Issue 19, 2013
From the journal:

RSC Advances

Tuning the properties of an anthracene-based PPE-PPV copolymer by fine variation of its macromolecular parameters

Francesca Tinti,a   Fedlu K. Sabir,ab   Massimo Gazzano,a   Sara Righi,c   Christoph Ulbricht,d   Özlem Usluer,d   Veronika Pokorna,e   Vera Cimrova,e   Teketel Yohannes,b   Daniel A. M. Egbe*d  and  Nadia Camaioni*a  

* Corresponding authors

a Istituto per la Sintesi Organica e la Fotoreattività, Consiglio Nazionale delle Ricerche, via P. Gobetti 101, I-40129 Bologna, Italy
E-mail: nadia.camaioni@isof.cnr.it

b Department of Chemistry, University of Addis Ababa, P.O. Box 1176, Addis Ababa, Ethiopia

c Laboratorio di Micro e Submicro Tecnologie Abilitanti per l′Emilia Romagna (MIST E-R S.C.R.L.), via P. Gobetti 101, Italy

d Linz Institute for Organic Solar Cells (LIOS), Johannes Kepler University Linz, Altenbergerstr. 69, Austria
E-mail: daniel_ayuk_mbi.egbe@jku.at

e Institute of Macromolecular Chemistry, Academy of Sciences of the Czech Republic, Heyrovsky Sq. 2, Czech Republic

Abstract

The effects of a moderate variation of the molecular weight on the optical, structural, morphological and transport properties of an anthracene-containing PPE-PPV copolymer are investigated, as well as their overall implication on the photovoltaic parameters of bulk-heterojunction solar cells. Just a two-fold variation in the molecular weight is enough to induce appreciable changes in the properties of the investigated polymer films, indicating that a fine tuning of the macromolecular parameters is required for the optimization of the properties of polydispersed molecular systems. A remarkable role of the polydispersity index in the organization of polymer chains, thus reflecting in the electronic properties of the polymer films, is observed.

Graphical abstract: Tuning the properties of an anthracene-based PPE-PPV copolymer by fine variation of its macromolecular parameters

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Article information

DOI
https://doi.org/10.1039/C3RA22967J
Article type
Paper
Submitted
20 Nov 2012
Accepted
18 Feb 2013
First published
19 Feb 2013

RSC Adv., 2013,3, 6972-6980

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Tuning the properties of an anthracene-based PPE-PPV copolymer by fine variation of its macromolecular parameters

F. Tinti, F. K. Sabir, M. Gazzano, S. Righi, C. Ulbricht, Ö. Usluer, V. Pokorna, V. Cimrova, T. Yohannes, D. A. M. Egbe and N. Camaioni, RSC Adv., 2013, 3, 6972 DOI: 10.1039/C3RA22967J

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