High-Performance Polymer Solar Cells Achieved by Introducing Side-Chain Heteroatom on Small-Molecule Electron Acceptor.

Electrons Molecular Structure Polymers / chemical synthesis Small Molecule Libraries / chemistry Solar Energy
heteroatoms non-fullerene acceptors polymer solar cells power conversion efficiency side-chain engineering

Journal

Macromolecular rapid communications
ISSN: 1521-3927
Titre abrégé: Macromol Rapid Commun
Pays: Germany
ID NLM: 9888239

Informations de publication

Date de publication:
Jan 2019
Historique:
received: 22 05 2018
revised: 04 07 2018
pubmed: 10 8 2018
medline: 2 3 2019
entrez: 10 8 2018
Statut: ppublish

Résumé

Side chains of photovoltaic materials play an important role in determining charge transport property, film morphology, and the corresponding device performance. In this work, two new acceptor materials, ATT-6 and ATT-7 with different side chains, m-hexylphenyl and m-hexyloxyphenyl on the indacenodithiophene, are designed and synthesized for applications in non-fullerene polymer solar cells. ATT-7 shows a higher absorption coefficient, increased crystallinity, and improved electron mobility in comparison with ATT-6. Using wide-bandgap polymer poly[(2,6-(4,8-bis(5-(2-ethylhexyl)thiophen-2-yl)-benzo[1,2-b:4,5-b']dithiophene))-alt-(5,5-(1',3'-di-2-thienyl-5',7'-bis(2-ethylhexyl)benzo[1',2'-c:4',5'-c']dithiophene-4,8-dione)] (PBDB-T) as donor, optimized devices based on PBDB-T:ATT-7 and PBDB-T:ATT-6 delivers power conversion efficiencies of 10.30% and 8.39%, respectively. The higher performance of ATT-7-based device can be attributed to efficient exciton dissociation, reduced bimolecular recombination, and enhanced and balanced charge carrier mobilities. These results indicate that side-chain modification is an easy but efficient way in the design of high-performance non-fullerene acceptors.

Identifiants

DOI: 10.1002/marc.201800393 PMID: 30091173
pubmed: 30091173
doi: 10.1002/marc.201800393
doi:

Substances chimiques

Polymers 0
Small Molecule Libraries 0

Types de publication

Journal Article

Langues

eng

Sous-ensembles de citation

IM

Pagination

e1800393

Subventions

Organisme : Chinese Academy of Sciences
ID : XDB12010200
Organisme : National Natural Science Foundation of China
ID : 21661132006
Organisme : Ministry of Science and Technology of the People's Republic of China
ID : 2017YFA0204700

Informations de copyright

© 2018 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

Auteurs

Jianyun Zhang (J)

Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Organic Solids, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China.
School of Chemistry and Chemical Engineering, University of Chinese Academy of Sciences, Beijing, 100049, China.

Feng Liu (F)

Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Organic Solids, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China.
School of Chemistry and Chemical Engineering, University of Chinese Academy of Sciences, Beijing, 100049, China.

Shanshan Chen (S)

Department of Energy Engineering, School of Energy and Chemical Engineering, Low Dimensional Carbon Materials Center, Ulsan National Institute of Science and Technology, Ulsan, 689-798, South Korea.

Changduk Yang (C)

Department of Energy Engineering, School of Energy and Chemical Engineering, Low Dimensional Carbon Materials Center, Ulsan National Institute of Science and Technology, Ulsan, 689-798, South Korea.

Xiaozhang Zhu (X)

Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Organic Solids, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China.
School of Chemistry and Chemical Engineering, University of Chinese Academy of Sciences, Beijing, 100049, China.

Daoben Zhu (D)

Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Organic Solids, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China.
School of Chemistry and Chemical Engineering, University of Chinese Academy of Sciences, Beijing, 100049, China.
ORCID: 0000-0002-6354-940X

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Classifications MeSH

questionsmedicales.fr › Phénomènes physiques › Phénomènes magnétiques › Phénomènes électromagnétiques › Électrons › High-Performance Polymer Solar Cells Achieved...
questionsmedicales.fr › Phénomènes chimiques › Structure moléculaire › High-Performance Polymer Solar Cells Achieved...
questionsmedicales.fr › Technologie, industrie et agriculture › Produits manufacturés › Matériaux biomédicaux et dentaires › Polymères › High-Performance Polymer Solar Cells Achieved...
questionsmedicales.fr › Actions chimiques et utilisations › Utilisations spécialisées de produits chimiques › Produits chimiques de laboratoire › Bibliothèques de petites molécules › High-Performance Polymer Solar Cells Achieved...
questionsmedicales.fr › Environnement et santé publique › Environnement › Ressources de production d'énergie › Énergie renouvelable › Énergie solaire › High-Performance Polymer Solar Cells Achieved...