Photochromic Evaporated Films of Spiropyrans with Long Alkyl Chains
- 1 November 1985
- journal article
- Published by IOP Publishing in Japanese Journal of Applied Physics
- Vol. 24 (11R)
- https://doi.org/10.1143/jjap.24.1436
Abstract
Organic thin films consisting of spiropyrans with long alkyl chains were prepared by evaporation. These films crystallized immediately or gradually in an ambient atmosphere. It has been demonstrated that introduction of long alkyl chains is an effective way to obtain transparent and smooth films by evaporation and that reversible photo-isomerization, a kind of on-off switching, is performed in the films.Keywords
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