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Fused Cyclopentadithienothiophene Acceptor Enables Ultrahigh Short‐Circuit Current and High Efficiency >11% in As‐Cast Organic Solar Cells

Qiao He, Munazza Shahid, Jiaying Wu, Xuechen Jiao, Flurin D. Eisner, Thomas Hodsden, Zhuping Fei, Thomas D. Anthopoulos, Christopher R. McNeill, James Durrant Orcid Logo, Martin Heeney

Advanced Functional Materials, Start page: 1904956

Swansea University Author: James Durrant Orcid Logo

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DOI (Published version): 10.1002/adfm.201904956

Abstract

A new method to synthesize an electron‐rich building block cyclopentadithienothiophene (9H‐thieno‐[3,2‐b]thieno[2″,3″:4′,5′]thieno[2′,3′:3,4]cyclopenta[1,2‐d]thiophene, CDTT) via a facile aromatic extension strategy is reported. By combining CDTT with 1,1‐dicyanomethylene‐3‐indanone endgroups, a pro...

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Published in: Advanced Functional Materials
ISSN: 1616-301X 1616-3028
Published: 2019
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URI: https://cronfa.swan.ac.uk/Record/cronfa51480
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first_indexed 2019-08-19T15:29:40Z
last_indexed 2019-10-07T20:22:14Z
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spelling 2019-10-07T15:18:12.2894379 v2 51480 2019-08-19 Fused Cyclopentadithienothiophene Acceptor Enables Ultrahigh Short‐Circuit Current and High Efficiency >11% in As‐Cast Organic Solar Cells f3dd64bc260e5c07adfa916c27dbd58a 0000-0001-8353-7345 James Durrant James Durrant true false 2019-08-19 MTLS A new method to synthesize an electron‐rich building block cyclopentadithienothiophene (9H‐thieno‐[3,2‐b]thieno[2″,3″:4′,5′]thieno[2′,3′:3,4]cyclopenta[1,2‐d]thiophene, CDTT) via a facile aromatic extension strategy is reported. By combining CDTT with 1,1‐dicyanomethylene‐3‐indanone endgroups, a promising nonfullerene small molecule acceptor (CDTTIC) is prepared. As‐cast, single‐junction nonfullerene organic solar cells based on PFBDB‐T: CDTTIC blends exhibit very high short‐circuit currents up to 26.2 mA cm−2 in combination with power conversion efficiencies over 11% without any additional processing treatments. The high photocurrent results from the near‐infrared absorption of the CDTTIC acceptor and the well‐intermixed blend morphology of polymer donor PFBDB‐T and CDTTIC. This work demonstrates a useful fused ring extension strategy and promising solar cell results, indicating the great potential of the CDTT derivatives as electron‐rich building blocks for constructing high‐performance small molecule acceptors in organic solar cells. Journal Article Advanced Functional Materials 1904956 1616-301X 1616-3028 31 12 2019 2019-12-31 10.1002/adfm.201904956 COLLEGE NANME Materials Science and Engineering COLLEGE CODE MTLS Swansea University 2019-10-07T15:18:12.2894379 2019-08-19T10:29:10.8223236 Faculty of Science and Engineering School of Engineering and Applied Sciences - Materials Science and Engineering Qiao He 1 Munazza Shahid 2 Jiaying Wu 3 Xuechen Jiao 4 Flurin D. Eisner 5 Thomas Hodsden 6 Zhuping Fei 7 Thomas D. Anthopoulos 8 Christopher R. McNeill 9 James Durrant 0000-0001-8353-7345 10 Martin Heeney 11
title Fused Cyclopentadithienothiophene Acceptor Enables Ultrahigh Short‐Circuit Current and High Efficiency >11% in As‐Cast Organic Solar Cells
spellingShingle Fused Cyclopentadithienothiophene Acceptor Enables Ultrahigh Short‐Circuit Current and High Efficiency >11% in As‐Cast Organic Solar Cells
James Durrant
title_short Fused Cyclopentadithienothiophene Acceptor Enables Ultrahigh Short‐Circuit Current and High Efficiency >11% in As‐Cast Organic Solar Cells
title_full Fused Cyclopentadithienothiophene Acceptor Enables Ultrahigh Short‐Circuit Current and High Efficiency >11% in As‐Cast Organic Solar Cells
title_fullStr Fused Cyclopentadithienothiophene Acceptor Enables Ultrahigh Short‐Circuit Current and High Efficiency >11% in As‐Cast Organic Solar Cells
title_full_unstemmed Fused Cyclopentadithienothiophene Acceptor Enables Ultrahigh Short‐Circuit Current and High Efficiency >11% in As‐Cast Organic Solar Cells
title_sort Fused Cyclopentadithienothiophene Acceptor Enables Ultrahigh Short‐Circuit Current and High Efficiency >11% in As‐Cast Organic Solar Cells
author_id_str_mv f3dd64bc260e5c07adfa916c27dbd58a
author_id_fullname_str_mv f3dd64bc260e5c07adfa916c27dbd58a_***_James Durrant
author James Durrant
author2 Qiao He
Munazza Shahid
Jiaying Wu
Xuechen Jiao
Flurin D. Eisner
Thomas Hodsden
Zhuping Fei
Thomas D. Anthopoulos
Christopher R. McNeill
James Durrant
Martin Heeney
format Journal article
container_title Advanced Functional Materials
container_start_page 1904956
publishDate 2019
institution Swansea University
issn 1616-301X
1616-3028
doi_str_mv 10.1002/adfm.201904956
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Engineering and Applied Sciences - Materials Science and Engineering{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Engineering and Applied Sciences - Materials Science and Engineering
document_store_str 0
active_str 0
description A new method to synthesize an electron‐rich building block cyclopentadithienothiophene (9H‐thieno‐[3,2‐b]thieno[2″,3″:4′,5′]thieno[2′,3′:3,4]cyclopenta[1,2‐d]thiophene, CDTT) via a facile aromatic extension strategy is reported. By combining CDTT with 1,1‐dicyanomethylene‐3‐indanone endgroups, a promising nonfullerene small molecule acceptor (CDTTIC) is prepared. As‐cast, single‐junction nonfullerene organic solar cells based on PFBDB‐T: CDTTIC blends exhibit very high short‐circuit currents up to 26.2 mA cm−2 in combination with power conversion efficiencies over 11% without any additional processing treatments. The high photocurrent results from the near‐infrared absorption of the CDTTIC acceptor and the well‐intermixed blend morphology of polymer donor PFBDB‐T and CDTTIC. This work demonstrates a useful fused ring extension strategy and promising solar cell results, indicating the great potential of the CDTT derivatives as electron‐rich building blocks for constructing high‐performance small molecule acceptors in organic solar cells.
published_date 2019-12-31T04:03:22Z
_version_ 1763753278862000128
score 11.013148

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