Fluorine-induced J-aggregation enhances emissive properties of a new NLO push–pull chromophore

Chiara Botta; Elena Cariati; Gabriella Cavallo; Valentina Dichiarante; Alessandra Forni; Pierangelo Metrangolo; Tullio Pilati; Giuseppe Resnati; Stefania Righetto; Giancarlo Terraneo; Elisa Tordin

doi:10.1039/C4TC00665H

Fluorine-induced J-aggregation enhances emissive properties of a new NLO push–pull chromophore†

Chiara Botta,*^a Elena Cariati,*^b Gabriella Cavallo,^c Valentina Dichiarante,^c Alessandra Forni,*^d Pierangelo Metrangolo,*^c Tullio Pilati,^c Giuseppe Resnati,*^c Stefania Righetto,^b Giancarlo Terraneo^c and Elisa Tordin^b

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* Corresponding authors

^a ISMAC-CNR, via Bassini 15, 20133 Milan, Italy
E-mail: chiara.botta@ismac.cnr.it
Fax: +39 02 7063 6400
Tel: +39 02 2369 9734

^b Dept. Chemistry and INSTM UdR Milano, University of Milan, via Golgi 19, I-20133 Milan, Italy
E-mail: elena.cariati@unimi.it
Fax: +39 02 5031 4405
Tel: +39 02 5031 4370

^c NFMLab, DCMIC, Politecnico di Milano, via Mancinelli 7, 20131 Milan, Italy
E-mail: pierangelo.metrangolo@polimi.it, giuseppe.resnati@polimi.it
Fax: +39 02 2399 3180
Tel: +39 02 2399 3041

^d ISTM-CNR, University of Milan, via Golgi 19, I-20133 Milan, Italy
E-mail: alessandra.forni@istm.cnr.it
Fax: +39 02 5031 4300
Tel: +39 02 5031 4273

Abstract

A new fluorinated push–pull chromophore with good second-order NLO properties even in concentrated solution shows solid state intermolecular aryl–fluoroaryl interactions leading to J-aggregates with intense solid state luminescence.

Journal of Materials Chemistry C

Fluorine-induced J-aggregation enhances emissive properties of a new NLO push–pull chromophore†

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Fluorine-induced J-aggregation enhances emissive properties of a new NLO push–pull chromophore

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