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Design, Synthesis and Properties of Low Band Gap Polyfluorenes for Photovoltaic Devices

Erik Perzon (Institutionen för kemi- och bioteknik, Polymerteknologi) ; Xiangjun Wang ; Fengling Zhang ; Wendimagegn Mammo ; Juan Luis Delgado ; Pilar de la Cruz ; Olle Inganaes ; Fernando Langa ; Mats R. Andersson (Institutionen för kemi- och bioteknik, Polymerteknologi)
Synthetic Metals Vol. 154 (2005), 1-3, p. 53-56.
[Konferensbidrag, refereegranskat]

Two alternating polyfluorene-polythiophene copolymers contg. different low band gap 4,7-di-2-thienyl-2,1,3-benzothiadiazole-5,6-diamine segments were designed and synthesized for use in optoelectronic devices. The low band gap segments consist of electron donating and accepting moieties which induce a partial charge transfer in the polymer backbone and thereby, a lower band gap. The obtained polyfluorenes, APFO-Green1 and APFO-Green2, were studied by measuring optical absorption and emission at extended wavelengths. Blends of the polyfluorenes with fullerene derivs. exhibit unprecedented photovoltaic response at long wavelengths. [on SciFinder (R)]


Denna post skapades 2006-08-25.
CPL Pubid: 11718


Institutioner (Chalmers)

Institutionen för kemi- och bioteknik, Polymerteknologi (2005-2014)



Chalmers infrastruktur

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