Bithiophene imide and benzodithiophene copolymers for efficient inverted polymer solar cells

Nanjia Zhou; Xugang Guo; Rocio Ponce Ortiz; Shiqiang Li; Shiming Zhang; Robert P.H. Chang; Antonio Facchetti; Tobin J. Marks

doi:10.1002/adma.201103948

Bithiophene imide and benzodithiophene copolymers for efficient inverted polymer solar cells

Nanjia Zhou, Xugang Guo, Rocio Ponce Ortiz, Shiqiang Li, Shiming Zhang, Robert P.H. Chang, Antonio Facchetti, Tobin J. Marks

Northwestern University

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169 引用（Scopus）

摘要

Bithiophene imide (BTI) and benzodithiophene (BDT) copolymers are synthesized for application in organic photovoltaic (OPV) cells. The electron deficiency of the BTI units leads to polymers with a low-lying HOMOs (5.6 eV). Inverted solar cells are fabricated to investigate the OPV performance of the BTI-based polymers and achieve power conversion efficiencies up to 5.5%, with substantial V _ocs above 0.9 V which are among the highest V _ocs reported to date for polymer/PCBM solar cells. The results indicate that the BTI is a promising building block for constructing polymer donors for OPV applications.

源语言	英语
页（从-至）	2242-2248
页数	7
期刊	Advanced Materials
卷	24
期	17
DOI	https://doi.org/10.1002/adma.201103948
出版状态	已出版 - 2 5月 2012
已对外发布	是

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abstract = "Bithiophene imide (BTI) and benzodithiophene (BDT) copolymers are synthesized for application in organic photovoltaic (OPV) cells. The electron deficiency of the BTI units leads to polymers with a low-lying HOMOs (5.6 eV). Inverted solar cells are fabricated to investigate the OPV performance of the BTI-based polymers and achieve power conversion efficiencies up to 5.5%, with substantial V ocs above 0.9 V which are among the highest V ocs reported to date for polymer/PCBM solar cells. The results indicate that the BTI is a promising building block for constructing polymer donors for OPV applications.",

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AU - Zhou, Nanjia

AU - Guo, Xugang

AU - Ortiz, Rocio Ponce

AU - Li, Shiqiang

AU - Zhang, Shiming

AU - Chang, Robert P.H.

AU - Facchetti, Antonio

AU - Marks, Tobin J.

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N2 - Bithiophene imide (BTI) and benzodithiophene (BDT) copolymers are synthesized for application in organic photovoltaic (OPV) cells. The electron deficiency of the BTI units leads to polymers with a low-lying HOMOs (5.6 eV). Inverted solar cells are fabricated to investigate the OPV performance of the BTI-based polymers and achieve power conversion efficiencies up to 5.5%, with substantial V ocs above 0.9 V which are among the highest V ocs reported to date for polymer/PCBM solar cells. The results indicate that the BTI is a promising building block for constructing polymer donors for OPV applications.

AB - Bithiophene imide (BTI) and benzodithiophene (BDT) copolymers are synthesized for application in organic photovoltaic (OPV) cells. The electron deficiency of the BTI units leads to polymers with a low-lying HOMOs (5.6 eV). Inverted solar cells are fabricated to investigate the OPV performance of the BTI-based polymers and achieve power conversion efficiencies up to 5.5%, with substantial V ocs above 0.9 V which are among the highest V ocs reported to date for polymer/PCBM solar cells. The results indicate that the BTI is a promising building block for constructing polymer donors for OPV applications.

KW - donor-acceptor polymers

KW - imide-based polymers

KW - metal oxides

KW - morphology

KW - organic photovoltaic cells

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Bithiophene imide and benzodithiophene copolymers for efficient inverted polymer solar cells

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