Annealing-free efficient organic solar cells via an alkylbenzene side-chain strategy of small-molecule electron acceptors

2020 ◽  
Vol 8 (42) ◽  
pp. 22155-22162
Author(s):  
Yufang Han ◽  
Wei Song ◽  
Jinsheng Zhang ◽  
Lin Xie ◽  
Jingbo Xiao ◽  
...  
Keyword(s):  
Solar Cells ◽  
Small Molecule ◽  
Organic Solar Cells ◽  
High Efficiency ◽  
Electron Acceptors ◽  
Organic Photovoltaic ◽  
Side Chain

14.54% high efficiency for annealing-free organic solar cells is achieved by employing a binary PM6:C6 system, and it is one of the highest PCEs of annealing-free OSCs up to now and can promote the development of the organic photovoltaic industry.

Simple-structured small molecule acceptors constructed by a weakly electron-deficient thiazolothiazole core for high-efficiency non-fullerene organic solar cells

2018 ◽  
Vol 6 (47) ◽  
pp. 24267-24276 ◽  
Author(s):  
Wenhong Peng ◽  
Guangjun Zhang ◽  
Lin Shao ◽  
Chao Ma ◽  
Bin Zhang ◽  
...  
Keyword(s):  
Solar Cells ◽  
Small Molecule ◽  
Organic Solar Cells ◽  
High Efficiency ◽  
Novel Strategy

A novel strategy is proposed to construct simple-structured SMAs using a weakly electron-deficient thiazolothiazole (TTz) core. The highest PCE of 8.77% is recorded for TTz1-based OSCs, which is the highest efficiency to date among non-fullerene OSCs with simple-structured SMAs.

High-efficiency organic solar cells based on a small-molecule donor and a low-bandgap polymer acceptor with strong absorption

2018 ◽  
Vol 6 (20) ◽  
pp. 9613-9622 ◽  
Author(s):  
Yankang Yang ◽  
Beibei Qiu ◽  
Shanshan Chen ◽  
Qiuju Zhou ◽  
Ying Peng ◽  
...  
Keyword(s):  
Solar Cells ◽  
Small Molecule ◽  
Organic Solar Cells ◽  
High Efficiency ◽  
Strong Absorption ◽  
Low Bandgap ◽  
Polymer Acceptor

An OSC based on a small molecule DR3TBDTT as donor and n-type polymer PZ1 as acceptor was fabricated, and PCE of the device reached 5.86% which is the highest for the OSCs based small molecule donor/polymer acceptor.

Tuning terminal aromatics of electron acceptors to achieve high-efficiency organic solar cells

2019 ◽  
Vol 7 (48) ◽  
pp. 27632-27639 ◽  
Author(s):  
Ran Qin ◽  
Di Wang ◽  
Guanqing Zhou ◽  
Zhi-Peng Yu ◽  
Shuixing Li ◽  
...  
Keyword(s):  
Solar Cells ◽  
Organic Solar Cells ◽  
High Efficiency ◽  
Electron Acceptors ◽  
Hole Transfer

The structural tuning of non-fullerene acceptors with extended terminal aromatics enables faster hole transfer from the acceptor to the donor at smaller energy offsets, thereby achieving high efficiency in organic solar cells.

High-efficiency all-small-molecule organic solar cells based on an organic molecule donor with an asymmetric thieno[2,3-f] benzofuran unit

2020 ◽  
Vol 63 (9) ◽  
pp. 1246-1255 ◽  
Author(s):  
Rui Sun ◽  
Yao Wu ◽  
Jing Guo ◽  
Zhenghui Luo ◽  
Chuluo Yang ◽  
...  
Keyword(s):  
Solar Cells ◽  
Small Molecule ◽  
Organic Solar Cells ◽  
Organic Molecule ◽  
High Efficiency

Cyano-functionalized small-molecule acceptors for high-efficiency wide-bandgap organic solar cells

2020 ◽  
Vol 8 (27) ◽  
pp. 9195-9200
Author(s):  
Jun Zhang ◽  
Jie Lv ◽  
Xiyue Dong ◽  
Tongle Xu ◽  
Xuexin Dai ◽  
...  
Keyword(s):  
Solar Cells ◽  
Small Molecule ◽  
Organic Solar Cells ◽  
High Efficiency ◽  
Wide Bandgap ◽  
High Demand

Wide-bandgap non-fullerene acceptors (NFAs) are in high demand for constructing efficient ternary or tandem organic solar cells (OSCs), yet the scarcity of them remains an important issue that needs exploration and perfection.

Constructing high efficiency non-fullerene all-small-molecule ternary organic solar cells by employing structurally similar acceptors

2021 ◽  
Author(s):  
Ziyun Huang ◽  
Ruimin Zhou ◽  
Min Lv ◽  
Hao Zhang ◽  
Chen Yang ◽  
...  
Keyword(s):  
Solar Cells ◽  
Small Molecule ◽  
Organic Solar Cells ◽  
High Efficiency

Constructing high efficiency non-fullerene all-small-molecule ternary organic solar cells by employing structurally similar acceptors.

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