New fused bis-thienobenzothienothiophene copolymers and their use in organic solar cells and transistors

Laure Biniek; Bob C. Schroeder; Jenny E. Donaghey; Nir Yaacobi-Gross; Raja Shahid Ashraf; Ying W. Soon; Christian B. Nielsen; James R. Durrant; Thomas D. Anthopoulos; Iain McCulloch

doi:10.1021/ma302390z

New fused bis-thienobenzothienothiophene copolymers and their use in organic solar cells and transistors

Laure Biniek, Bob C. Schroeder, Jenny E. Donaghey, Nir Yaacobi-Gross, Raja Shahid Ashraf, Ying W. Soon, Christian B. Nielsen, James R. Durrant, Thomas D. Anthopoulos, Iain McCulloch

Research output: Contribution to journal › Article › peer-review

41 Scopus citations

Abstract

A new tetradodecyl-substituted DTBTBT donor unit is synthesized by a specific bis-annulation via Suzuki-Miyaura coupling and successfully incorporated into light absorbing electron donor copolymers for OPV and hole and electron transport OFET polymer devices. All copolymers (DTBTBT-co- benzothiadiazole (Bz), DTBTBT-co-thiophene (T) and DTBTBT-co-thienothiophene (TT)) show fully coplanar backbones and strong intermolecular interactions. The DTBTBT-Bz copolymer led to a deep HOMO level (-5.2 eV) and thus a large V _oc value of 0.92 V with PC₇₁BM as electron acceptor and a PCE of 3.7% with a J_sc of 6.78 mA/cm² could be obtained. A hole mobility of 0.1 cm²/(V s) has been observed for the highly coplanar and more crystalline DTBTBT-T copolymer.

Original language	English (US)
Pages (from-to)	727-735
Number of pages	9
Journal	Macromolecules
Volume	46
Issue number	3
DOIs	https://doi.org/10.1021/ma302390z
State	Published - Feb 12 2013
Externally published	Yes

All Science Journal Classification (ASJC) codes

Organic Chemistry
Polymers and Plastics
Inorganic Chemistry
Materials Chemistry

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10.1021/ma302390z

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title = "New fused bis-thienobenzothienothiophene copolymers and their use in organic solar cells and transistors",

abstract = "A new tetradodecyl-substituted DTBTBT donor unit is synthesized by a specific bis-annulation via Suzuki-Miyaura coupling and successfully incorporated into light absorbing electron donor copolymers for OPV and hole and electron transport OFET polymer devices. All copolymers (DTBTBT-co- benzothiadiazole (Bz), DTBTBT-co-thiophene (T) and DTBTBT-co-thienothiophene (TT)) show fully coplanar backbones and strong intermolecular interactions. The DTBTBT-Bz copolymer led to a deep HOMO level (-5.2 eV) and thus a large V oc value of 0.92 V with PC71BM as electron acceptor and a PCE of 3.7% with a Jsc of 6.78 mA/cm2 could be obtained. A hole mobility of 0.1 cm2/(V s) has been observed for the highly coplanar and more crystalline DTBTBT-T copolymer.",

author = "Laure Biniek and Schroeder, {Bob C.} and Donaghey, {Jenny E.} and Nir Yaacobi-Gross and Ashraf, {Raja Shahid} and Soon, {Ying W.} and Nielsen, {Christian B.} and Durrant, {James R.} and Anthopoulos, {Thomas D.} and Iain McCulloch",

year = "2013",

month = feb,

day = "12",

doi = "10.1021/ma302390z",

language = "English (US)",

volume = "46",

pages = "727--735",

journal = "Macromolecules",

issn = "0024-9297",

publisher = "American Chemical Society",

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T1 - New fused bis-thienobenzothienothiophene copolymers and their use in organic solar cells and transistors

AU - Biniek, Laure

AU - Schroeder, Bob C.

AU - Donaghey, Jenny E.

AU - Yaacobi-Gross, Nir

AU - Ashraf, Raja Shahid

AU - Soon, Ying W.

AU - Nielsen, Christian B.

AU - Durrant, James R.

AU - Anthopoulos, Thomas D.

AU - McCulloch, Iain

PY - 2013/2/12

Y1 - 2013/2/12

N2 - A new tetradodecyl-substituted DTBTBT donor unit is synthesized by a specific bis-annulation via Suzuki-Miyaura coupling and successfully incorporated into light absorbing electron donor copolymers for OPV and hole and electron transport OFET polymer devices. All copolymers (DTBTBT-co- benzothiadiazole (Bz), DTBTBT-co-thiophene (T) and DTBTBT-co-thienothiophene (TT)) show fully coplanar backbones and strong intermolecular interactions. The DTBTBT-Bz copolymer led to a deep HOMO level (-5.2 eV) and thus a large V oc value of 0.92 V with PC71BM as electron acceptor and a PCE of 3.7% with a Jsc of 6.78 mA/cm2 could be obtained. A hole mobility of 0.1 cm2/(V s) has been observed for the highly coplanar and more crystalline DTBTBT-T copolymer.

AB - A new tetradodecyl-substituted DTBTBT donor unit is synthesized by a specific bis-annulation via Suzuki-Miyaura coupling and successfully incorporated into light absorbing electron donor copolymers for OPV and hole and electron transport OFET polymer devices. All copolymers (DTBTBT-co- benzothiadiazole (Bz), DTBTBT-co-thiophene (T) and DTBTBT-co-thienothiophene (TT)) show fully coplanar backbones and strong intermolecular interactions. The DTBTBT-Bz copolymer led to a deep HOMO level (-5.2 eV) and thus a large V oc value of 0.92 V with PC71BM as electron acceptor and a PCE of 3.7% with a Jsc of 6.78 mA/cm2 could be obtained. A hole mobility of 0.1 cm2/(V s) has been observed for the highly coplanar and more crystalline DTBTBT-T copolymer.

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DO - 10.1021/ma302390z

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JO - Macromolecules

JF - Macromolecules

IS - 3

ER -

New fused bis-thienobenzothienothiophene copolymers and their use in organic solar cells and transistors

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