Theoretical study for tuning the HOMO level of the donor to increase the efficiency through open-circuit voltage of small molecule solar cells

2017 ◽  
Author(s):  
C M Anjali ◽  
Saravanan Chinnusamy ◽  
B. Gayathri Nath ◽  
Swathy Dathan ◽  
S Adwith ◽  
...  
Keyword(s):  
Solar Cells ◽  
Small Molecule ◽  
Open Circuit Voltage ◽  
Theoretical Study ◽  
Open Circuit ◽  
Homo Level

Design of single-porphyrin donors toward high open-circuit voltage for organic solar cells via an energy level gradient-distribution screening strategy of fragments: a theoretical study

2020 ◽  
Vol 22 (7) ◽  
pp. 4015-4022 ◽  
Author(s):  
Li-Na Wu ◽  
Ming-Yue Sui ◽  
Song Xiao ◽  
Yu-Zhong Xie ◽  
Guang-Yan Sun
Keyword(s):  
Solar Cells ◽  
Energy Level ◽  
Organic Solar Cells ◽  
Open Circuit Voltage ◽  
Theoretical Study ◽  
Screening Strategy ◽  
Open Circuit ◽  
Gradient Distribution ◽  
Homo Level

The energy level gradient-distribution screening strategy of fragments is an effective way to reduce the HOMO level and increase VOC.

Defect passivation by alcohol-soluble small molecules for efficient p–i–n planar perovskite solar cells with high open-circuit voltage

2019 ◽  
Vol 7 (37) ◽  
pp. 21140-21148 ◽  
Author(s):  
Kang Chen ◽  
Jingnan Wu ◽  
Yanan Wang ◽  
Qing Guo ◽  
Qiaoyun Chen ◽  
...  
Keyword(s):  
Solar Cells ◽  
Small Molecules ◽  
Small Molecule ◽  
Open Circuit Voltage ◽  
Perovskite Solar Cells ◽  
Open Circuit ◽  
Defect Passivation

A π-conjugated and alcohol-soluble small molecule was used to passivate defects in p–i–n Pero-SCs with a PCE of 21.40% and Voc of 1.19 V.

scholarly journals Influence of the indium tin oxide/organic interface on open-circuit voltage, recombination, and cell degradation in organic small-molecule solar cells

2011 ◽  
Vol 83 (16) ◽  
Author(s):  
Stefan Schäfer ◽  
Andreas Petersen ◽  
Thomas A. Wagner ◽  
Rolf Kniprath ◽  
Dominic Lingenfelser ◽  
...  
Keyword(s):  
Solar Cells ◽  
Small Molecule ◽  
Tin Oxide ◽  
Indium Tin Oxide ◽  
Open Circuit Voltage ◽  
Open Circuit

Organic solar cells based on a polymer acceptor and a small molecule donor with a high open-circuit voltage

2017 ◽  
Vol 5 (27) ◽  
pp. 6812-6819 ◽  
Author(s):  
Zijian Zhang ◽  
Zicheng Ding ◽  
Xiaojing Long ◽  
Chuandong Dou ◽  
Jun Liu ◽  
...  
Keyword(s):  
Solar Cells ◽  
Small Molecule ◽  
Organic Solar Cells ◽  
Open Circuit Voltage ◽  
Open Circuit ◽  
Polymer Acceptor

A BNBP-based polymer acceptor was used to develop SD/PA-type OSCs with a highVOCof 1.08 V and a PCE of 3.50%.

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.

scholarly journals Fullerene-free small molecule organic solar cells with a high open circuit voltage of 1.15 V

2016 ◽  
Vol 52 (3) ◽  
pp. 465-468 ◽  
Author(s):  
Wang Ni ◽  
Miaomiao Li ◽  
Bin Kan ◽  
Feng Liu ◽  
Xiangjian Wan ◽  
...  
Keyword(s):  
Solar Cells ◽  
Small Molecule ◽  
Organic Solar Cells ◽  
Open Circuit Voltage ◽  
Open Circuit

A small molecule acceptor named DTBTF was synthesized and a PCE of 3.84% with a Voc of 1.15 V was achieved.

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