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Jessop, I. A., Diaz, F. R., Terraza, C. A., Tundidor-Camba, A., Leiva, A., Cattin, L. & Bernede, J.-C. (2018) PANI Branches onto Donor-Acceptor Copolymers: Synthesis, Characterization and Electroluminescent Properties of New 2D-Materials. Polymers, 10 553. 
Added by: Richard Baschera (2018-07-17 08:58:09)   Last edited by: Richard Baschera (2018-07-24 13:06:36)
Type de référence: Article
DOI: 10.3390/polym10050553
Numéro d'identification (ISBN etc.): 2073-4360
Clé BibTeX: Jessop2018
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Créateurs: Bernede, Cattin, Diaz, Jessop, Leiva, Terraza, Tundidor-Camba
Collection: Polymers
Consultations : 2/319
Indice de consultation : 3%
Indice de popularité : 0.75%
A new series of two-dimensional statistical conjugated polymers based on aniline and 9,9-dihexylfluorene as donor units and benzo- or naphtho-quinoxaline/thiadiazole derivatives as acceptor moieties, possessing PANI segments as side chains, were designed and synthesized. To investigate the effects of the perpendicular PANI branches on the properties of the main chain, the optical, electrochemical, morphological and electroluminescence properties were studied. The 2D materials tend to possess lower molecular weights and to absorb and to emit light red-shifted compared to the trunk 1D-polymers, in the yellow-red region of the visible spectrum. The 1D- and 2D-conjugated polymers present optical band gaps ranging from 2.15-2.55 eV, HOMO energy levels between -5.37 and -5.60 eV and LUMO energy levels between -3.02 and -3.29 eV. OLED devices based on these copolymers were fabricated. Although the performances were far from optimal due to the high turn-on voltages for which electroluminescence phenomena occur, a maximum luminescence of 55,100 cd/m(2) together with a current density of 65 mA/cm(2) at 18.5 V were recorded for a 2D-copolymer, PAFC6TBQ-PANI.
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