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Synthesis and characterization of charge-transporting p-stacked polybenzofulvene derivatives (Articolo in rivista)

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Synthesis and characterization of charge-transporting p-stacked polybenzofulvene derivatives (Articolo in rivista) (literal)

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Andrea Cappelli, Marco Paolino, Giorgio Grisci, Germano Giuliani, Alessandro Donati, Raniero Mendichi, Antonella Caterina Boccia, Chiara Botta, Wojciech Mr?oz, Filippo Samperi, Andrea Scamporrino,cGianluca Giorgi, Salvatore Vomero (2012)
Synthesis and characterization of charge-transporting p-stacked polybenzofulvene derivatives
in Journal of materials chemistry (Print)
(literal)

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Andrea Cappelli, Marco Paolino, Giorgio Grisci, Germano Giuliani, Alessandro Donati, Raniero Mendichi, Antonella Caterina Boccia, Chiara Botta, Wojciech Mr?oz, Filippo Samperi, Andrea Scamporrino,cGianluca Giorgi, Salvatore Vomero (literal)

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Dipartimento Farmaco Chimico Tecnologico and European Research Centre for Drug Discovery and Development, Universit?a degli Studi di Siena, Via A. Moro, 53100 Siena, Italy. Istituto per lo Studio delle Macromolecole (CNR), Via E. Bassini 15, 20133 Milano, Italy Istituto di Chimica e Tecnologia dei Polimeri (CNR), Via Gaifami 18, 95125 Catania, Italy Dipartimento di Chimica, Universit?a degli Studi di Siena, Via A. Moro, 53100 Siena, Italy (literal)

Titolo

Synthesis and characterization of charge-transporting p-stacked polybenzofulvene derivatives (literal)

Abstract

Two new benzofulvene derivatives bearing two or three methoxy substituents on the benzene ring were synthesized and induced to polymerize spontaneously in order to investigate the photophysical and electronic properties of the corresponding polymers. The photophysical features of the newly synthesized polymers suggested a high degree of p-stacking both in the solid state and in diluted solutions, and the large Stokes shift was interpreted in terms of an efficient energy transfer within the excimer. Absorption and emission features in the solid state were found to be similar to those in diluted solutions and the stable PL quantum yield was considered a promising feature with regard to the potential applications of the polymers in light emitting devices. Finally, the remarkable hole mobility shown by poly-4,5,6-MO-BF3k along with the enhancing effect of the methoxy substituents in the charge mobility opens up new routes to the development of materials potentially useful in optoelectronics. (literal)

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