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Agnieszka Nowak-Król, Dr. Craig J. Wilson, Dr. Mikhail Drobizhev, Dmitry V. Kondratuk, Prof. Aleksander Rebane, Prof. Harry L. Anderson and Prof. Daniel T. Gryko Amplified Two-Photon Absorption in Trans-A2B2-Porphyrins Bearing Nitrophenylethynyl Substituents ChemPhysChem 13

Version of Record online: 25 SEP 2012 | DOI: 10.1002/cphc.201200507

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Enhanced absorption: As a result 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, peripheral nitro groups enhance the maximum two-photon absorption cross-section of trans-A2B2-porphyrins bearing two phenylethynyl substituents by more than one order of magnitude.

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