A rare case of brominated small molecule acceptors for high-efficiency organic solar cells.

Journal

Nature communications
ISSN: 2041-1723
Titre abrégé: Nat Commun
Pays: England
ID NLM: 101528555

Informations de publication

Date de publication:
05 Aug 2023
Historique:
received: 31 03 2023
accepted: 27 07 2023
medline: 6 8 2023
pubmed: 6 8 2023
entrez: 5 8 2023
Statut: epublish

Résumé

Given that bromine possesses similar properties but extra merits of easily synthesizing and polarizing comparing to homomorphic fluorine and chlorine, it is quite surprising very rare high-performance brominated small molecule acceptors have been reported. This may be caused by undesirable film morphologies stemming from relatively larger steric hindrance and excessive crystallinity of bromides. To maximize the advantages of bromides while circumventing weaknesses, three acceptors (CH20, CH21 and CH22) are constructed with stepwise brominating on central units rather than conventional end groups, thus enhancing intermolecular packing, crystallinity and dielectric constant of them without damaging the favorable intermolecular packing through end groups. Consequently, PM6:CH22-based binary organic solar cells render the highest efficiency of 19.06% for brominated acceptors, more excitingly, a record-breaking efficiency of 15.70% when further thickening active layers to ~500 nm. By exhibiting such a rare high-performance brominated acceptor, our work highlights the great potential for achieving record-breaking organic solar cells through delicately brominating.

Identifiants

DOI: 10.1038/s41467-023-40423-6 PMID: 37543678 PMC: PMC10404295
pubmed: 37543678
doi: 10.1038/s41467-023-40423-6
pii: 10.1038/s41467-023-40423-6
pmc: PMC10404295
doi:

Types de publication

Journal Article

Langues

eng

Sous-ensembles de citation

IM

Pagination

4707

Subventions

Organisme : Ministry of Science and Technology of the People's Republic of China (Chinese Ministry of Science and Technology)
ID : 2022YFB4200400
Organisme : Ministry of Science and Technology of the People's Republic of China (Chinese Ministry of Science and Technology)
ID : 2019YFA0705900
Organisme : Ministry of Science and Technology of the People's Republic of China (Chinese Ministry of Science and Technology)
ID : 2022YFB4200400
Organisme : National Natural Science Foundation of China (National Science Foundation of China)
ID : 21935007
Organisme : National Natural Science Foundation of China (National Science Foundation of China)
ID : 51873089
Organisme : National Natural Science Foundation of China (National Science Foundation of China)
ID : 52025033
Organisme : Natural Science Foundation of Tianjin City (Natural Science Foundation of Tianjin)
ID : 22JCQNJC00530

Informations de copyright

© 2023. Springer Nature Limited.

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Auteurs

Huazhe Liang (H)

State Key Laboratory and Institute of Elemento-Organic Chemistry, The Centre of Nanoscale Science and Technology and Key Laboratory of Functional Polymer Materials, Renewable Energy Conversion and Storage Center (RECAST), College of Chemistry, Nankai University, 300071, Tianjin, China.

Xingqi Bi (X)

State Key Laboratory and Institute of Elemento-Organic Chemistry, The Centre of Nanoscale Science and Technology and Key Laboratory of Functional Polymer Materials, Renewable Energy Conversion and Storage Center (RECAST), College of Chemistry, Nankai University, 300071, Tianjin, China.

Hongbin Chen (H)

State Key Laboratory and Institute of Elemento-Organic Chemistry, The Centre of Nanoscale Science and Technology and Key Laboratory of Functional Polymer Materials, Renewable Energy Conversion and Storage Center (RECAST), College of Chemistry, Nankai University, 300071, Tianjin, China.

Tengfei He (T)

State Key Laboratory and Institute of Elemento-Organic Chemistry, The Centre of Nanoscale Science and Technology and Key Laboratory of Functional Polymer Materials, Renewable Energy Conversion and Storage Center (RECAST), College of Chemistry, Nankai University, 300071, Tianjin, China.

Yi Lin (Y)

State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Center for Advanced Low-dimension Materials, College of Materials Science and Engineering, Donghua University, 201620, Shanghai, China.

Yunxin Zhang (Y)

School of Materials Science and Engineering, National Institute for Advanced Materials, Renewable Energy Conversion and Storage Center (RECAST), Nankai University, 300350, Tianjin, China.

Kangqiao Ma (K)

State Key Laboratory and Institute of Elemento-Organic Chemistry, The Centre of Nanoscale Science and Technology and Key Laboratory of Functional Polymer Materials, Renewable Energy Conversion and Storage Center (RECAST), College of Chemistry, Nankai University, 300071, Tianjin, China.

Wanying Feng (W)

State Key Laboratory and Institute of Elemento-Organic Chemistry, The Centre of Nanoscale Science and Technology and Key Laboratory of Functional Polymer Materials, Renewable Energy Conversion and Storage Center (RECAST), College of Chemistry, Nankai University, 300071, Tianjin, China.

Zaifei Ma (Z)

State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Center for Advanced Low-dimension Materials, College of Materials Science and Engineering, Donghua University, 201620, Shanghai, China.
ORCID: 0000-0002-3100-1570

Guankui Long (G)

School of Materials Science and Engineering, National Institute for Advanced Materials, Renewable Energy Conversion and Storage Center (RECAST), Nankai University, 300350, Tianjin, China.
ORCID: 0000-0002-1826-3736

Chenxi Li (C)

State Key Laboratory and Institute of Elemento-Organic Chemistry, The Centre of Nanoscale Science and Technology and Key Laboratory of Functional Polymer Materials, Renewable Energy Conversion and Storage Center (RECAST), College of Chemistry, Nankai University, 300071, Tianjin, China.

Bin Kan (B)

School of Materials Science and Engineering, National Institute for Advanced Materials, Renewable Energy Conversion and Storage Center (RECAST), Nankai University, 300350, Tianjin, China.

Hongtao Zhang (H)

State Key Laboratory and Institute of Elemento-Organic Chemistry, The Centre of Nanoscale Science and Technology and Key Laboratory of Functional Polymer Materials, Renewable Energy Conversion and Storage Center (RECAST), College of Chemistry, Nankai University, 300071, Tianjin, China.

Oleg A Rakitin (OA)

N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, 119991, Moscow, Russia.
ORCID: 0000-0001-6609-4087

Xiangjian Wan (X)

State Key Laboratory and Institute of Elemento-Organic Chemistry, The Centre of Nanoscale Science and Technology and Key Laboratory of Functional Polymer Materials, Renewable Energy Conversion and Storage Center (RECAST), College of Chemistry, Nankai University, 300071, Tianjin, China.

Zhaoyang Yao (Z)

State Key Laboratory and Institute of Elemento-Organic Chemistry, The Centre of Nanoscale Science and Technology and Key Laboratory of Functional Polymer Materials, Renewable Energy Conversion and Storage Center (RECAST), College of Chemistry, Nankai University, 300071, Tianjin, China. zyao@nankai.edu.cn.
ORCID: 0000-0003-1384-183X

Yongsheng Chen (Y)

State Key Laboratory and Institute of Elemento-Organic Chemistry, The Centre of Nanoscale Science and Technology and Key Laboratory of Functional Polymer Materials, Renewable Energy Conversion and Storage Center (RECAST), College of Chemistry, Nankai University, 300071, Tianjin, China. yschen99@nankai.edu.cn.
ORCID: 0000-0003-1448-8177

Classifications MeSH