In this section
@article{Zhang:2021:2515-7639/ac0c0a,
author = {Zhang, T and Moser, M and Scaccabarozzi, A and Bristow, H and Jacoutot, P and Wadsworth, A and Anthopoulos, T and McCulloch, I and Gasparini, N},
doi = {2515-7639/ac0c0a},
journal = {Journal of Physics: Materials},
pages = {1--8},
title = {Ternary organic photodetectors based on pseudo–binaries nonfullerene–based acceptors},
url = {http://dx.doi.org/10.1088/2515-7639/ac0c0a},
volume = {4},
year = {2021}
}
TY - JOUR
AB - The addition of a third component to a donor:acceptor blend is a powerful tool to enhance the power conversion efficiency of organic solar cells. Featuring a similar operating mechanism, organic photodetectors are also expected to benefit from this approach. Here, we fabricated ternary organic photodetectors, based on a polymer donor and two nonfullerene acceptors, resulting in a low dark current of 0.42 nA cm−2 at −2 V and a broadband specific detectivity of 1012 Jones. We found that exciton recombination in the binary blend is reduced in ternary devices due to the formation of a pseudo-binary microstructure with mixed donor–acceptor phases. With this approach a wide range of intermediate open-circuit voltages is accessible, without sacrificing light-to-current conversion. This results in ternary organic photodetector (TOPD) with improved Responsivity values in the near-infrared. Moreover, morphology analyses reveal that TOPD devices showed improved microstructure ordering and consequentially higher charge carrier mobilities compared to the reference devices.
AU - Zhang,T
AU - Moser,M
AU - Scaccabarozzi,A
AU - Bristow,H
AU - Jacoutot,P
AU - Wadsworth,A
AU - Anthopoulos,T
AU - McCulloch,I
AU - Gasparini,N
DO - 2515-7639/ac0c0a
EP - 8
PY - 2021///
SN - 2515-7639
SP - 1
TI - Ternary organic photodetectors based on pseudo–binaries nonfullerene–based acceptors
T2 - Journal of Physics: Materials
UR - http://dx.doi.org/10.1088/2515-7639/ac0c0a
UR - https://iopscience.iop.org/article/10.1088/2515-7639/ac0c0a
VL - 4
ER -