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- Title
Amplified two-photon absorption in trans-A2B2-porphyrins bearing nitrophenylethynyl substituents.
- Authors
Nowak-Król, Agnieszka; Wilson, Craig J; Drobizhev, Mikhail; Kondratuk, Dmitry V; Rebane, Aleksander; Anderson, Harry L; Gryko, Daniel T
- Abstract
We show that peripheral nitro groups enhance the maximum two-photon absorption cross-section of trans-A(2)B(2)-porphyrins bearing two phenylethynyl substituents by more than one order of magnitude. Maximum values as high as 1000 GM result from realization of suitable conditions for effective resonance enhancement along with a lowering of the energy and intensification of the two-photon allowed transitions in the Soret region.
- Publication
Chemphyschem : a European journal of chemical physics and physical chemistry, 2012, Vol 13, Issue 17, p3966
- ISSN
1439-7641
- Publication type
Journal Article
- DOI
10.1002/cphc.201200507