Green solvent-processed efficient non-fullerene organic solar cells enabled by low-bandgap copolymer donors with EDOT side chains

2019 ◽  
Vol 7 (2) ◽  
pp. 716-726 ◽  
Author(s):  
Chentong Liao ◽  
Ming Zhang ◽  
Xiaopeng Xu ◽  
Feng Liu ◽  
Ying Li ◽  
...  
Keyword(s):  
Solar Cells ◽  
Energy Level ◽  
Organic Solar Cells ◽  
Carrier Mobility ◽  
Side Chain ◽  
Ternary Blend ◽  
Side Chains ◽  
Green Solvent ◽  
Low Bandgap ◽  
Blend Morphology

By a combination of side chain and ternary blend strategies, novel BDT-TT-based copolymer donors were developed to improve the green solvent solubility, crystallinity, energy level, carrier mobility and blend morphology. Non-fullerene binary and ternary blend devices based on PTB-EDOTS exhibited high PCEs of 10.18% and 12.26%, respectively.

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.

Influence of polymer side chains on the photovoltaic performance of non-fullerene organic solar cells

2017 ◽  
Vol 5 (4) ◽  
pp. 937-942 ◽  
Author(s):  
Xue Gong ◽  
Guangwu Li ◽  
Shiyu Feng ◽  
Liangliang Wu ◽  
Yahui Liu ◽  
...  
Keyword(s):  
Solar Cells ◽  
Energy Level ◽  
Organic Solar Cells ◽  
Photovoltaic Performance ◽  
Great Influence ◽  
Molecular Packing ◽  
Side Chains ◽  
Blend Morphology

The side chains of polymers had a great influence on their molecular packing, energy level, blend morphology and photovoltaic performance. The PCEs of 7.28% and 1.55% were obtained for alkoxy and alkylthio-substituted polymer based non-fullerene solar cells, respectively.

scholarly journals Green-Solvent-Processed Conjugated Polymers for Organic Solar Cells: The Impact of Oligoethylene Glycol Side Chains

2019 ◽  
Vol 1 (4) ◽  
pp. 804-814 ◽  
Author(s):  
Zheng Chen ◽  
Liang Yan ◽  
Jeromy James Rech ◽  
Jun Hu ◽  
Qianqian Zhang ◽  
...  
Keyword(s):  
Solar Cells ◽  
Conjugated Polymers ◽  
Organic Solar Cells ◽  
Side Chains ◽  
Green Solvent ◽  
Oligoethylene Glycol ◽  
The Impact

Side-chain engineering for fine-tuning of molecular packing and nanoscale blend morphology in polymer photodetectors

2017 ◽  
Vol 8 (13) ◽  
pp. 2055-2062 ◽  
Author(s):  
Liuyong Hu ◽  
Wenqiang Qiao ◽  
Xiaokang Zhou ◽  
Jinfeng Han ◽  
Xiaoqin Zhang ◽  
...  
Keyword(s):  
Molecular Packing ◽  
Fine Tuning ◽  
Side Chain ◽  
Side Chains ◽  
Low Bandgap ◽  
Blend Morphology

Enhancing the performance of polymer photodetectors by finely tuning the side chains of low-bandgap polymers.

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.

Unraveling the effect of polymer dots doping in inverted low bandgap organic solar cells

2015 ◽  
Vol 17 (24) ◽  
pp. 16086-16091 ◽  
Author(s):  
Xinyuan Zhang ◽  
Chunyu Liu ◽  
Jinfeng Li ◽  
Yeyuan He ◽  
Zhiqi Li ◽  
...  
Keyword(s):  
Solar Cells ◽  
Organic Solar Cells ◽  
Carrier Mobility ◽  
Photovoltaic Performance ◽  
Low Bandgap ◽  
Polymer Dots

PF-10BT dots have been employed in a PSBTBT:PC60BM blend to improve photovoltaic performance. The Jsc and carrier mobility were greatly enhanced.

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.

Non-halogenated solvent-processed ternary-blend solar cells via alkyl-side-chain engineering of a non-fullerene acceptor and their application in large-area devices

2020 ◽  
Vol 8 (20) ◽  
pp. 10318-10330 ◽  
Author(s):  
Taeho Lee ◽  
Sora Oh ◽  
Shafket Rasool ◽  
Chang Eun Song ◽  
Dongwook Kim ◽  
...  
Keyword(s):  
Solar Cells ◽  
Organic Solar Cells ◽  
Side Chain ◽  
Ternary Blend ◽  
Alkyl Side Chain ◽  
Large Area

Ternary-blend organic solar cells based on a novel asymmetric non-fullerene acceptor (T2-OEHRH) processed from a non-halogenated solvent exhibit impressive PCEs of 12.10% and 9.32% in small- and large-area devices, respectively.

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.

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.

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