Side-chain engineering of wide-bandgap polymers based on benzo[1,2-b:4,5-b′]dithiophene and [2,2′-bithiophene]-4,4′-dicarboxylate for fullerene-free organic solar cells

2019 ◽  
Vol 7 (31) ◽  
pp. 9581-9590 ◽  
Author(s):  
Qi Wang ◽  
Miaomiao Li ◽  
Ying Sui ◽  
Zhongli Wang ◽  
Ziqi Liang ◽  
...  
Keyword(s):  
Solar Cells ◽  
Organic Solar Cells ◽  
Wide Bandgap ◽  
Side Chain ◽  
Side Chains

Six wide-bandgap polymers with different side chains on both benzo[1,2-b:4,5-b′]dithiophene and [2,2′-bithiophene]-4,4′-dicarboxylate units for efficient fullerene-free organic solar cells.

Donor polymer based on alkylthiophene side chains for efficient non-fullerene organic solar cells: insights into fluorination and side chain effects on polymer aggregation and blend morphology

2018 ◽  
Vol 6 (46) ◽  
pp. 23270-23277 ◽  
Author(s):  
Jing Liu ◽  
Lik-Kuen Ma ◽  
Zhengke Li ◽  
Huawei Hu ◽  
Fu Kit Sheong ◽  
...  
Keyword(s):  
Solar Cells ◽  
Organic Solar Cells ◽  
Synergistic Effects ◽  
Side Chain ◽  
Side Chains ◽  
Blend Morphology

The synergistic effects of overfluorination and alkylthiophene side chain strategies led to 10.60% efficiency for non-fullerene organic solar cells.

Branched versus linear: side-chain effect on fluorinated wide bandgap donors and their applications in organic solar cells

2020 ◽  
Vol 44 (3) ◽  
pp. 753-760
Author(s):  
Tainan Duan ◽  
Ru-Ze Liang ◽  
Yingying Fu ◽  
Yuying Chang ◽  
Zhipeng Kan ◽  
...  
Keyword(s):  
Solar Cells ◽  
Band Gap ◽  
Organic Solar Cells ◽  
Organic Molecules ◽  
Wide Band ◽  
Wide Bandgap ◽  
Side Chain ◽  
Wide Band Gap ◽  
Solution Processed ◽  
Small Organic Molecules

We report a new series of wide band-gap small organic molecules as donor-materials featuring an indaceno[1,2-b:5,6-b′]dithiophene (IDT) core and fluorinated thiophene linkers for solution-processed organic solar cells.

scholarly journals An investigation of the role acceptor side chains play in the processibility and efficiency of organic solar cells fabricated from small molecular donors featuring 3,4-ethylenedioxythiophene cores

RSC Advances ◽  
2018 ◽  
Vol 8 (69) ◽  
pp. 39231-39240
Author(s):  
N. A. Mica ◽  
S. A. J. Almahmoud ◽  
L. Krishnan Jagadamma ◽  
G. Cooke ◽  
I. D. W. Samuel
Keyword(s):  
Solar Cells ◽  
Small Molecule ◽  
Organic Solar Cells ◽  
Chemical Nature ◽  
Photovoltaic Performance ◽  
Side Chain ◽  
Side Chains ◽  
Acceptor Side

The chemical nature of the acceptor side chain plays an important role in the processability and photovoltaic performance of EDOT-based small molecule donors.

Side chain effect on conjugated polymer/fullerene interfaces in organic solar cells: a DFT study

2019 ◽  
Vol 21 (43) ◽  
pp. 23978-23995 ◽  
Author(s):  
Sarah A. Ayoub ◽  
Jolanta B. Lagowski
Keyword(s):  
Solar Cells ◽  
Organic Solar Cells ◽  
Conjugated Polymer ◽  
Binding Energies ◽  
Dft Study ◽  
Side Chain ◽  
Side Chains

We investigated the effect of lengths, types, and branching positions of side chains on the binding energies of monomer/fullerene pairings.

scholarly journals Side chain engineering on dithieno[3,2-b:2,3-d]pyrrol fused electron acceptors for efficient organic solar cells

2019 ◽  
Vol 3 (4) ◽  
pp. 702-708 ◽  
Author(s):  
Haohao Feng ◽  
Xin Song ◽  
Ming Zhang ◽  
Jiangsheng Yu ◽  
Zhuohan Zhang ◽  
...  
Keyword(s):  
Solar Cells ◽  
Organic Solar Cells ◽  
Electron Acceptors ◽  
Side Chain ◽  
Side Chains ◽  
Alkyl Side Chains

Two novel dithieno[3,2-b:2,3-d]pyrrol fused electron acceptors (FREAs) with branched alkyl side-chains have been developed.

4,7-Di-2-thienyl-2,1,3-benzothiadiazole with hexylthiophene side chains and a benzodithiophene based copolymer for efficient organic solar cells

2015 ◽  
Vol 6 (24) ◽  
pp. 4415-4423 ◽  
Author(s):  
Junzhen Ren ◽  
Xichang Bao ◽  
Liangliang Han ◽  
Jiuxing Wang ◽  
Meng Qiu ◽  
...  
Keyword(s):  
Solar Cells ◽  
Organic Solar Cells ◽  
Polymer Solar Cells ◽  
Side Chain ◽  
Side Chains

A hexylthiophene side chain can induce conformational torsion a polymer with a BDT-DTBT backbone. HighVocand PCE polymer solar cells can be achieved.

scholarly journals The effect of side-chain substitution and hot processing on diketopyrrolopyrrole-based polymers for organic solar cells

2017 ◽  
Vol 5 (26) ◽  
pp. 13748-13756 ◽  
Author(s):  
Gaël H. L. Heintges ◽  
Pieter J. Leenaers ◽  
René A. J. Janssen
Keyword(s):  
Solar Cells ◽  
Organic Solar Cells ◽  
Side Chain ◽  
Side Chains ◽  
Temperature Dependent ◽  
Alkyl Side Chains

The effects of cold and hot processing on the performance of polymer–fullerene solar cells are investigated for polymers designed to exhibit temperature-dependent aggregation in solution via second-position branched alkyl side chains.

Combination of noncovalent conformational locks and side chain engineering to tune the crystallinity of nonfullerene acceptors for high-performance P3HT based organic solar cells

2019 ◽  
Vol 3 (1) ◽  
pp. 64-69 ◽  
Author(s):  
Pan Ye ◽  
Yusheng Chen ◽  
Jianfei Wu ◽  
Xiaoxi Wu ◽  
Yunxiao Xu ◽  
...  
Keyword(s):  
Solar Cells ◽  
Small Molecules ◽  
Organic Solar Cells ◽  
High Performance ◽  
Side Chain ◽  
Side Chains

The performances of P3HT based OSCs were systematically improved attributed to the modification of the side chains of small molecules.

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