Wide bandgap OPV polymers based on pyridinonedithiophene unit with efficiency >5%

Alexander M. Schneider; Luyao Lu; Eric F. Manley; Tianyue Zheng; Valerii Sharapov; Tao Xu; Tobin J. Marks; Lin X. Chen; Luping Yu

doi:10.1039/c5sc01427a

Wide bandgap OPV polymers based on pyridinonedithiophene unit with efficiency >5%

Alexander M. Schneider, Luyao Lu, Eric F. Manley, Tianyue Zheng, Valerii Sharapov, Tao Xu, Tobin J. Marks, Lin X. Chen^*, Luping Yu

^*Corresponding author for this work

Chemistry

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27 Scopus citations

Abstract

We report the properties of a new series of wide band gap photovoltaic polymers based on the N-alkyl 2-pyridone dithiophene (PDT) unit. These polymers are effective bulk heterojunction solar cell materials when blended with phenyl-C₇₁-butyric acid methyl ester (PC₇₁BM). They achieve power conversion efficiencies (up to 5.33%) high for polymers having such large bandgaps, ca. 2.0 eV (optical) and 2.5 eV (electrochemical). Grazing incidence wide-angle X-ray scattering (GIWAXS) reveals strong correlations between π-π stacking distance and regularity, polymer backbone planarity, optical absorption maximum energy, and photovoltaic efficiency.

Original language	English (US)
Pages (from-to)	4860-4866
Number of pages	7
Journal	Chemical Science
Volume	6
Issue number	8
DOIs	https://doi.org/10.1039/c5sc01427a
State	Published - Aug 1 2015

ASJC Scopus subject areas

Chemistry(all)

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abstract = "We report the properties of a new series of wide band gap photovoltaic polymers based on the N-alkyl 2-pyridone dithiophene (PDT) unit. These polymers are effective bulk heterojunction solar cell materials when blended with phenyl-C71-butyric acid methyl ester (PC71BM). They achieve power conversion efficiencies (up to 5.33%) high for polymers having such large bandgaps, ca. 2.0 eV (optical) and 2.5 eV (electrochemical). Grazing incidence wide-angle X-ray scattering (GIWAXS) reveals strong correlations between π-π stacking distance and regularity, polymer backbone planarity, optical absorption maximum energy, and photovoltaic efficiency.",

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T1 - Wide bandgap OPV polymers based on pyridinonedithiophene unit with efficiency >5%

AU - Schneider, Alexander M.

AU - Lu, Luyao

AU - Manley, Eric F.

AU - Zheng, Tianyue

AU - Sharapov, Valerii

AU - Xu, Tao

AU - Marks, Tobin J.

AU - Chen, Lin X.

AU - Yu, Luping

PY - 2015/8/1

Y1 - 2015/8/1

N2 - We report the properties of a new series of wide band gap photovoltaic polymers based on the N-alkyl 2-pyridone dithiophene (PDT) unit. These polymers are effective bulk heterojunction solar cell materials when blended with phenyl-C71-butyric acid methyl ester (PC71BM). They achieve power conversion efficiencies (up to 5.33%) high for polymers having such large bandgaps, ca. 2.0 eV (optical) and 2.5 eV (electrochemical). Grazing incidence wide-angle X-ray scattering (GIWAXS) reveals strong correlations between π-π stacking distance and regularity, polymer backbone planarity, optical absorption maximum energy, and photovoltaic efficiency.

AB - We report the properties of a new series of wide band gap photovoltaic polymers based on the N-alkyl 2-pyridone dithiophene (PDT) unit. These polymers are effective bulk heterojunction solar cell materials when blended with phenyl-C71-butyric acid methyl ester (PC71BM). They achieve power conversion efficiencies (up to 5.33%) high for polymers having such large bandgaps, ca. 2.0 eV (optical) and 2.5 eV (electrochemical). Grazing incidence wide-angle X-ray scattering (GIWAXS) reveals strong correlations between π-π stacking distance and regularity, polymer backbone planarity, optical absorption maximum energy, and photovoltaic efficiency.

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Wide bandgap OPV polymers based on pyridinonedithiophene unit with efficiency >5%

Abstract

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