scholarly journals As‐Cast Ternary Organic Solar Cells Based on an Asymmetric Side‐Chains Featured Acceptor with Reduced Voltage Loss and 14.0% Efficiency

2020 ◽  
Vol 30 (11) ◽  
pp. 1909535 ◽  
Author(s):  
Xuebin Chen ◽  
Bin Kan ◽  
Yuanyuan Kan ◽  
Ming Zhang ◽  
Sae Byeok Jo ◽  
...  
Keyword(s):  
Solar Cells ◽  
Organic Solar Cells ◽  
Side Chains ◽  
Voltage Loss

Importance of interfacial crystallinity to reduce open-circuit voltage loss in organic solar cells

2019 ◽  
Vol 115 (15) ◽  
pp. 153301 ◽  
Author(s):  
Seiichiro Izawa ◽  
Naoto Shintaku ◽  
Mitsuru Kikuchi ◽  
Masahiro Hiramoto
Keyword(s):  
Solar Cells ◽  
Organic Solar Cells ◽  
Open Circuit Voltage ◽  
Open Circuit ◽  
Voltage Loss

Polythiophenes with Carbazole Side Chains: Design, Synthesis and Their Application in Organic Solar Cells

2010 ◽  
Vol 211 (8) ◽  
pp. 948-955 ◽  
Author(s):  
Weiwei Li ◽  
Yang Han ◽  
Yulan Chen ◽  
Cuihong Li ◽  
Bingsong Li ◽  
...  
Keyword(s):  
Solar Cells ◽  
Organic Solar Cells ◽  
Side Chains ◽  
Design Synthesis

Simple furan-based polymers featuring self-healing function enable efficient eco-friendly organic solar cells with high stability

2021 ◽  
Author(s):  
Shangwen Lu ◽  
Shengchun Qu ◽  
Yingying Deng ◽  
Yueyue Gao ◽  
Gentian Yue ◽  
...  
Keyword(s):  
Dielectric Constant ◽  
Solar Cells ◽  
Organic Solar Cells ◽  
High Stability ◽  
Hole Mobility ◽  
Side Chains ◽  
Self Healing ◽  
Good Solubility ◽  
Large Dielectric Constant ◽  
Oligoethylene Glycol

Herein, two simple furan-based polymers PFO3 and PFO4 grafting oligoethylene glycol (OEG) side chains are developed. PFO3 and PFO4 feature high hole mobility, large dielectric constant and good solubility. Compared...

High-efficiency organic solar cells with low voltage-loss of 0.46 V

2020 ◽  
Vol 31 (7) ◽  
pp. 1991-1996 ◽  
Author(s):  
Zhi-Peng Yu ◽  
Xue Li ◽  
Chengliang He ◽  
Di Wang ◽  
Ran Qin ◽  
...  
Keyword(s):  
Solar Cells ◽  
Organic Solar Cells ◽  
High Efficiency ◽  
Low Voltage ◽  
Voltage Loss

scholarly journals Effect of Side-Chain Variation on Single-Crystalline Structures for Revealing the Structure–Property Relationships of Organic Solar Cells

2020 ◽  
Vol 02 (01) ◽  
pp. 026-032
Author(s):  
Chen Yang ◽  
Liu Yuan ◽  
Ruimin Zhou ◽  
Zhen Wang ◽  
Jianqi Zhang ◽  
...  
Keyword(s):  
Solar Cells ◽  
Single Crystal ◽  
Crystal Structures ◽  
Organic Solar Cells ◽  
Short Circuit ◽  
Photovoltaic Performance ◽  
Side Chains ◽  
Single Crystal Structures ◽  
Stacking Structure ◽  
Molecular Stacking

The molecular stacking assembly in the active layer plays a significant role in the photovoltaic performance of organic solar cells (OSCs). Here, we report two new small molecular donors with different side chains, FBT-O and FBT-H, and their corresponding fullerene-based OSCs. A slight change in the side chains led to a big difference in the power conversion efficiencies (PCEs). Although the molecular structures of the two donors are similar to each other, PCEs of the devices based on FBT-O were almost three times higher than those of the devices based on FBT-H, with manifold short-circuit current density, fill factor, as well as three orders of magnitude enhancement in the hole mobility. The difference in their single crystal structures was thoroughly investigated, whereby the FBT-O exhibited better planarity leading to appropriate phase separation and domain size. Furthermore, two-dimensional grazing-incidence wide-angle X-ray scattering results of the blend films revealed that the two donors retained a similar stacking structure as compared to the single-crystal structures, thus, establishing a clear relationship between the molecular stacking structure and the device performance.

Molecular engineering of acceptors to control aggregation for optimized nonfullerene solar cells

2020 ◽  
Vol 8 (11) ◽  
pp. 5458-5466 ◽  
Author(s):  
Linqiang Yang ◽  
Zhenghao Hu ◽  
Zhuohan Zhang ◽  
Jinru Cao ◽  
Hongtao Wang ◽  
...  
Keyword(s):  
Solar Cells ◽  
Organic Solar Cells ◽  
Molecular Engineering ◽  
Side Chains ◽  
Fused Ring ◽  
Alkyl Side Chains

Dual molecular engineering of alkyl side chains and halogen accepting ends of asymmetric fused-ring acceptors has been proposed for controlling aggregation for optimize organic solar cells (OSCs).

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