Impact of self-assembly on the photovoltaic properties of a small molecule oligothiophene donor

Hundal, AK; Agarwal, A; Jameel, MA; Ali, S; Chen, JY; Kaur, N; Jones, L; Li, JL; Langford, SJ; Gupta, A

Impact of self-assembly on the photovoltaic properties of a small molecule oligothiophene donor

Hundal, AK Agarwal, A Jameel, MA Ali, S Chen, JY Kaur, N Jones, L Li, JL Langford, SJ Gupta, A

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Publisher:: Elsevier
Publication Type:: Journal Article
Citation:: Solar Energy, 2020, 195, pp. 223-229
Issue Date:: 2020-01-01

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Field	Value	Language
dc.contributor.author	Hundal, AK
dc.contributor.author	Agarwal, A
dc.contributor.author	Jameel, MA
dc.contributor.author	Ali, S
dc.contributor.author	Chen, JY
dc.contributor.author	Kaur, N
dc.contributor.author	Jones, L
dc.contributor.author	Li, JL
dc.contributor.author	Langford, SJ
dc.contributor.author	Gupta, A
dc.date.accessioned	2022-10-31T05:26:53Z
dc.date.available	2022-10-31T05:26:53Z
dc.date.issued	2020-01-01
dc.identifier.citation	Solar Energy, 2020, 195, pp. 223-229
dc.identifier.issn	0038-092X
dc.identifier.issn	1471-1257
dc.identifier.uri	http://hdl.handle.net/10453/163071
dc.description.abstract	The positive impact of self-assembly on the photovoltaic properties of a donor-π-acceptor oligothiophene molecule coded as CP3, which contains a barbituric acid as a terminal acceptor unit and triphenylamine as donor, enabling hydrogen-bonded spherulites to assemble in its films is described. The hydrogen-bonded supramolecular array of barbiturated-oligothiophene molecules were directly visualized by scanning electron microscopy. Bulk-heterojunction solar cells comprising CP3 and the fullerene PC61BM show a power conversion efficiency of 6.31%, which is markedly higher than a structural analogue CP4, which comprises a N-ethylrhodanine terminal acceptor unit incapable of participating in the same degree of self-assembly, supporting the impact of self-assembly in BHJ devices.
dc.language	English
dc.publisher	Elsevier
dc.relation.ispartof	Solar Energy
dc.relation.isbasedon	10.1016/j.solener.2019.11.073
dc.rights	info:eu-repo/semantics/closedAccess
dc.subject	09 Engineering, 12 Built Environment and Design
dc.subject.classification	Energy
dc.title	Impact of self-assembly on the photovoltaic properties of a small molecule oligothiophene donor
dc.type	Journal Article
utslib.citation.volume	195
utslib.for	09 Engineering
utslib.for	12 Built Environment and Design
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/Faculty of Science
pubs.organisational-group	/University of Technology Sydney/Faculty of Science/School of Mathematical and Physical Sciences
pubs.organisational-group	/University of Technology Sydney/Strength - CCET - Centre for Clean Energy Technology
utslib.copyright.status	closed_access	*
pubs.consider-herdc	false
dc.date.updated	2022-10-31T05:26:52Z
pubs.publication-status	Published
pubs.volume	195

Abstract:

The positive impact of self-assembly on the photovoltaic properties of a donor-π-acceptor oligothiophene molecule coded as CP3, which contains a barbituric acid as a terminal acceptor unit and triphenylamine as donor, enabling hydrogen-bonded spherulites to assemble in its films is described. The hydrogen-bonded supramolecular array of barbiturated-oligothiophene molecules were directly visualized by scanning electron microscopy. Bulk-heterojunction solar cells comprising CP3 and the fullerene PC61BM show a power conversion efficiency of 6.31%, which is markedly higher than a structural analogue CP4, which comprises a N-ethylrhodanine terminal acceptor unit incapable of participating in the same degree of self-assembly, supporting the impact of self-assembly in BHJ devices.

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http://hdl.handle.net/10453/163071