Design and synthesis of medium-bandgap small-molecule electron acceptors for efficient tandem solar cells

2018 ◽  
Vol 6 (28) ◽  
pp. 13588-13592 ◽  
Author(s):  
Qihui Yue ◽  
Zichun Zhou ◽  
Shengjie Xu ◽  
Jianyun Zhang ◽  
Xiaozhang Zhu
Keyword(s):  
Solar Cells ◽  
Small Molecule ◽  
Organic Solar Cells ◽  
Electron Acceptors ◽  
Tandem Solar Cells ◽  
Single Junction ◽  
Design And Synthesis

Organic solar cells based on new medium-bandgap small-molecule electron acceptors reach PCEs of 10.05% and 11.86% in single-junction and tandem devices, respectively.

Molecular electron acceptors for efficient fullerene-free organic solar cells

2017 ◽  
Vol 19 (5) ◽  
pp. 3440-3458 ◽  
Author(s):  
Shuixing Li ◽  
Zhongqiang Zhang ◽  
Minmin Shi ◽  
Chang-Zhi Li ◽  
Hongzheng Chen
Keyword(s):  
Solar Cells ◽  
Small Molecule ◽  
Organic Solar Cells ◽  
Wide Bandgap ◽  
Electron Acceptors ◽  
Electron Donors ◽  
Molecular Electron ◽  
Narrow Bandgap

Small molecule electron acceptors pairing with wide bandgap or narrow bandgap electron donors are reviewed and discussed for fullerene-free organic solar cells.

An efficient medium-bandgap nonfullerene acceptor for organic solar cells

2020 ◽  
Vol 8 (18) ◽  
pp. 8857-8861 ◽  
Author(s):  
Qishi Liu ◽  
Ke Jin ◽  
Wenting Li ◽  
Zuo Xiao ◽  
Ming Cheng ◽  
...  
Keyword(s):  
Solar Cells ◽  
Organic Solar Cells ◽  
Power Conversion ◽  
Tandem Solar Cells ◽  
Single Junction ◽  
Conversion Efficiencies ◽  
Nonfullerene Acceptor

A medium-bandgap nonfullerene acceptor IBCT was developed, delivering 11.26% and 15.25% power conversion efficiencies in single-junction and tandem solar cells, respectively.

Importance of molecular rigidity on reducing the energy losses in organic solar cells: Implication from geometric relaxations of A-D-A electron acceptors

2021 ◽  
Author(s):  
Ruihong Duan ◽  
Guangchao Han ◽  
Lingbo Qu ◽  
Yuanping Yi
Keyword(s):  
Solar Cells ◽  
Small Molecule ◽  
Organic Solar Cells ◽  
Power Conversion ◽  
Electron Acceptors ◽  
Energy Losses ◽  
Donor Acceptor ◽  
Molecular Rigidity ◽  
Conversion Efficiencies

Owing to the emergence of small-molecule acceptors with acceptor-donor-acceptor (A-D-A) structures, organic solar cells (OSCs) have developed rapidly in recent years. Currently, the power conversion efficiencies (PCEs) of the OSCs...

Annealing-free efficient organic solar cells via an alkylbenzene side-chain strategy of small-molecule electron acceptors

2020 ◽  
Vol 8 (42) ◽  
pp. 22155-22162
Author(s):  
Yufang Han ◽  
Wei Song ◽  
Jinsheng Zhang ◽  
Lin Xie ◽  
Jingbo Xiao ◽  
...  
Keyword(s):  
Solar Cells ◽  
Small Molecule ◽  
Organic Solar Cells ◽  
High Efficiency ◽  
Electron Acceptors ◽  
Organic Photovoltaic ◽  
Side Chain

14.54% high efficiency for annealing-free organic solar cells is achieved by employing a binary PM6:C6 system, and it is one of the highest PCEs of annealing-free OSCs up to now and can promote the development of the organic photovoltaic industry.

Nonfullerene Electron Acceptors with Electron-deficient Units Containing Cyano Groups for Organic Solar Cells

2021 ◽  
Author(s):  
Bing Lu ◽  
Zhecheng Zhang ◽  
Jian Wang ◽  
Guilong Cai ◽  
Yue Ding ◽  
...  
Keyword(s):  
Solar Cells ◽  
Organic Solar Cells ◽  
Power Conversion ◽  
Electron Acceptors ◽  
Single Junction ◽  
Cyano Groups ◽  
Conversion Efficiencies

The performance of organic solar cells based on nonfullerene acceptors is improving rapidly, and nowadays the power conversion efficiencies of single-junction devices have achieved over 18%. Nonfullerene acceptors usually consist...

Impact of end groups on the performance of non-fullerene acceptors for organic solar cell applications

2019 ◽  
Vol 7 (40) ◽  
pp. 22701-22729 ◽  
Author(s):  
Suman Suman ◽  
Surya Prakash Singh
Keyword(s):  
Solar Cells ◽  
Solar Cell ◽  
Small Molecule ◽  
Organic Solar Cells ◽  
Organic Solar Cell ◽  
Design And Synthesis ◽  
End Groups

Non-fullerene organic solar cells employing small molecule acceptors have recently crossed the PCE of 17% through the design and synthesis of efficient acceptor materials.

scholarly journals Efficient Non-fullerene Organic Solar Cells Enabled by Sequential Fluorination of Small-Molecule Electron Acceptors

2018 ◽  
Vol 6 ◽  
Author(s):  
Ruihao Xie ◽  
Lei Ying ◽  
Hailong Liao ◽  
Zhongxin Chen ◽  
Fei Huang ◽  
...  
Keyword(s):  
Solar Cells ◽  
Small Molecule ◽  
Organic Solar Cells ◽  
Electron Acceptors
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