In this section
@article{Liu:2023:10.1002/anie.202311645,
author = {Liu, W and Zhang, H and Liang, S and Wang, T and He, S and Hu, Y and Zhang, R and Ning, H and Ren, J and Bakulin, A and Gao, F and Yuan, J and Zou, Y},
doi = {10.1002/anie.202311645},
journal = {Angewandte Chemie International Edition},
title = {The synthesis of a multiple D-A conjugated macrocycle and its application in organic photovoltaic},
url = {http://dx.doi.org/10.1002/anie.202311645},
volume = {62},
year = {2023}
}
TY - JOUR
AB - 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 (1.33eV) 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 0.20eV 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.
AU - Liu,W
AU - Zhang,H
AU - Liang,S
AU - Wang,T
AU - He,S
AU - Hu,Y
AU - Zhang,R
AU - Ning,H
AU - Ren,J
AU - Bakulin,A
AU - Gao,F
AU - Yuan,J
AU - Zou,Y
DO - 10.1002/anie.202311645
PY - 2023///
SN - 1433-7851
TI - The synthesis of a multiple D-A conjugated macrocycle and its application in organic photovoltaic
T2 - Angewandte Chemie International Edition
UR - http://dx.doi.org/10.1002/anie.202311645
UR - https://onlinelibrary.wiley.com/doi/10.1002/anie.202311645
VL - 62
ER -
Dr Felice Torrisi
Senior Lecturer in Chemistry of Two-Dimensional Materials
401A
Molecular Sciences Research Hub
White City Campus
f.torrisi@imperial.ac.uk
+44 (0)20 7594 5818