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Amplified two-photon absorption in trans-A2B2-porphyrins bearing nitrophenylethynyl substituents.

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 status:
Published

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Publisher copy:
10.1002/cphc.201200507

Authors


Nowak-Król, A More by this author
Wilson, CJ More by this author
Drobizhev, M More by this author
Kondratuk, DV More by this author
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Journal:
Chemphyschem : a European journal of chemical physics and physical chemistry
Volume:
13
Issue:
17
Pages:
3966-3972
Publication date:
2012-12-05
DOI:
EISSN:
1439-7641
ISSN:
1439-4235
URN:
uuid:1a8b74c7-586b-4e63-869d-86d6ebef111b
Source identifiers:
368126
Local pid:
pubs:368126

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