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.

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.

Revealing the role of solvent additives on morphology and energy loss in benzodifuran polymer based non-fullerene organic solar cells

2021 ◽  
Author(s):  
Zhi Zheng ◽  
Enfang He ◽  
Jie Wang ◽  
Zhaotong Qin ◽  
Tianqi Niu ◽  
...  
Keyword(s):  
Solar Cells ◽  
Energy Loss ◽  
Organic Solar Cells ◽  
Opposite Effect ◽  
Effective Strategy ◽  
Highly Efficient ◽  
Solvent Additive ◽  
Role Of Solvent

Solvent additive (SA) treatment is the most effective strategy to obtain highly efficient non-fullerene organic solar cells (NF-OSCs). However, NF-OSCs with SA treatment usually exhibits different or even opposite effect...

Benzo[1,2-b:4,5-b′]diselenophene-fused nonfullerene acceptors with alternative aromatic ring-based and monochlorinated end groups: a new synergistic strategy to simultaneously achieve highly efficient organic solar cells with the energy loss of 0.49 eV

2019 ◽  
Vol 7 (19) ◽  
pp. 11802-11813 ◽  
Author(s):  
Shi-Sheng Wan ◽  
Xiaopeng Xu ◽  
Jin-Liang Wang ◽  
Gui-Zhou Yuan ◽  
Zhao Jiang ◽  
...  
Keyword(s):  
Solar Cells ◽  
Energy Loss ◽  
Aromatic Ring ◽  
Organic Solar Cells ◽  
Highly Efficient ◽  
End Groups

The PCE of 13.68% with the Eloss of 0.49 eV were obtained, which were the highest values obtained to date in binary PSCs with monochlorinated NF-SMAs.

Efficient device engineering for inverted non-fullerene organic solar cells with low energy loss

2018 ◽  
Vol 6 (16) ◽  
pp. 4457-4463 ◽  
Author(s):  
Jingyang Xiao ◽  
Ziming Chen ◽  
Guichuan Zhang ◽  
Qing-Ya Li ◽  
Qingwu Yin ◽  
...  
Keyword(s):  
Solar Cells ◽  
Synergistic Effect ◽  
Energy Loss ◽  
Thermal Annealing ◽  
Organic Solar Cells ◽  
Low Energy ◽  
Device Engineering

We have systematically investigated the synergistic effect of thermal annealing and interlayer modification on improving the performance of inverted non-fullerene organic solar cells.

A thermally and mechanically stable solar cell made of a small-molecule donor and a polymer acceptor

2017 ◽  
Vol 5 (30) ◽  
pp. 15923-15931 ◽  
Author(s):  
Sora Oh ◽  
Sachin Badgujar ◽  
Da Hun Kim ◽  
Wang-Eun Lee ◽  
Nasir Khan ◽  
...  
Keyword(s):  
Thermal Stability ◽  
Solar Cells ◽  
Solar Cell ◽  
Small Molecule ◽  
Organic Solar Cells ◽  
Highly Efficient ◽  
Polymer Acceptor ◽  
Thickness Tolerance

Highly efficient and stable BDT2TR:PNDI-2T organic solar cells are investigated. Although this system shows a PCE of 4.43%, significant enhancements are observed in the thermal stability, high thickness tolerance, and flexibility as compared with the PC71BM-based organic solar cells.

scholarly journals A “roller-wheel” Pt-containing small molecule that outperforms its polymer analogs in organic solar cells

2016 ◽  
Vol 7 (9) ◽  
pp. 5798-5804 ◽  
Author(s):  
Wenhan He ◽  
Maksim Y. Livshits ◽  
Diane A. Dickie ◽  
Jianzhong Yang ◽  
Rachel Quinnett ◽  
...  
Keyword(s):  
Solar Cells ◽  
Solar Cell ◽  
Small Molecules ◽  
Small Molecule ◽  
Organic Solar Cells ◽  
Organic Solar Cell ◽  
Enhanced Crystallinity

“Roller-wheel” shaped Pt-containing molecules display enhanced crystallinity and are better performing organic solar cell materials than conventional small molecules and polymers featuring “dumbbell” shaped structures.

Terminal moiety-driven electrical performance of asymmetric small-molecule-based organic solar cells

2016 ◽  
Vol 4 (40) ◽  
pp. 15688-15697 ◽  
Author(s):  
Jianhua Huang ◽  
Shanlin Zhang ◽  
Bo Jiang ◽  
Yuxia Chen ◽  
Xinliang Zhang ◽  
...  
Keyword(s):  
Solar Cells ◽  
Small Molecules ◽  
Small Molecule ◽  
Organic Solar Cells ◽  
Electrical Performance ◽  
Alternative Choice

With respect to the successes from symmetric small molecules, asymmetric ones have recently emerged as an alternative choice.

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.

Low Nonradiative Energy Losses within 0.2 eV in Efficient Non-fullerene All-Small-Molecule Organic Solar Cells

2021 ◽  
Author(s):  
Ziyun Huang ◽  
Yanan Shi ◽  
Yilin Chang ◽  
Chen Yang ◽  
Min Lv ◽  
...  
Keyword(s):  
Solar Cells ◽  
Energy Loss ◽  
Small Molecule ◽  
Organic Photovoltaics ◽  
Organic Solar Cells ◽  
Power Conversion ◽  
Large Energy ◽  
Energy Losses ◽  
Remarkable Progress

Despite the remarkable progress achieved in the field of non-fullerene acceptor (NFA)-based organic photovoltaics (OPVs) in recent years, the large energy loss remains the major factor limiting the power conversion...

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