(λmax=365 nm) of the thin vacuum deposited spiropyran films results in conversion of
the colorless form to the photocolored one. The reaction is photochemically and thermally reversible. The
photochromic activity of the solid material and polystyrene matrix has been compared. Raman spectroscopy
has been used for studying the influence of metallic surface on the adsorbed spiropyran layers. |
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| ISSN: | 1110-662X |