Improved performances of PCDTBT:PC71BM BHJ solar cells through incorporating small molecule donor

2015 ◽  
Vol 17 (40) ◽  
pp. 26777-26782 ◽  
Author(s):  
Youqin Zhu ◽  
Lin Yang ◽  
Suling Zhao ◽  
Yan Huang ◽  
Zheng Xu ◽  
...  
Keyword(s):  
Absorption Spectrum ◽  
Solar Cells ◽  
Energy Loss ◽  
Small Molecule

Incorporating SQ-BP into a PCDTBT:PC71BM host blend not only broadens the absorption spectrum but also decreases the energy loss of excited PCDTBT.

High-performance nonfullerene polymer solar cells based on a fluorinated wide bandgap copolymer with a high open-circuit voltage of 1.04 V

2017 ◽  
Vol 5 (42) ◽  
pp. 22180-22185 ◽  
Author(s):  
Yan Wang ◽  
Qunping Fan ◽  
Xia Guo ◽  
Wanbin Li ◽  
Bing Guo ◽  
...  
Keyword(s):  
Solar Cells ◽  
Energy Loss ◽  
Small Molecule ◽  
High Performance ◽  
Open Circuit Voltage ◽  
Polymer Solar Cells ◽  
Wide Bandgap ◽  
Open Circuit

Nonfullerene polymer solar cells based on a polymer donor PM6 containing a fluorinated-thienyl benzodithiophene unit and a small molecule acceptor ITIC showed a PCE of 9.7% with a Voc of up to 1.04 V and an energy loss as low as 0.51 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.

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.

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.

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...

Absorption Spectrum‐Compensating Configuration Reduces the Energy Loss of Nonfullerene Organic Solar Cells

2021 ◽  
pp. 2109735
Author(s):  
Hao Ren ◽  
Yunlong Ma ◽  
Hui‐Min Liu ◽  
Jing‐De Chen ◽  
Ye‐Fan Zhang ◽  
...  
Keyword(s):  
Absorption Spectrum ◽  
Solar Cells ◽  
Energy Loss ◽  
Organic Solar Cells

Overcoming the energy loss in asymmetrical non-fullerene acceptor-based polymer solar cells by halogenation of polymer donors

2019 ◽  
Vol 7 (25) ◽  
pp. 15404-15410 ◽  
Author(s):  
Qunping Fan ◽  
Tao Liu ◽  
Wei Gao ◽  
Yiqun Xiao ◽  
Jingnan Wu ◽  
...  
Keyword(s):  
Solar Cells ◽  
Energy Loss ◽  
Small Molecule ◽  
Polymer Solar Cells

PSCs based on polymer donors (PM6 and PM7) and an asymmetrical small molecule acceptor (IDT6CN-M) were developed and achieved a high PCE of 13.3% with a high Voc of over 1.0 V.

An A–D–A′–D–A type small molecule acceptor with a broad absorption spectrum for organic solar cells

2018 ◽  
Vol 54 (3) ◽  
pp. 303-306 ◽  
Author(s):  
Junhui Miao ◽  
Bin Meng ◽  
Jun Liu ◽  
Lixiang Wang
Keyword(s):  
Absorption Spectrum ◽  
Solar Cells ◽  
Charge Transfer ◽  
Absorption Spectra ◽  
Small Molecule ◽  
Organic Solar Cells ◽  
Intramolecular Charge Transfer ◽  
Transfer Effect ◽  
Broad Absorption

The use of an A–D–A′–D–A strategy to develop small molecule acceptors with broad absorption spectra through suppressing the intramolecular charge transfer effect is studied.

STFTYT: A simple and broadly absorbing small molecule for efficient organic solar cells with a very low energy loss

2018 ◽  
Vol 57 ◽  
pp. 45-52 ◽  
Author(s):  
Jian Wang ◽  
Wengong Wang ◽  
Xinning Dong ◽  
Guo Wang ◽  
Zhi-Guo Zhang ◽  
...  
Keyword(s):  
Solar Cells ◽  
Energy Loss ◽  
Small Molecule ◽  
Organic Solar Cells ◽  
Low Energy
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