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An alternating low band-gap polyfluorene for optoelectronic devices

Erik Perzon (Institutionen för kemi- och bioteknik, Polymerteknologi) ; Xiangjun Wang ; Shielis Admassie ; Olle Inganaes ; Mats R. Andersson (Institutionen för kemi- och bioteknik, Polymerteknologi)
Polymer Vol. 47 (2006), 12, p. 4261-4268.
[Artikel, refereegranskad vetenskaplig]

An alternating polyfluorene (APFO) with low band-gap segments. APFO-Green1, was synthesized for use in optoelectronic devices. The low band-gap segment consists of an electron acceptor (A), fenced by electron donors (D). This D-A-D configuration leads to partial charge transfer in the polymer backbone and a low band-gap of 1.3 eV. Characterization of APFO-Green1 include measurement of light absorption and emission at extended wavelengths and high hole mobility was found. Blends of the polymer with different fullerene derivs. exhibit unusually high photovoltaic performance at long wavelengths, making this type of conjugated polymers promising for application in plastic solar cells. [on SciFinder (R)]

Nyckelord: Band gap, Solar cells (alternating low band-gap polyfluorene for solar cells), Polymers Role: DEV (Device component use), PRP (Properties), SPN (Synthetic preparation), PREP (Preparation), USES (Uses) (conjugated, alternating low band-gap polyfluorene for solar cells), alternating band gap polyfluorene optoelectronic device, AFPO Green1 synthesis fullerene blend solar cell



Denna post skapades 2007-01-12.
CPL Pubid: 25410

 

Institutioner (Chalmers)

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

Ämnesområden

Makromolekylfysik
Polymerkemi

Chalmers infrastruktur

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Low Band-Gap Conjugated Polymers for Plastic Solar Cells