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.

scholarly journals High open-circuit voltage small-molecule p-DTS(FBTTh2)2:ICBA bulk heterojunction solar cells – morphology, excited-state dynamics, and photovoltaic performance

2015 ◽  
Vol 3 (4) ◽  
pp. 1530-1539 ◽  
Author(s):  
Aung Ko Ko Kyaw ◽  
Dominik Gehrig ◽  
Jie Zhang ◽  
Ye Huang ◽  
Guillermo C. Bazan ◽  
...  
Keyword(s):  
Solar Cells ◽  
Excited State ◽  
Solar Cell ◽  
Small Molecule ◽  
Open Circuit Voltage ◽  
Bulk Heterojunction ◽  
Photovoltaic Performance ◽  
Open Circuit ◽  
Heterojunction Solar Cells ◽  
Bulk Heterojunction Solar Cell

A high VOC of 1V is achieved in the bulk heterojunction solar cell using the solution-processed small molecule donor p-DTS(FBTTh2)2 and indene-C60 bis-adduct acceptor.

Understanding the impact of side-chains on photovoltaic performance in efficient all-polymer solar cells

2019 ◽  
Vol 7 (40) ◽  
pp. 12641-12649 ◽  
Author(s):  
Bin Li ◽  
Qilin Zhang ◽  
Gaole Dai ◽  
Hua Fan ◽  
Xin Yuan ◽  
...  
Keyword(s):  
Solar Cells ◽  
Solar Cell ◽  
Conjugated Polymer ◽  
Polymer Solar Cell ◽  
Polymer Solar Cells ◽  
Photovoltaic Performance ◽  
Cell Performance ◽  
Side Chain ◽  
Solar Cell Performance ◽  
The Impact

We performed side-chain fluorination and alkylthio substituent in a template conjugated polymer and further investigate their impact on polymer–polymer solar cell performance.

scholarly journals 14%-efficiency fullerene-free ternary solar cell enabled by designing a short side-chain substituted small-molecule acceptor

Nano Energy ◽  
2019 ◽  
Vol 64 ◽  
pp. 103934 ◽  
Author(s):  
Yuan Chang ◽  
Xin Zhang ◽  
Yabing Tang ◽  
Monika Gupta ◽  
Dan Su ◽  
...  
Keyword(s):  
Solar Cell ◽  
Small Molecule ◽  
Side Chain ◽  
Short Side

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.

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.

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.

Solution-processable small molecule semiconductors based on pyrene-fused bisimidazole and influence of alkyl side-chain on the charge transport

RSC Advances ◽  
2016 ◽  
Vol 6 (73) ◽  
pp. 69277-69281 ◽  
Author(s):  
Hui Wen ◽  
Xiaohui Gong ◽  
Pei Han ◽  
Baoping Lin ◽  
Lei Zhang ◽  
...  
Keyword(s):  
Charge Transport ◽  
Small Molecule ◽  
Side Chain ◽  
Alkyl Side Chain ◽  
Semiconducting Properties ◽  
Solution Processable

Soluble small molecule semiconductors based on pyrene-fused biimidazole and side-chain effects on the semiconducting properties.

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.

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