Fine-tuning the side-chains of non-fullerene small molecule acceptors to match with appropriate polymer donors

2018 ◽  
Vol 6 (18) ◽  
pp. 8586-8594 ◽  
Author(s):  
Meijia Chang ◽  
Yunchuang Wang ◽  
Yuan-Qiu-Qiang Yi ◽  
Xin Ke ◽  
Xiangjian Wan ◽  
...  
Keyword(s):  
Small Molecule ◽  
Organic Photovoltaics ◽  
Fine Tuning ◽  
Side Chain ◽  
Side Chains ◽  
Donor And Acceptor

Side-chain engineering of donor and acceptor materials is an important topic in the field of organic photovoltaics.

Side chain engineering in DTBDT-based small molecules for efficient organic photovoltaics

Nanoscale ◽  
2019 ◽  
Vol 11 (29) ◽  
pp. 13845-13852 ◽  
Author(s):  
Jisu Hong ◽  
Ji Young Choi ◽  
Kyunghun Kim ◽  
Nam-Suk Lee ◽  
Jiqiang Li ◽  
...  
Keyword(s):  
Small Molecules ◽  
Small Molecule ◽  
Organic Photovoltaics ◽  
Side Chain ◽  
Solvent Vapor ◽  
Vapor Annealing ◽  
Solvent Vapor Annealing

A new small-molecule donor with a DTBDT core exhibits apposite blend morphologies and a maximum PCE of 9.18% by side chain engineering and solvent vapor annealing.

Synergy strategy to the flexible alkyl and chloride side-chain engineered quinoxaline-based D–A conjugated polymers for efficient non-fullerene polymer solar cells

2021 ◽  
Author(s):  
Liang Zeng ◽  
Ruijie Ma ◽  
Qiang Zhang ◽  
Tao Liu ◽  
Yiqun Xiao ◽  
...  
Keyword(s):  
Solar Cells ◽  
Conjugated Polymers ◽  
Halogen Atom ◽  
Polymer Solar Cells ◽  
Fine Tuning ◽  
Side Chain ◽  
Side Chains

We are developing both copolymers with quinoxaline (Qx) as acceptor units by fine tuning the side chains with halogen atom chlorine (Cl) and flexible alkyl engineering for efficient non-fullerene polymer solar cells.

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.

Achieving an Efficient and Stable Morphology in Organic Solar Cells Via Fine-Tuning the Side Chains of Small-Molecule Acceptors

2020 ◽  
Vol 32 (6) ◽  
pp. 2593-2604 ◽  
Author(s):  
Meijia Chang ◽  
Lingxian Meng ◽  
Yunchuang Wang ◽  
Xin Ke ◽  
Yuan-Qiu-Qiang Yi ◽  
...  
Keyword(s):  
Solar Cells ◽  
Small Molecule ◽  
Organic Solar Cells ◽  
Fine Tuning ◽  
Side Chains

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.

Enhancing photovoltaic performance by tuning the domain sizes of a small-molecule acceptor by side-chain-engineered polymer donors

2019 ◽  
Vol 7 (7) ◽  
pp. 3072-3082 ◽  
Author(s):  
Yu-Che Lin ◽  
Yi-Ju Lu ◽  
Cheng-Si Tsao ◽  
Akinori Saeki ◽  
Jia-Xing Li ◽  
...  
Keyword(s):  
Energy Transfer ◽  
Active Layer ◽  
Small Molecule ◽  
Organic Photovoltaics ◽  
Photovoltaic Performance ◽  
Side Chain

This paper reports side-chain-engineered polymer donors and a small-molecule acceptor that are capable of simultaneous charge and energy transfer as the active layer for organic photovoltaics.

Rational design of conjugated side chains for high-performance all-polymer solar cells

2018 ◽  
Vol 3 (1) ◽  
pp. 103-112 ◽  
Author(s):  
Wei Huang ◽  
Meilin Li ◽  
Fengyuan Lin ◽  
Yang Wu ◽  
Zhifan Ke ◽  
...  
Keyword(s):  
Solar Cells ◽  
Phase Separation ◽  
High Performance ◽  
Rational Design ◽  
Polymer Solar Cells ◽  
Energy Levels ◽  
Fine Tuning ◽  
Side Chain ◽  
Side Chains

High-performance all-polymer solar cells were developed by employing an asymmetric benzo[1,2-b:4,5-b′]dithiophene unit with one thiophene and one 4-methoxythiophene conjugated side chain in the donor polymer, which enabled fine-tuning of energy levels and phase separation.

scholarly journals Mapping the Side-Chain Length of Small Molecule Acceptors towards the Optimal Hierarchical Morphology in Ternary Organic Solar Cells

2021 ◽  
Author(s):  
Zichun Zhou ◽  
Shengjie Xu ◽  
Xiaozhang Zhu
Keyword(s):  
Chain Length ◽  
Small Molecule ◽  
Organic Photovoltaics ◽  
Alkyl Chain ◽  
Alkyl Chain Length ◽  
Electron Acceptors ◽  
Side Chain ◽  
Alkyl Side Chain ◽  
Side Chain Length ◽  
Hierarchical Morphology

Hierarchical morphology has been clearly demonstrated to improve all performance parameters in ternary organic photovoltaics but shows strong dependence on the molecular structures. Here we develop four small molecule electron acceptors with different alkyl chain length to find the optimal solution of alkyl chain towards the defined hierarchical morphology and carry out a clear and comprehensive investigation of the alkyl chain length effects on the structure-morphology-device performance relationships in ternary blend. There is a positive correlation between the power conversion efficiencies of the four ternary systems and their short-circuit current density parameters, manifesting the significance of distinguishing optimal alkyl side chain length of small molecule electron acceptors for defined hierarchical morphology to afford efficient carrier generation. The non-optimal side chains would retard the BTR crystalline and make the PC<sub>71</sub>BM domain sizes incontrollable, leading to a morphology without a defined hierarchy. Such a detailed mapping of the alkyl side chain length of small molecule electron acceptors provide a new insight into the materials combinations for the next-step high performance multi-component organic photovoltaics

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