ACS Nano, volume 12, issue 2, pages 986-993
Metallic Ti3C2Tx MXene Gas Sensors with Ultrahigh Signal-to-Noise Ratio
Koh Hyeong Jun
,
Ren Chang E.
1
,
Kwon Ohmin
,
Maleski Kathleen
1
,
Cho Soo-Yeon
,
Anasori Babak
1
,
Kim Choong‐Ki
,
Choi Yang Kyu
,
Kim Jihan
,
Gogotsi Yury
1
,
Publication type: Journal Article
Publication date: 2018-01-25
General Physics and Astronomy
General Materials Science
General Engineering
Abstract
Achieving high sensitivity in solid-state gas sensors can allow the precise detection of chemical agents. In particular, detection of volatile organic compounds (VOCs) at the parts per billion (ppb) level is critical for the early diagnosis of diseases. To obtain high sensitivity, two requirements need to be simultaneously satisfied: (i) low electrical noise and (ii) strong signal, which existing sensor materials cannot meet. Here, we demonstrate that 2D metal carbide MXenes, which possess high metallic conductivity for low noise and a fully functionalized surface for a strong signal, greatly outperform the sensitivity of conventional semiconductor channel materials. Ti3C2Tx MXene gas sensors exhibited a very low limit of detection of 50-100 ppb for VOC gases at room temperature. Also, the extremely low noise led to a signal-to-noise ratio 2 orders of magnitude higher than that of other 2D materials, surpassing the best sensors known. Our results provide insight in utilizing highly functionalized metallic sensing channels for developing highly sensitive sensors.
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- We do not take into account publications that without a DOI.
- Statistics recalculated only for publications connected to researchers, organizations and labs registered on the platform.
- Statistics recalculated weekly.
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Kim S. J. et al. Metallic Ti3C2Tx MXene Gas Sensors with Ultrahigh Signal-to-Noise Ratio // ACS Nano. 2018. Vol. 12. No. 2. pp. 986-993.
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Kim S. J., Koh H. J., Ren C. E., Kwon O., Maleski K., Cho S., Anasori B., Kim C., Choi Y. K., Kim J., Gogotsi Y., Jung H. Metallic Ti3C2Tx MXene Gas Sensors with Ultrahigh Signal-to-Noise Ratio // ACS Nano. 2018. Vol. 12. No. 2. pp. 986-993.
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TY - JOUR
DO - 10.1021/acsnano.7b07460
UR - https://doi.org/10.1021%2Facsnano.7b07460
TI - Metallic Ti3C2Tx MXene Gas Sensors with Ultrahigh Signal-to-Noise Ratio
T2 - ACS Nano
AU - Koh, Hyeong Jun
AU - Ren, Chang E.
AU - Maleski, Kathleen
AU - Anasori, Babak
AU - Choi, Yang Kyu
AU - Gogotsi, Yury
AU - Jung, Hee‐Tae
AU - Kim, Seon Joon
AU - Kwon, Ohmin
AU - Cho, Soo-Yeon
AU - Kim, Choong‐Ki
AU - Kim, Jihan
PY - 2018
DA - 2018/01/25 00:00:00
PB - American Chemical Society (ACS)
SP - 986-993
IS - 2
VL - 12
SN - 1936-0851
SN - 1936-086X
ER -
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@article{2018_Kim
author = {Hyeong Jun Koh and Chang E. Ren and Kathleen Maleski and Babak Anasori and Yang Kyu Choi and Yury Gogotsi and Hee‐Tae Jung and Seon Joon Kim and Ohmin Kwon and Soo-Yeon Cho and Choong‐Ki Kim and Jihan Kim},
title = {Metallic Ti3C2Tx MXene Gas Sensors with Ultrahigh Signal-to-Noise Ratio},
journal = {ACS Nano},
year = {2018},
volume = {12},
publisher = {American Chemical Society (ACS)},
month = {jan},
url = {https://doi.org/10.1021%2Facsnano.7b07460},
number = {2},
pages = {986--993},
doi = {10.1021/acsnano.7b07460}
}
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MLA
Copy
Kim, Seon Joon, et al. “Metallic Ti3C2Tx MXene Gas Sensors with Ultrahigh Signal-to-Noise Ratio.” ACS Nano, vol. 12, no. 2, Jan. 2018, pp. 986-993. https://doi.org/10.1021%2Facsnano.7b07460.