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.

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.

Elimination of Charge Transfer Energy Loss by Introducing a Small-Molecule Secondary Donor into Fullerene-Based Polymer Solar Cells

2020 ◽  
Vol 3 (9) ◽  
pp. 8375-8382
Author(s):  
Do Hui Kim ◽  
Jiho Ryu ◽  
Febrian Tri Adhi Wibowo ◽  
Song Yi Park ◽  
Jin Young Kim ◽  
...  
Keyword(s):  
Solar Cells ◽  
Charge Transfer ◽  
Energy Loss ◽  
Small Molecule ◽  
Polymer Solar Cells ◽  
Transfer Energy ◽  
Charge Transfer Energy

Thermally stable high performance non-fullerene polymer solar cells with low energy loss by using ladder-type small molecule acceptors

2017 ◽  
Vol 44 ◽  
pp. 217-224 ◽  
Author(s):  
Qing-Ya Li ◽  
Jingyang Xiao ◽  
Lu-Ming Tang ◽  
Hua-Chun Wang ◽  
Ziming Chen ◽  
...  
Keyword(s):  
Solar Cells ◽  
Energy Loss ◽  
Small Molecule ◽  
High Performance ◽  
Polymer Solar Cells ◽  
Low Energy ◽  
Thermally Stable

A small molecule acceptor with a heptacyclic benzodi(thienocyclopentafuran) central unit achieving 13.4% efficiency in polymer solar cells with low energy loss

2021 ◽  
Author(s):  
Kun Wang ◽  
Juan Chen ◽  
Jun Hu ◽  
Xia Guo ◽  
Maojie Zhang ◽  
...  
Keyword(s):  
Solar Cells ◽  
Energy Loss ◽  
Small Molecule ◽  
Polymer Solar Cells ◽  
Low Energy ◽  
Central Unit

Two new small molecule acceptors based on heptacyclic benzodi(thienocyclopentafuran) (BFH) unit were developed. The optimal PSCs based on PM6: BFHIC-4F achieved a PCE of 13.4% with a low Eloss of 0.58 eV.

An alcohol-soluble small molecule as efficient cathode interfacial layer materials for polymer solar cells

2021 ◽  
Vol 113 ◽  
pp. 110909 ◽  
Author(s):  
Can Chen ◽  
Chunlin Zhang ◽  
Yichun Peng ◽  
Ningning Wang ◽  
Xingpeng Liu ◽  
...  
Keyword(s):  
Solar Cells ◽  
Small Molecule ◽  
Interfacial Layer ◽  
Polymer Solar Cells

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.

A Large‐Bandgap Guest Material Enabling Improved Efficiency and Reduced Energy Loss for Ternary Polymer Solar Cells

Solar RRL ◽  
2021 ◽  
pp. 2100013
Author(s):  
Hang Yang ◽  
Yingying Dong ◽  
Hongyu Fan ◽  
Yue Wu ◽  
Chaohua Cui ◽  
...  
Keyword(s):  
Solar Cells ◽  
Energy Loss ◽  
Polymer Solar Cells ◽  
Ternary Polymer

A minimal benzo[c][1,2,5]thiadiazole-based electron acceptor as a third component material for ternary polymer solar cells with efficiencies exceeding 16.0%

2020 ◽  
Vol 7 (1) ◽  
pp. 117-124 ◽  
Author(s):  
Yunlong Ma ◽  
Xiaobo Zhou ◽  
Dongdong Cai ◽  
Qisheng Tu ◽  
Wei Ma ◽  
...  
Keyword(s):  
Solar Cells ◽  
Small Molecule ◽  
Electron Acceptor ◽  
Polymer Solar Cells ◽  
Binary Blends ◽  
Component Material ◽  
Ternary Polymer

A simple small molecule of BTF is used as a third component in the binary blends of J71:ITIC and PM6:Y6 to achieve efficient ternary polymer solar cells with enhanced PCEs of 12.35% and 16.53%, respectively.

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