Journal of Materials Science and Technology, volume 68, pages 216-226

Solution-processed, flexible and broadband photodetector based on CsPbBr3/PbSe quantum dot heterostructures

Jinming Hu 1
Sheng-Yi Yang 2
Zhenheng Zhang 1
Li-qin Zhao 1
Chandrasekar Perumal Veeramalai 1
Muhammad Sulaman 2
M. Saleem 1
Yi Tang 3
Libin Tang 4
Rui-Bin Liu 5
Publication typeJournal Article
Publication date2021-03-01
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor10.9
ISSN10050302
Materials Chemistry
Metals and Alloys
Ceramics and Composites
Polymers and Plastics
Mechanical Engineering
Mechanics of Materials
Abstract
Due to their promising applications in foldable displays, optical communication equipment and environmental monitoring systems, flexible and broadband optoelectronic devices have gained extensive attention in recent years. Here, a flexible and broadband photodetector based on CsPbBr3/PbSe quantum dot (QD) heterostructures is firstly presented. The integrated QD heterostructures possess consecutive detection range from ultraviolet (UV) to long-wavelength infrared (LW-IR) regions with efficient light absorption and chemical stability, in comparison with the pristine PbSe QDs. Systematic material characterizations reveal the improved exciton dissociation, carrier transport and carrier lifetime of the QD heterostructures. Flexible photodetector Ag/CsPbBr3/PbSe/Ag demonstrate a high responsivity of 7.17 A/W with a specific detectivity of 8.97 × 1012 Jones under 25 μW/cm2 365 nm illumination at 5 V. Furthermore, it could maintain 91.2 % (or 94.9 %) of its initial performance even after bending for thousands of times (or exposing in ambient air for 4 weeks). More importantly, its response time is shortened more than three orders of magnitude as that of pristine PbSe QDs-based photodetectors. Therefore, it provides a feasible and promising method for the next-generation high-performance broadband photodetectors via constructing heterostructures of various QDs.

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Hu J. et al. Solution-processed, flexible and broadband photodetector based on CsPbBr3/PbSe quantum dot heterostructures // Journal of Materials Science and Technology. 2021. Vol. 68. pp. 216-226.
GOST all authors (up to 50) Copy
Hu J., Yang S., Zhang Z., Zhao L., Veeramalai C. P., Sulaman M., Saleem M., Tang Y., Yurong Jiang 蒋., Tang L., Liu R. Solution-processed, flexible and broadband photodetector based on CsPbBr3/PbSe quantum dot heterostructures // Journal of Materials Science and Technology. 2021. Vol. 68. pp. 216-226.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1016/j.jmst.2020.06.047
UR - https://doi.org/10.1016/j.jmst.2020.06.047
TI - Solution-processed, flexible and broadband photodetector based on CsPbBr3/PbSe quantum dot heterostructures
T2 - Journal of Materials Science and Technology
AU - Hu, Jinming
AU - Yang, Sheng-Yi
AU - Zhang, Zhenheng
AU - Zhao, Li-qin
AU - Veeramalai, Chandrasekar Perumal
AU - Sulaman, Muhammad
AU - Saleem, M.
AU - Tang, Yi
AU - Yurong Jiang, 蒋玉蓉
AU - Tang, Libin
AU - Liu, Rui-Bin
PY - 2021
DA - 2021/03/01 00:00:00
PB - Springer Nature
SP - 216-226
VL - 68
SN - 1005-0302
ER -
BibTex
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BibTex Copy
@article{2021_Hu,
author = {Jinming Hu and Sheng-Yi Yang and Zhenheng Zhang and Li-qin Zhao and Chandrasekar Perumal Veeramalai and Muhammad Sulaman and M. Saleem and Yi Tang and 蒋玉蓉 Yurong Jiang and Libin Tang and Rui-Bin Liu},
title = {Solution-processed, flexible and broadband photodetector based on CsPbBr3/PbSe quantum dot heterostructures},
journal = {Journal of Materials Science and Technology},
year = {2021},
volume = {68},
publisher = {Springer Nature},
month = {mar},
url = {https://doi.org/10.1016/j.jmst.2020.06.047},
pages = {216--226},
doi = {10.1016/j.jmst.2020.06.047}
}
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