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.

Side chain engineering in DTBDT-based small molecules for efficient organic photovoltaics

Nanoscale ◽  
2019 ◽  
Vol 11 (29) ◽  
pp. 13845-13852 ◽  
Author(s):  
Jisu Hong ◽  
Ji Young Choi ◽  
Kyunghun Kim ◽  
Nam-Suk Lee ◽  
Jiqiang Li ◽  
...  
Keyword(s):  
Small Molecules ◽  
Small Molecule ◽  
Organic Photovoltaics ◽  
Side Chain ◽  
Solvent Vapor ◽  
Vapor Annealing ◽  
Solvent Vapor Annealing

A new small-molecule donor with a DTBDT core exhibits apposite blend morphologies and a maximum PCE of 9.18% by side chain engineering and solvent vapor annealing.

Large active layer thickness toleration of high-efficiency small molecule solar cells

2015 ◽  
Vol 3 (44) ◽  
pp. 22274-22279 ◽  
Author(s):  
Qian Zhang ◽  
Bin Kan ◽  
Xiangjian Wan ◽  
Hua Zhang ◽  
Feng Liu ◽  
...  
Keyword(s):  
Solar Cells ◽  
Layer Thickness ◽  
Active Layer ◽  
Small Molecule ◽  
High Efficiency ◽  
Power Conversion ◽  
Photovoltaic Performance ◽  
Thickness Dependence ◽  
Active Layer Thickness ◽  
Conversion Efficiencies

The thickness dependence of the photovoltaic performance for devices based on the small molecule DR3TSBDT:PC71BM was systematically investigated and the power conversion efficiencies are found to be relatively insensitive to the thickness.

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.

Fine-tuning the side-chains of non-fullerene small molecule acceptors to match with appropriate polymer donors

2018 ◽  
Vol 6 (18) ◽  
pp. 8586-8594 ◽  
Author(s):  
Meijia Chang ◽  
Yunchuang Wang ◽  
Yuan-Qiu-Qiang Yi ◽  
Xin Ke ◽  
Xiangjian Wan ◽  
...  
Keyword(s):  
Small Molecule ◽  
Organic Photovoltaics ◽  
Fine Tuning ◽  
Side Chain ◽  
Side Chains ◽  
Donor And Acceptor

Side-chain engineering of donor and acceptor materials is an important topic in the field of organic photovoltaics.

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.

Effects of morphology evolution on solution-processed small molecule photovoltaics via a solvent additive

2017 ◽  
Vol 5 (31) ◽  
pp. 7837-7844 ◽  
Author(s):  
Quoc Viet Hoang ◽  
Shafket Rasool ◽  
Sora Oh ◽  
Doan Van Vu ◽  
Da Hun Kim ◽  
...  
Keyword(s):  
Active Layer ◽  
Small Molecule ◽  
Organic Photovoltaics ◽  
Morphology Evolution ◽  
Solution Processed ◽  
Solvent Additive

A newly synthesized small molecule donor, BDTT-2DPPBFu, is designed for incorporation into the photo-active layer in solution-processed small molecule organic photovoltaics (SM-OPVs).

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.

Systematic structure modification of a low bandgap conjugated polymer improves thin film morphology and photovoltaic performance by incorporating naphthalene into side chains

2015 ◽  
Vol 3 (29) ◽  
pp. 7669-7676 ◽  
Author(s):  
Ying Sun ◽  
Chao Zhang ◽  
Qizan Huang ◽  
Bin Dai ◽  
Baoping Lin ◽  
...  
Keyword(s):  
Thin Film ◽  
Active Layer ◽  
Conjugated Polymer ◽  
Photovoltaic Performance ◽  
Side Chain ◽  
Side Chains ◽  
Film Morphology ◽  
Structure Modification ◽  
Low Bandgap ◽  
Systematic Structure

A naphthalene group was incorporated into the polymer side chain to help the active layer spontaneously form good film morphology.

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