Issue 75, 2013
From the journal:

Chemical Communications

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

Agnieszka Nowak-Król,a   Marek Grzybowski,a   Jerzy Romiszewski,b   Mikhail Drobizhev,c   Geoffrey Wicks,c   Maciej Chotkowski,b   Aleksander Rebane,*cd   Ewa Górecka*b  and  Daniel T. Gryko*a  

* Corresponding authors

a Institute of Organic Chemistry of the Polish Academy of Sciences, 01-224 Warsaw, Poland
E-mail: dtgryko@icho.edu.pl
Fax: +48 22 6326681
Tel: +48 22 3433063

b Warsaw University, Faculty of Chemistry, 00-273 Warsaw, Poland
Fax: +48 22 6282741
Tel: +48 22 2345801

c Department of Physics, Montana State University, Bozeman, MT 59717, USA
E-mail: rebane@physics.montana.edu
Fax: +1 406 994 4452
Tel: +1 406 994 7831

d National Institute of Chemical Physics and Biophysics, Tallinn 12618, Estonia
Fax: +372 670 3662
Tel: +372 639 8300

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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Article information

DOI
https://doi.org/10.1039/C3CC44728F
Article type
Communication
Submitted
24 Jun 2013
Accepted
17 Jul 2013
First published
22 Jul 2013

Chem. Commun., 2013,49, 8368-8370

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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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