Conditions for efficient charge generation preceded by energy transfer process in non-fullerene organic solar cells

2021 ◽  
Author(s):  
L. Benatto ◽  
C. A. M. Moraes ◽  
G. Candiotto ◽  
K. R. A. Sousa ◽  
J. P. A. Souza ◽  
...  
Keyword(s):  
Energy Transfer ◽  
Solar Cells ◽  
Binding Energy ◽  
Transfer Process ◽  
Organic Solar Cells ◽  
Driving Force ◽  
Energy Transfer Process ◽  
Simple Relationship ◽  
Charge Generation ◽  
Efficient Charge

Our results provide a simple relationship involving the driving force and binding energy of CT state to maximize charge generation in non-fullerene organic solar cells.

Over 16.5% Efficiency in Ternary Organic Solar Cells by Adding an Alloyed Acceptor with Energy Transfer Process

2021 ◽  
pp. 109434
Author(s):  
Zhenying Su ◽  
Zheling Zhang ◽  
Guanshui Xie ◽  
Yang Zhang ◽  
Xiaoling Zhang ◽  
...  
Keyword(s):  
Energy Transfer ◽  
Solar Cells ◽  
Transfer Process ◽  
Organic Solar Cells ◽  
Energy Transfer Process

Rational compatibility in ternary matrix enables all-small-molecule organic solar cells with over 16% efficiency

2021 ◽  
Author(s):  
Mengyun Jiang ◽  
Hairui Bai ◽  
Hongfu Zhi ◽  
Lu Yan ◽  
Han Young Woo ◽  
...  
Keyword(s):  
Solar Cells ◽  
Phase Separation ◽  
Small Molecule ◽  
Organic Solar Cells ◽  
Charge Generation ◽  
Molecular Arrangement ◽  
Efficient Charge

How to manipulate the phase separation and molecular arrangement to meet the need of efficient charge generation and extraction remains as the long-standing challenge in all-small-molecule organic solar cells (ASM-OSCs)....

scholarly journals Field Effect versus Driving Force: Charge Generation in Small‐Molecule Organic Solar Cells

2020 ◽  
Vol 10 (47) ◽  
pp. 2002124
Author(s):  
Vasileios C. Nikolis ◽  
Yifan Dong ◽  
Jonas Kublitski ◽  
Johannes Benduhn ◽  
Xijia Zheng ◽  
...  
Keyword(s):  
Solar Cells ◽  
Small Molecule ◽  
Organic Solar Cells ◽  
Driving Force ◽  
Field Effect ◽  
Charge Generation

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.

Importance of Energetic Driving Force for Efficient Charge Separation in Non-fullerene Organic Solar Cells

2019 ◽  
Author(s):  
SAFAKATH KARUTHEDATH ◽  
Julien Gorenflot ◽  
Anastasia Markina ◽  
Yuliar Firdaus ◽  
Ahmed H. Balawi ◽  
...  
Keyword(s):  
Solar Cells ◽  
Organic Solar Cells ◽  
Charge Separation ◽  
Driving Force ◽  
Efficient Charge

High‐Efficient Charge Generation in Single‐Donor‐Component‐Based p‐i‐n Structure Organic Solar Cells

Solar RRL ◽  
2020 ◽  
Vol 4 (4) ◽  
pp. 1900580 ◽  
Author(s):  
Yajie Zhang ◽  
Dan Deng ◽  
Qiong Wu ◽  
Yang Mi ◽  
Chen Yang ◽  
...  
Keyword(s):  
Solar Cells ◽  
Organic Solar Cells ◽  
Charge Generation ◽  
Single Donor ◽  
High Efficient ◽  
Efficient Charge

High-Efficiency Ternary Polymer Solar Cells Based on Intense FRET Energy Transfer Process

Solar RRL ◽  
2018 ◽  
Vol 2 (8) ◽  
pp. 1800101 ◽  
Author(s):  
Weichao Chen ◽  
Huanxiang Jiang ◽  
Gongyue Huang ◽  
Jun Zhang ◽  
Mian Cai ◽  
...  
Keyword(s):  
Energy Transfer ◽  
Solar Cells ◽  
Transfer Process ◽  
High Efficiency ◽  
Energy Transfer Process ◽  
Polymer Solar Cells ◽  
Ternary Polymer

Strong addition effect of n-type polymer with mid-energy level in polymer:fullerene solar cells with power conversion efficiency exceeding 10%

2018 ◽  
Vol 6 (17) ◽  
pp. 7480-7487 ◽  
Author(s):  
Hyemi Han ◽  
Jooyeok Seo ◽  
Myeonghun Song ◽  
Hwajeong Kim ◽  
Youngkyoo Kim
Keyword(s):  
Energy Transfer ◽  
Solar Cells ◽  
Energy Level ◽  
Power Conversion Efficiency ◽  
Transfer Process ◽  
Conjugated Polymer ◽  
Bulk Heterojunction ◽  
Energy Transfer Process ◽  
Power Conversion ◽  
Cascade Energy

The efficiency of inverted-type polymer:fullerene solar cells is greatly enhanced up to >10% by adding only 0.5 wt% of n-type conjugated polymer (THBT-ht) as a mid-energy level additive due to the efficient cascade energy transfer process in the bulk heterojunction layers with finer nanoscale morphology.

Synergistic Effect Incorporating Intra- and Inter-Molecular Charge Transfer in Nonfullerene Acceptor Molecules for High-Efficient Organic Solar Cells

2021 ◽  
Author(s):  
Yiwen Ji ◽  
Lingxia Xu ◽  
Hang Yin ◽  
Bin Cui ◽  
Longlong Zhang ◽  
...  
Keyword(s):  
Solar Cells ◽  
Charge Transfer ◽  
Organic Solar Cells ◽  
Specific Mechanism ◽  
Charge Generation ◽  
High Efficient ◽  
Molecular Charge ◽  
Efficient Charge ◽  
Donor Acceptor ◽  
Nonfullerene Acceptor

Organic solar cells (OSCs) based on nonfullerene acceptors (NFAs) have achieved rapid developments benefiting from the near-zero donor/acceptor (D/A) energy offset. However, a specific mechanism underlying the high-efficient charge generation...

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