ICCAS OpenIR
Effect of linear side-chain length on the photovoltaic performance of benzodithiophene-alt-dicarboxylic ester terthiophene polymers
Ma, Kangqiao; Zhang, Tao; Wan, Pan; Xu, Bowei; Zhou, Pengxin; An, Cunbin
2019-09-07
Source PublicationNEW JOURNAL OF CHEMISTRY
ISSN1144-0546
Volume43Issue:33Pages:12950-12956
AbstractConjugated polymers (P3TE-C8 and P3TE-C12) with two different side chains based on thienyl-substituted benzodithiophene and dicarboxylic ester terthiophene were synthesized and applied in non-fullerene polymer solar cells (PSCs). Detailed studies revealed that the length of side chains in conjugated polymers showed a weak influence on their optical bandgaps and electrochemical properties, but a strong influence on their aggregation behaviors in solution, films, bulk heterojunction morphologies and photovoltaic performances. Among PSC devices, the P3TE-C8:ITIC-based device showed a PCE of 5.49%, a V-OC of 0.814 V, J(SC) of 12.86 mA cm(-2) and FF of 52.48%, while the P3TE-C12:ITIC-based device exhibited a higher PCE of 7.64%, with simultaneously improved photovoltaic parameters of V-OC of 0.906 V, J(SC) of 14.20 mA cm(-2) and FF of 59.36%. This work demonstrates that the reduction aggregation in conjugated polymers via changing the length of side chains is an effective method to improve PSC performances.
DOI10.1039/c9nj02484k
Indexed BySCI
Language英语
WOS IDWOS:000483589100008
EI Accession Number1369-9261
Citation statistics
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/82600
Collection中国科学院化学研究所
AffiliationChinese Acad Sci, Inst Chem, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Ma, Kangqiao,Zhang, Tao,Wan, Pan,et al. Effect of linear side-chain length on the photovoltaic performance of benzodithiophene-alt-dicarboxylic ester terthiophene polymers[J]. NEW JOURNAL OF CHEMISTRY,2019,43(33):12950-12956.
APA Ma, Kangqiao,Zhang, Tao,Wan, Pan,Xu, Bowei,Zhou, Pengxin,&An, Cunbin.(2019).Effect of linear side-chain length on the photovoltaic performance of benzodithiophene-alt-dicarboxylic ester terthiophene polymers.NEW JOURNAL OF CHEMISTRY,43(33),12950-12956.
MLA Ma, Kangqiao,et al."Effect of linear side-chain length on the photovoltaic performance of benzodithiophene-alt-dicarboxylic ester terthiophene polymers".NEW JOURNAL OF CHEMISTRY 43.33(2019):12950-12956.
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