have been synthesized and characterized. The bis-(2-thienyl)maleimide unit has been copolymerized with different aromatic comonomers. Stille coupling polymerizations under various conditions have been utilized. The copolymers were then characterized by size-exclusion chromatography and their optical and electronic properties were investigated by UV-Vis absorption spectroscopy and cyclic voltammetry. All maleimide based copolymers shared similar LUMO energy levels, which are largely determined by the acceptor moiety, and are close to that of PC61BM to be effective for charge dissociation. These low band gap polymers have been tested for photovoltaic applications and have shown moderate photovoltaic performance. Interesting results were obtained by adding the polymer to the P3HT:PC61BM mixture, as a third component. The ternary blend BHJ solar cells showed power conversion efficiencies of 35% exceeding those of the corresponding binary blends.

Gironda, R., Miozzo, L., Tondelier, D., Chaigneau, M., Ghabboun, J., Faroun, M., et al. (2013). Functional conjugated polymers based on maleimide for photovoltaic applications. ORGANIC PHOTONICS AND PHOTOVOLTAICS, 1, 56-66 [10.2478/oph-2013-0004].

Functional conjugated polymers based on maleimide for photovoltaic applications

PAPAGNI, ANTONIO;SALAMONE, MATTEO MARCO;RUFFO, RICCARDO;
2013

Abstract

have been synthesized and characterized. The bis-(2-thienyl)maleimide unit has been copolymerized with different aromatic comonomers. Stille coupling polymerizations under various conditions have been utilized. The copolymers were then characterized by size-exclusion chromatography and their optical and electronic properties were investigated by UV-Vis absorption spectroscopy and cyclic voltammetry. All maleimide based copolymers shared similar LUMO energy levels, which are largely determined by the acceptor moiety, and are close to that of PC61BM to be effective for charge dissociation. These low band gap polymers have been tested for photovoltaic applications and have shown moderate photovoltaic performance. Interesting results were obtained by adding the polymer to the P3HT:PC61BM mixture, as a third component. The ternary blend BHJ solar cells showed power conversion efficiencies of 35% exceeding those of the corresponding binary blends.
Articolo in rivista - Articolo scientifico
polymers, organic photovoltaics
English
31-dic-2013
1
56
66
none
Gironda, R., Miozzo, L., Tondelier, D., Chaigneau, M., Ghabboun, J., Faroun, M., et al. (2013). Functional conjugated polymers based on maleimide for photovoltaic applications. ORGANIC PHOTONICS AND PHOTOVOLTAICS, 1, 56-66 [10.2478/oph-2013-0004].
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/10281/51044
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