Bulk heterojunctions based on a low band gap copolymer of thiophene and benzothiadiazole

Eva Bundgaard; S.E. Shaheen; Frederik C Krebs; D.S. Ginley

doi:10.1016/j.solmat.2007.05.013

Bulk heterojunctions based on a low band gap copolymer of thiophene and benzothiadiazole

Eva Bundgaard, S.E. Shaheen, Frederik C Krebs, D.S. Ginley

Research output: Contribution to journal › Journal article › Research › peer-review

Abstract

We report on the incorporation of a low band gap copolymer based on thiophene and benzothiadiazole with a band gap of 1.65 eV into a bulk heterojunction device with the structure ITO/PEDOT:PSS/polymer:PCBM/Al. We have investigated the effects of process variable, including choice of solvent, polymer concentration and annealing temperature, on the photovoltaic device performance. The devices show spectral response down to the absorption edge of 1.65 eV and exhibit an efficiency of 1% under AM 1.5 illumination and a peak external quantum efficiency of 18 % at 600 nm. (c) 2007 Elsevier B.V. All rights reserved.

Original language	English
Journal	Solar Energy Materials & Solar Cells
Volume	91
Issue number	17
Pages (from-to)	1631-1637
ISSN	0927-0248
DOIs	https://doi.org/10.1016/j.solmat.2007.05.013
Publication status	Published - 2007

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title = "Bulk heterojunctions based on a low band gap copolymer of thiophene and benzothiadiazole",

abstract = "We report on the incorporation of a low band gap copolymer based on thiophene and benzothiadiazole with a band gap of 1.65 eV into a bulk heterojunction device with the structure ITO/PEDOT:PSS/polymer:PCBM/Al. We have investigated the effects of process variable, including choice of solvent, polymer concentration and annealing temperature, on the photovoltaic device performance. The devices show spectral response down to the absorption edge of 1.65 eV and exhibit an efficiency of 1% under AM 1.5 illumination and a peak external quantum efficiency of 18 % at 600 nm. (c) 2007 Elsevier B.V. All rights reserved. ",

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AU - Bundgaard, Eva

AU - Shaheen, S.E.

AU - Krebs, Frederik C

AU - Ginley, D.S.

PY - 2007

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AB - We report on the incorporation of a low band gap copolymer based on thiophene and benzothiadiazole with a band gap of 1.65 eV into a bulk heterojunction device with the structure ITO/PEDOT:PSS/polymer:PCBM/Al. We have investigated the effects of process variable, including choice of solvent, polymer concentration and annealing temperature, on the photovoltaic device performance. The devices show spectral response down to the absorption edge of 1.65 eV and exhibit an efficiency of 1% under AM 1.5 illumination and a peak external quantum efficiency of 18 % at 600 nm. (c) 2007 Elsevier B.V. All rights reserved.

KW - Energiteknologier på vej

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DO - 10.1016/j.solmat.2007.05.013

M3 - Journal article

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JO - Solar Energy Materials & Solar Cells

JF - Solar Energy Materials & Solar Cells

IS - 17

ER -

Bulk heterojunctions based on a low band gap copolymer of thiophene and benzothiadiazole

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