A benzo[1,2-d:4,5-d′]bisthiazole-based wide-bandgap copolymer semiconductor for efficient fullerene-free organic solar cells with a small energy loss of 0.50 eV

2019 ◽  
Vol 7 (10) ◽  
pp. 5234-5238 ◽  
Author(s):  
Nai-Yu Chen ◽  
Qihui Yue ◽  
Wenrui Liu ◽  
Hao-Li Zhang ◽  
Xiaozhang Zhu
Keyword(s):  
Solar Cells ◽  
Energy Loss ◽  
Organic Solar Cells ◽  
Wide Bandgap ◽  
Low Energy ◽  
Small Energy ◽  
Wide Bandgap Polymer

A wide-bandgap polymer donor based on benzo[1,2-d:4,5-d′]bisthiazole is designed and synthesized delivering a PCE of 11.08% with a low energy loss of 0.50 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.

Wide bandgap small molecular acceptors for low energy loss organic solar cells

2017 ◽  
Vol 5 (47) ◽  
pp. 12591-12596 ◽  
Author(s):  
Pan Ye ◽  
Yusheng Chen ◽  
Jianfei Wu ◽  
Xiaoxi Wu ◽  
Simiao Yu ◽  
...  
Keyword(s):  
Solar Cells ◽  
Energy Loss ◽  
Organic Solar Cells ◽  
Wide Bandgap ◽  
Low Energy ◽  
Significant Enhancement

Upon replacing thiophene moieties with thiazole ones, introducing S⋯N noncovalent conformational locks resulted in a significant enhancement of photovoltaic performances.

Small energy loss in ternary organic solar cells with a blend of cascade energy levels: two fullerene-free acceptors as the electron acceptor

2019 ◽  
Vol 7 (32) ◽  
pp. 10039-10048 ◽  
Author(s):  
Zhiyong Liu ◽  
Ning Wang
Keyword(s):  
Solar Cells ◽  
Energy Loss ◽  
Electron Acceptor ◽  
Organic Solar Cells ◽  
Energy Levels ◽  
Wide Bandgap ◽  
Small Energy ◽  
Cascade Energy

Fullerene-free organic solar cells (OSCs) were fabricated using a blend of wide bandgap donor PBDB-T and ultranarrow bandgap acceptor IEICO-4F as binary photoactive layers.

High-Performance and Low-Energy Loss Organic Solar Cells with Non-fused Ring Acceptor by Alkyl Chain Engineering

2021 ◽  
pp. 129768
Author(s):  
Dou Luo ◽  
Xue Lai ◽  
Nan Zheng ◽  
Chenghao Duan ◽  
Zhaojin Wang ◽  
...  
Keyword(s):  
Solar Cells ◽  
Energy Loss ◽  
Organic Solar Cells ◽  
High Performance ◽  
Alkyl Chain ◽  
Low Energy ◽  
Fused Ring

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.

Efficient Non‐Fullerene Organic Solar Cells Based on a Wide‐Bandgap Polymer Donor Containing an Alkylthiophenyl‐Substituted Benzodithiophene Moiety

ChemPhysChem ◽  
2019 ◽  
Vol 20 (20) ◽  
pp. 2668-2673 ◽  
Author(s):  
Ruihao Xie ◽  
Lei Ying ◽  
Kang An ◽  
Wenkai Zhong ◽  
Qingwu Yin ◽  
...  
Keyword(s):  
Solar Cells ◽  
Organic Solar Cells ◽  
Wide Bandgap ◽  
Wide Bandgap Polymer

scholarly journals High-Performance Ternary Organic Solar Cells Enabled by Combining Fullerene and Nonfullerene Electron Acceptors

2019 ◽  
Vol 01 (01) ◽  
pp. 030-037 ◽  
Author(s):  
Jianyun Zhang ◽  
Wenrui Liu ◽  
Shengjie Xu ◽  
Xiaozhang Zhu
Keyword(s):  
Solar Cells ◽  
Organic Solar Cells ◽  
High Performance ◽  
Power Conversion ◽  
Wide Bandgap ◽  
The Third ◽  
Bimolecular Recombination ◽  
Conversion Efficiencies ◽  
Wide Bandgap Polymer ◽  
Nonfullerene Acceptor

Recently, by elaborately designing nonfullerene acceptors and selecting suitable polymer donors great progresses have been made towards binary organic solar cells (OSCs) with power conversion efficiencies (PCEs) over 15%. Ternary organic photovoltaics by introducing a third component into the host binary system is recognized to be highly effective to elevate the performance through extending the light absorption, manipulating the recombination behavior of the carriers, and improving the morphology of the active layer. In this work, we synthesized a new electron-acceptor ZITI-4F matching it with the wide-bandgap polymer donor PBDB-T The PBDB-T:ZITI-4F-based OSC showed a high PCE of 12.33%. After introducing 40% of PC71BM as the third component, the ternary device achieved an improved PCE of 13.40% with simultaneously improved photovoltaic parameters. The higher performance of the ternary device can be attributed to the improved and more balanced charge mobility, reduced bimolecular recombination, and more favorable morphology. These results indicate that the cooperation of a fullerene-based acceptor and a nonfullerene acceptor to fabricate ternary OSCs is an effective approach to optimizing morphology and therefore to increase the performance of OSCs.

Efficiency enhancement of a fluorinated wide-bandgap polymer for ternary nonfullerene organic solar cells

Polymer ◽  
2020 ◽  
Vol 188 ◽  
pp. 122131 ◽  
Author(s):  
Chang Eun Song ◽  
Hyobin Ham ◽  
Jiwoong Noh ◽  
Sang Kyu Lee ◽  
In-Nam Kang
Keyword(s):  
Solar Cells ◽  
Organic Solar Cells ◽  
Wide Bandgap ◽  
Efficiency Enhancement ◽  
Wide Bandgap Polymer

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.

Sign in / Sign up

Export Citation Format

Share Document