Significant enhancement of the photovoltaic performance of organic small molecule acceptors via side-chain engineering

2018 ◽  
Vol 6 (17) ◽  
pp. 7988-7996 ◽  
Author(s):  
Wenyan Su ◽  
Qunping Fan ◽  
Xia Guo ◽  
Juan Chen ◽  
Yan Wang ◽  
...  
Keyword(s):  
Small Molecule ◽  
Photovoltaic Performance ◽  
Significant Enhancement ◽  
Side Chain ◽  
Chain Architecture

The photovoltaic performance of PSC based on PTZ1 and IT-M is significantly improved by modulating side-chain architecture of IT-M from para-hexylphenyl to para-hexyloxylphenyl to meta-hexyloxylphenyl and a high PCE of 11.6% has been achieved.

scholarly journals An investigation of the role acceptor side chains play in the processibility and efficiency of organic solar cells fabricated from small molecular donors featuring 3,4-ethylenedioxythiophene cores

RSC Advances ◽  
2018 ◽  
Vol 8 (69) ◽  
pp. 39231-39240
Author(s):  
N. A. Mica ◽  
S. A. J. Almahmoud ◽  
L. Krishnan Jagadamma ◽  
G. Cooke ◽  
I. D. W. Samuel
Keyword(s):  
Solar Cells ◽  
Small Molecule ◽  
Organic Solar Cells ◽  
Chemical Nature ◽  
Photovoltaic Performance ◽  
Side Chain ◽  
Side Chains ◽  
Acceptor Side

The chemical nature of the acceptor side chain plays an important role in the processability and photovoltaic performance of EDOT-based small molecule donors.

Subtle side-chain tuning on terminal groups of small molecule electron acceptors for efficient fullerene-free polymer solar cells

2017 ◽  
Vol 5 (29) ◽  
pp. 15175-15182 ◽  
Author(s):  
Jie Zhu ◽  
Sunsun Li ◽  
Xiaoyu Liu ◽  
Huifeng Yao ◽  
Fenghao Wang ◽  
...  
Keyword(s):  
Solar Cells ◽  
Small Molecule ◽  
Polymer Solar Cells ◽  
Photovoltaic Performance ◽  
Electron Acceptors ◽  
Side Chain ◽  
End Groups

The influence of alkoxyl end-groups on the photovoltaic performance of small molecular acceptors was studied.

Enhancing photovoltaic performance by tuning the domain sizes of a small-molecule acceptor by side-chain-engineered polymer donors

2019 ◽  
Vol 7 (7) ◽  
pp. 3072-3082 ◽  
Author(s):  
Yu-Che Lin ◽  
Yi-Ju Lu ◽  
Cheng-Si Tsao ◽  
Akinori Saeki ◽  
Jia-Xing Li ◽  
...  
Keyword(s):  
Energy Transfer ◽  
Active Layer ◽  
Small Molecule ◽  
Organic Photovoltaics ◽  
Photovoltaic Performance ◽  
Side Chain

This paper reports side-chain-engineered polymer donors and a small-molecule acceptor that are capable of simultaneous charge and energy transfer as the active layer for organic photovoltaics.

Low band gap diketopyrrolopyrrole-based small molecule bulk heterojunction solar cells: influence of terminal side chain on morphology and photovoltaic performance

RSC Advances ◽  
2016 ◽  
Vol 6 (34) ◽  
pp. 28658-28665 ◽  
Author(s):  
Quoc Viet Hoang ◽  
Chang Eun Song ◽  
In-Nam Kang ◽  
Sang-Jin Moon ◽  
Sang Kyu Lee ◽  
...  
Keyword(s):  
Physical Properties ◽  
Small Molecules ◽  
Band Gap ◽  
Small Molecule ◽  
Bulk Heterojunction ◽  
Photovoltaic Performance ◽  
Photovoltaic Property ◽  
Side Chain ◽  
Low Band Gap ◽  
Heterojunction Solar Cells

Two low band gap small molecules based on DPP with different terminal side chains were synthesized. They show similar physical properties but different photovoltaic property.

Significant enhancement of photovoltaic performance through introducing S⋯N conformational locks

2017 ◽  
Vol 5 (41) ◽  
pp. 21674-21678 ◽  
Author(s):  
Simiao Yu ◽  
Yusheng Chen ◽  
Lei Yang ◽  
Pan Ye ◽  
Jianfei Wu ◽  
...  
Keyword(s):  
Small Molecule ◽  
Photovoltaic Performance ◽  
Significant Enhancement

A novel high photovoltaic performance small molecule was achieved through introducing S⋯N noncovalent conformational locks.

An oligothiophene chromophore with a macrocyclic side chain: synthesis, morphology, charge transport, and photovoltaic performance

RSC Advances ◽  
2016 ◽  
Vol 6 (104) ◽  
pp. 102043-102056 ◽  
Author(s):  
Swaminathan Venkatesan ◽  
Jianyuan Sun ◽  
Lianjie Zhang ◽  
Ashish Dubey ◽  
Andrew Sykes ◽  
...  
Keyword(s):  
Solar Cell ◽  
Charge Transport ◽  
Small Molecule ◽  
Thermal Aging ◽  
Stability Problem ◽  
Photovoltaic Performance ◽  
Side Chain ◽  
Morphological Stability ◽  
Chain Synthesis ◽  
Ring Protection

Molecular chromophores tend to form crystals beyond nanometer sizes upon thermal aging. A novel ring-protection structure has shown promise to solve morphological stability problem of solution-processed small molecule solar cell devices.

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