The synthesis of a multiple D-A conjugated macrocycle and its application in organic photovoltaic
File(s)
Author(s)
Type
Journal Article
Abstract
As a novel class of materials, D–A conjugated macrocycles hold significant promise for chemical science. However, their potential in photovoltaic remains largely untapped due to the complexity of introducing multiple donor and acceptor moieties into the design and synthesis of cyclic π-conjugated molecules. Here, we report a multiple D–A ring-like conjugated molecule (RCM) via the coupling of dimer molecule DBTP-C3 as a template and thiophenes in high yields. RCM exhibits a narrow optical gap (1.33 eV) and excellent thermal stability, and shows a remarkable photoluminescence yield (ΦPL) of 11.1 % in solution, much higher than non-cyclic analogues. Organic solar cell (OSC) constructed with RCM as electron acceptor shows efficient charge separation at donor-acceptor band offsets and achieves a power conversion efficiency (PCE) of 14.2 %-approximately fourfold higher than macrocycle-based OSCs reported so far. This is partly due to low non-radiative voltage loss down to 0.20 eV and a high electroluminescence yield (ΦEL) of 4×10−4. Our findings emphasize the potential of D–A cyclic conjugated molecules in advancing organic photovoltaic technology.
Date Issued
2023-11-27
Date Acceptance
2023-10-01
Citation
Angewandte Chemie International Edition, 2023, 62 (48)
ISSN
1433-7851
Publisher
Wiley
Journal / Book Title
Angewandte Chemie International Edition
Volume
62
Issue
48
Copyright Statement
Copyright © 2023 Wiley-VCH GmbH
This is the peer reviewed version of the following article: W. Liu, H. Zhang, S. Liang, T. Wang, S. He, Y. Hu, R. Zhang, H. Ning, J. Ren, A. Bakulin, F. Gao, J. Yuan, Y. Zou, Angew. Chem. Int. Ed. 2023, 62, e202311645.
, which has been published in final form at https://doi.org/10.1002/anie.202311645. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions. This article may not be enhanced, enriched or otherwise transformed into a derivative work, without express permission from Wiley or by statutory rights under applicable legislation. Copyright notices must not be removed, obscured or modified. The article must be linked to Wiley’s version of record on Wiley Online Library and any embedding, framing or otherwise making available the article or pages thereof by third parties from platforms, services and websites other than Wiley Online Library must be prohibited.
This is the peer reviewed version of the following article: W. Liu, H. Zhang, S. Liang, T. Wang, S. He, Y. Hu, R. Zhang, H. Ning, J. Ren, A. Bakulin, F. Gao, J. Yuan, Y. Zou, Angew. Chem. Int. Ed. 2023, 62, e202311645.
, which has been published in final form at https://doi.org/10.1002/anie.202311645. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions. This article may not be enhanced, enriched or otherwise transformed into a derivative work, without express permission from Wiley or by statutory rights under applicable legislation. Copyright notices must not be removed, obscured or modified. The article must be linked to Wiley’s version of record on Wiley Online Library and any embedding, framing or otherwise making available the article or pages thereof by third parties from platforms, services and websites other than Wiley Online Library must be prohibited.
Identifier
https://onlinelibrary.wiley.com/doi/10.1002/anie.202311645
Subjects
ACCEPTOR
Chemistry
CHEMISTRY
Chemistry, Multidisciplinary
Donor-Acceptor Molecules
EXCITONS
FULLERENE
HIGH-PERFORMANCE
Macrocycles
MOLECULES
Organic Photovoltaics
Physical Sciences
Science & Technology
SELECTIVE SYNTHESIS
Solar Cells
SURFACE
Publication Status
Published
Article Number
e202311645
Date Publish Online
2023-10-11