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Issue 75, 2013
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Strong two-photon absorption enhancement in a unique bis-porphyrin bearing a diketopyrrolopyrrole unit

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Abstract

A π-extended bis-porphyrin bridged via a diketopyrrolopyrrole unit was prepared in 5 steps. This fully conjugated π-system displays strongly distorted linear absorption, while its two-photon absorption cross-section reaches 2500–3000 GM at 940 nm. LC-like behaviour, easy orientation and low viscosity are, according to XRD, POM and DSC measurements, due to formation of plastic rather than a liquid crystal.

Graphical abstract: Strong two-photon absorption enhancement in a unique bis-porphyrin bearing a diketopyrrolopyrrole unit

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Supplementary files

Article information


Submitted
24 Jun 2013
Accepted
17 Jul 2013
First published
22 Jul 2013

Chem. Commun., 2013,49, 8368-8370
Article type
Communication

Strong two-photon absorption enhancement in a unique bis-porphyrin bearing a diketopyrrolopyrrole unit

A. Nowak-Król, M. Grzybowski, J. Romiszewski, M. Drobizhev, G. Wicks, M. Chotkowski, A. Rebane, E. Górecka and D. T. Gryko, Chem. Commun., 2013, 49, 8368 DOI: 10.1039/C3CC44728F

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