High‐Performance Optoelectronic Gas Sensing Based on All‐Inorganic Mixed‐Halide Perovskite Nanocrystals with Halide Engineering
Jiyun Kim
1
,
Alishba T John
2
,
Hanchen Li
1
,
Chien-Yu Huang
1
,
Chi-Yuan
3
,
Pradeep Raja Anandan
1
,
Krishnan Murugappan
4
,
Jianbo Tang
3
,
Chun-Ho Lin
1
,
Hu Long
1, 5
,
Kourosh Kalantar-zadeh
6
,
Antonio Tricoli
2, 7
,
Dewei Chu
1
,
Tom Wu
1, 8
Publication type: Journal Article
Publication date: 2023-06-17
PubMed ID:
37330645
General Chemistry
General Materials Science
Abstract
Gas sensors are of great interest to portable and miniaturized sensing technologies with applications ranging from air quality monitoring to explosive detection and medical diagnostics, but the existing chemiresistive NO2 sensors still suffer from issues such as poor sensitivity, high operating temperature, and slow recovery. Herein, a high‐performance NO2 sensors based on all‐inorganic perovskite nanocrystals (PNCs) is reported, achieving room temperature operation with ultra‐fast response and recovery time. After tailoring the halide composition, superior sensitivity of ≈67 at 8 ppm NO2 is obtained in CsPbI2Br PNC sensors with a detection level down to 2 ppb, which outperforms other nanomaterial‐based NO2 sensors. Furthermore, the remarkable optoelectronic properties of such PNCs enable dual‐mode operation, i.e., chemiresistive and chemioptical sensing, presenting a new and versatile platform for advancing high‐performance, point‐of‐care NO2 detection technologies.
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22
Total citations:
22
Citations from 2024:
21
(95.46%)
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GOST
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Kim J. et al. High‐Performance Optoelectronic Gas Sensing Based on All‐Inorganic Mixed‐Halide Perovskite Nanocrystals with Halide Engineering // Small Methods. 2023. Vol. 8. No. 2.
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Kim J., John A. T., Li H., Huang C., Chi-Yuan, Anandan P. R., Murugappan K., Tang J., Lin C., Hu Long, Kalantar-zadeh K., Tricoli A., Chu D., Wu T. High‐Performance Optoelectronic Gas Sensing Based on All‐Inorganic Mixed‐Halide Perovskite Nanocrystals with Halide Engineering // Small Methods. 2023. Vol. 8. No. 2.
Cite this
RIS
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TY - JOUR
DO - 10.1002/smtd.202300417
UR - https://doi.org/10.1002/smtd.202300417
TI - High‐Performance Optoelectronic Gas Sensing Based on All‐Inorganic Mixed‐Halide Perovskite Nanocrystals with Halide Engineering
T2 - Small Methods
AU - Kim, Jiyun
AU - John, Alishba T
AU - Li, Hanchen
AU - Huang, Chien-Yu
AU - Chi-Yuan
AU - Anandan, Pradeep Raja
AU - Murugappan, Krishnan
AU - Tang, Jianbo
AU - Lin, Chun-Ho
AU - Hu Long
AU - Kalantar-zadeh, Kourosh
AU - Tricoli, Antonio
AU - Chu, Dewei
AU - Wu, Tom
PY - 2023
DA - 2023/06/17
PB - Wiley
IS - 2
VL - 8
PMID - 37330645
SN - 2366-9608
ER -
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BibTex (up to 50 authors)
Copy
@article{2023_Kim,
author = {Jiyun Kim and Alishba T John and Hanchen Li and Chien-Yu Huang and Chi-Yuan and Pradeep Raja Anandan and Krishnan Murugappan and Jianbo Tang and Chun-Ho Lin and Hu Long and Kourosh Kalantar-zadeh and Antonio Tricoli and Dewei Chu and Tom Wu},
title = {High‐Performance Optoelectronic Gas Sensing Based on All‐Inorganic Mixed‐Halide Perovskite Nanocrystals with Halide Engineering},
journal = {Small Methods},
year = {2023},
volume = {8},
publisher = {Wiley},
month = {jun},
url = {https://doi.org/10.1002/smtd.202300417},
number = {2},
doi = {10.1002/smtd.202300417}
}
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