Polymer, volume 251, pages 124892
New wide band gap π-conjugated copolymers based on anthra[1,2-b: 4,3-b': 6,7-c''] trithiophene-8,12-dione for high performance non-fullerene polymer solar cells with an efficiency of 15.07 %
Keshtov Mukhamed L
1
,
Konstantinov Igor O
1
,
Kuklin S. A.
1
,
Alekseev Vladimir G
2
,
Ostapov Ilya E
1
,
Zou Yingping
3
,
Singhal Rahul
4
,
Dahiya Hemraj
5
,
3
Publication type: Journal Article
Publication date: 2022-06-01
Materials Chemistry
Organic Chemistry
Polymers and Plastics
Abstract
Developing efficient wide-bandgap copolymer donor materials to match with narrow bandgap non-fullerene acceptors is continuously ongoing for polymer solar cells. Herein, two new D-A copolymers are designed and synthesized by embedding the same anthra[1,2-b:4,3-b':6,7-c"] trithiophene-8,12-dione (A3T) acceptor unit and different donor units, i.e., BDTTZ ( P126 ) and BDTTh ( P127 ). These copolymers showed broad absorption from 350 to 680 nm and deeper HOMO energy level. We have used these two copolymers as donors and a narrow bandgap non-fullerene acceptor Y6 to prepare bulk heterojunction polymer solar cells (PSCs). After the optimization, P126 :Y6 and P127 :Y6 attained overall power conversion efficiency of 15.07% and 12.27%, respectively. The higher PCE for the P126 than P127 is associated with the more efficient photon harvesting and photogenerated excitons, balanced charge transport, and low energy loss. Our results may help to design new polymers with a deeper highest occupied molecular orbital level that will be well-matched with non-fullerene acceptors. • We have used the approach of weak donor and strong acceptor approach to design the D-A copolymers. • Two D-A copolymers were designed with same A3T acceptor and different donors, i.e., BDTTZ ( P126 ) and BDTTh (P127 ). • Both the copolymers showed deeper HOMO energy level to achieved high V OC . • P126 :Y6 and P127 :Y6 showed power conversion efficiency of 15.07% and 12.27%, respectively.
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1 publication, 16.67%
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ACS Omega
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Ceramics International
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1 publication, 16.67%
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Citations by publishers
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1
2
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Elsevier
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Elsevier
2 publications, 33.33%
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Multidisciplinary Digital Publishing Institute (MDPI)
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Multidisciplinary Digital Publishing Institute (MDPI)
1 publication, 16.67%
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Wiley
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1 publication, 16.67%
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American Chemical Society (ACS)
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American Chemical Society (ACS)
1 publication, 16.67%
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Springer Nature
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Springer Nature
1 publication, 16.67%
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1
2
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Keshtov M. L. et al. New wide band gap π-conjugated copolymers based on anthra[1,2-b: 4,3-b': 6,7-c''] trithiophene-8,12-dione for high performance non-fullerene polymer solar cells with an efficiency of 15.07 % // Polymer. 2022. Vol. 251. p. 124892.
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Keshtov M. L., Konstantinov I. O., Khokhlov A. R., Kuklin S. A., Alekseev V. G., Ostapov I. E., Zou Y., Singhal R., Dahiya H., Sharma G. D. New wide band gap π-conjugated copolymers based on anthra[1,2-b: 4,3-b': 6,7-c''] trithiophene-8,12-dione for high performance non-fullerene polymer solar cells with an efficiency of 15.07 % // Polymer. 2022. Vol. 251. p. 124892.
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TY - JOUR
DO - 10.1016/j.polymer.2022.124892
UR - https://doi.org/10.1016%2Fj.polymer.2022.124892
TI - New wide band gap π-conjugated copolymers based on anthra[1,2-b: 4,3-b': 6,7-c''] trithiophene-8,12-dione for high performance non-fullerene polymer solar cells with an efficiency of 15.07 %
T2 - Polymer
AU - Keshtov, Mukhamed L
AU - Konstantinov, Igor O
AU - Khokhlov, Alexei R.
AU - Kuklin, S. A.
AU - Alekseev, Vladimir G
AU - Ostapov, Ilya E
AU - Zou, Yingping
AU - Singhal, Rahul
AU - Dahiya, Hemraj
AU - Sharma, Ganesh Datt
PY - 2022
DA - 2022/06/01 00:00:00
PB - Elsevier
SP - 124892
VL - 251
SN - 0032-3861
ER -
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@article{2022_Keshtov,
author = {Mukhamed L Keshtov and Igor O Konstantinov and Alexei R. Khokhlov and S. A. Kuklin and Vladimir G Alekseev and Ilya E Ostapov and Yingping Zou and Rahul Singhal and Hemraj Dahiya and Ganesh Datt Sharma},
title = {New wide band gap π-conjugated copolymers based on anthra[1,2-b: 4,3-b': 6,7-c''] trithiophene-8,12-dione for high performance non-fullerene polymer solar cells with an efficiency of 15.07 %},
journal = {Polymer},
year = {2022},
volume = {251},
publisher = {Elsevier},
month = {jun},
url = {https://doi.org/10.1016%2Fj.polymer.2022.124892},
pages = {124892},
doi = {10.1016/j.polymer.2022.124892}
}
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