期刊
JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY C-PHOTOCHEMISTRY REVIEWS
卷 12, 期 2, 页码 126-137出版社
ELSEVIER
DOI: 10.1016/j.jphotochemrev.2011.08.001
关键词
Photochromism; Dihydropyrene; Photophysics
资金
- Natural Sciences and Engineering Research Council of Canada (NSERC)
Dihydropyrenes are negative photochromes and their photophysical characterization, achieved in the past decade, is reviewed. Special emphasis is given to the theoretical background and to the experimental details which are relevant for the characterization of bi-stable systems, such as photochromic ones. In contrast to most photochromic compounds, dihydropyrenes have long lifetimes for their photoreactive excited states making it possible to tune their reactivity with the introduction of substituents. This knowledge is applicable for the design of more efficient photochromic molecules and for multichromophoric systems. (C) 2011 Elsevier B.V. All rights reserved.
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