Small energy loss in ternary organic solar cells with a blend of cascade energy levels: two fullerene-free acceptors as the electron acceptor

2019 ◽  
Vol 7 (32) ◽  
pp. 10039-10048 ◽  
Author(s):  
Zhiyong Liu ◽  
Ning Wang
Keyword(s):  
Solar Cells ◽  
Energy Loss ◽  
Electron Acceptor ◽  
Organic Solar Cells ◽  
Energy Levels ◽  
Wide Bandgap ◽  
Small Energy ◽  
Cascade Energy

Fullerene-free organic solar cells (OSCs) were fabricated using a blend of wide bandgap donor PBDB-T and ultranarrow bandgap acceptor IEICO-4F as binary photoactive layers.

A benzo[1,2-d:4,5-d′]bisthiazole-based wide-bandgap copolymer semiconductor for efficient fullerene-free organic solar cells with a small energy loss of 0.50 eV

2019 ◽  
Vol 7 (10) ◽  
pp. 5234-5238 ◽  
Author(s):  
Nai-Yu Chen ◽  
Qihui Yue ◽  
Wenrui Liu ◽  
Hao-Li Zhang ◽  
Xiaozhang Zhu
Keyword(s):  
Solar Cells ◽  
Energy Loss ◽  
Organic Solar Cells ◽  
Wide Bandgap ◽  
Low Energy ◽  
Small Energy ◽  
Wide Bandgap Polymer

A wide-bandgap polymer donor based on benzo[1,2-d:4,5-d′]bisthiazole is designed and synthesized delivering a PCE of 11.08% with a low energy loss of 0.50 eV.

Highly efficient halogen-free solvent processed small-molecule organic solar cells enabled by material design and device engineering

2017 ◽  
Vol 10 (8) ◽  
pp. 1739-1745 ◽  
Author(s):  
Jiahui Wan ◽  
Xiaopeng Xu ◽  
Guangjun Zhang ◽  
Ying Li ◽  
Kui Feng ◽  
...  
Keyword(s):  
Solar Cells ◽  
Energy Loss ◽  
Small Molecules ◽  
Small Molecule ◽  
Organic Solar Cells ◽  
Material Design ◽  
Small Energy ◽  
Highly Efficient ◽  
Device Engineering ◽  
Halogen Free

Naphtho[1,2-c:5,6-c']bis[1,2,5]thiadiazole-based small molecules have been synthesized for organic solar cells. The optimized devices processed by a halogen-free solvent of CS2 exhibited a PCE of 11.53% with a small energy loss of 0.57 eV.

Poly(3-hexylthiophene)-based non-fullerene solar cells achieve high photovoltaic performance with small energy loss

2017 ◽  
Vol 5 (32) ◽  
pp. 16573-16579 ◽  
Author(s):  
Feng Liu ◽  
Jianyun Zhang ◽  
Zichun Zhou ◽  
Jianqi Zhang ◽  
Zhixiang Wei ◽  
...  
Keyword(s):  
Solar Cells ◽  
Energy Loss ◽  
Electron Acceptor ◽  
Photovoltaic Performance ◽  
Small Energy

P3HT-based PSCs with a new electron acceptor, ATT-3, show a high PCE of 6.27% with a small energy loss of 0.68 eV.

A novel wide-bandgap small molecule donor for high efficiency all-small-molecule organic solar cells with small non-radiative energy losses

2020 ◽  
Vol 13 (5) ◽  
pp. 1309-1317 ◽  
Author(s):  
Yulong Wang ◽  
Yang Wang ◽  
Lei Zhu ◽  
Haiqin Liu ◽  
Jin Fang ◽  
...  
Keyword(s):  
Solar Cells ◽  
Energy Loss ◽  
Small Molecule ◽  
Organic Solar Cells ◽  
High Efficiency ◽  
Power Conversion ◽  
Wide Bandgap ◽  
Radiative Energy ◽  
Energy Losses ◽  
Radiative Energy Loss

A novel small molecule donor based on thiazolo[5,4-d]thiazole (TTz) unit is developed for OSCs application with 13.9% power conversion efficiency and a small non-radiative energy loss of 0.18 eV.

On the understanding of energy loss and device fill factor trade-offs in non-fullerene organic solar cells with varied energy levels

Nano Energy ◽  
2020 ◽  
Vol 75 ◽  
pp. 105032 ◽  
Author(s):  
Xuning Zhang ◽  
Nannan Yao ◽  
Rui Wang ◽  
Yanxun Li ◽  
Dongyang Zhang ◽  
...  
Keyword(s):  
Solar Cells ◽  
Energy Loss ◽  
Organic Solar Cells ◽  
Fill Factor ◽  
Energy Levels ◽  
Trade Offs

Indole-based A–DA′D–A type acceptor-based organic solar cells achieve efficiency over 15 % with low energy loss

2020 ◽  
Vol 4 (12) ◽  
pp. 6203-6211
Author(s):  
Yu Chen ◽  
Rui Cao ◽  
Hui Liu ◽  
M. L. Keshtov ◽  
Emmanuel N. Koukaras ◽  
...  
Keyword(s):  
Solar Cells ◽  
Energy Loss ◽  
Small Molecule ◽  
Organic Solar Cells ◽  
High Performance ◽  
Power Conversion ◽  
Low Energy ◽  
Charge Generation ◽  
Small Energy ◽  
Efficient Charge

In order to increase the power conversion efficiency (PCE) of organic solar cells, developing high-performance non-fullerene small molecule acceptors is important for efficient charge generation and small energy loss.

Energy level modulation of non-fullerene acceptors enables efficient organic solar cells with small energy loss

2018 ◽  
Vol 6 (6) ◽  
pp. 2468-2475 ◽  
Author(s):  
Qiaoshi An ◽  
Wei Gao ◽  
Fujun Zhang ◽  
Jian Wang ◽  
Miao Zhang ◽  
...  
Keyword(s):  
Solar Cells ◽  
Energy Level ◽  
Energy Loss ◽  
Organic Solar Cells ◽  
Small Energy

BDTThIT-M based OSCs achieved a high PCE of 12.12% with a small energy loss of ∼0.588 eV.

A stereoregular β-dicyanodistyrylbenzene (β-DCS)-based conjugated polymer for high-performance organic solar cells with small energy loss and high quantum efficiency

2017 ◽  
Vol 5 (32) ◽  
pp. 16681-16688 ◽  
Author(s):  
Jun-Mo Park ◽  
Dong Won Kim ◽  
Hae Yeon Chung ◽  
Ji Eon Kwon ◽  
Seung Hwa Hong ◽  
...  
Keyword(s):  
Solar Cells ◽  
Energy Loss ◽  
Quantum Efficiency ◽  
Organic Solar Cells ◽  
Conjugated Polymer ◽  
High Performance ◽  
Small Energy ◽  
High Quantum Efficiency ◽  
High Quantum

We report a new β-dicyanodistyrylbenzene (β-DCS)-based polymer (PBDCS), which enables efficient fullerene and non-fullerene organic solar cells with low Eloss and high EQE.

Wide bandgap small molecular acceptors for low energy loss organic solar cells

2017 ◽  
Vol 5 (47) ◽  
pp. 12591-12596 ◽  
Author(s):  
Pan Ye ◽  
Yusheng Chen ◽  
Jianfei Wu ◽  
Xiaoxi Wu ◽  
Simiao Yu ◽  
...  
Keyword(s):  
Solar Cells ◽  
Energy Loss ◽  
Organic Solar Cells ◽  
Wide Bandgap ◽  
Low Energy ◽  
Significant Enhancement

Upon replacing thiophene moieties with thiazole ones, introducing S⋯N noncovalent conformational locks resulted in a significant enhancement of photovoltaic performances.

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