Metallic Ti3C2Tx MXene Gas Sensors with Ultrahigh Signal-to-Noise Ratio
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. Furthermore, our results provide insight in utilizing highly functionalized metallic sensing channels for developing highly sensitive sensors.
- Authors:
-
[2];
[2];
[4];
[2];
[6]
- Korea Advanced Institute of Science and Technology (KAIST), Daejeon (Korea). National Research Lab. for Organic Optoelectronic Materials
- Drexel Univ., Philadelphia, PA (United States). A.J. Drexel Nanomaterials Institute
- Korea Advanced Institute of Science and Technology (KAIST), Daejeon (Korea). Dept. of Chemical and Biomolecular Engineering (BK-21 Plus)
- Korea Advanced Institute of Science and Technology (KAIST), Daejeon (Korea). School of Electrical Engineering
- Korea Advanced Institute of Science and Technology (KAIST), Daejeon (Korea). Dept. of Chemical and Biomolecular Engineering (BK-21 Plus) and KAIST Inst. for Nanocentury
- Korea Advanced Institute of Science and Technology (KAIST), Daejeon (Korea). National Research Lab. for Organic Optoelectronic Materials and KAIST Inst. for Nanocentury
- Publication Date:
- Research Org.:
- Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). National Energy Research Scientific Computing Center (NERSC)
- Sponsoring Org.:
- USDOE Office of Science (SC)
- OSTI Identifier:
- 1488925
- Grant/Contract Number:
- AC02-05CH11231
- Resource Type:
- Accepted Manuscript
- Journal Name:
- ACS Nano
- Additional Journal Information:
- Journal Volume: 12; Journal Issue: 2; Journal ID: ISSN 1936-0851
- Publisher:
- American Chemical Society (ACS)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 47 OTHER INSTRUMENTATION; gas sensing; metallic channel; MXene; signal-to-noise ratio; titanium carbide; two-dimensional materials; volatile organic compound
Citation Formats
Kim, Seon Joon, Koh, Hyeong -Jun, Ren, Chang E., Kwon, Ohmin, Maleski, Kathleen, Cho, Soo -Yeon, Anasori, Babak, Kim, Choong -Ki, Choi, Yang -Kyu, Kim, Jihan, Gogotsi, Yury, and Jung, Hee -Tae. Metallic Ti3C2Tx MXene Gas Sensors with Ultrahigh Signal-to-Noise Ratio. United States: N. p., 2018.
Web. https://doi.org/10.1021/acsnano.7b07460.
Kim, Seon Joon, Koh, Hyeong -Jun, Ren, Chang E., Kwon, Ohmin, Maleski, Kathleen, Cho, Soo -Yeon, Anasori, Babak, Kim, Choong -Ki, Choi, Yang -Kyu, Kim, Jihan, Gogotsi, Yury, & Jung, Hee -Tae. Metallic Ti3C2Tx MXene Gas Sensors with Ultrahigh Signal-to-Noise Ratio. United States. https://doi.org/10.1021/acsnano.7b07460
Kim, Seon Joon, Koh, Hyeong -Jun, Ren, Chang E., Kwon, Ohmin, Maleski, Kathleen, Cho, Soo -Yeon, Anasori, Babak, Kim, Choong -Ki, Choi, Yang -Kyu, Kim, Jihan, Gogotsi, Yury, and Jung, Hee -Tae. Thu .
"Metallic Ti3C2Tx MXene Gas Sensors with Ultrahigh Signal-to-Noise Ratio". United States. https://doi.org/10.1021/acsnano.7b07460. https://www.osti.gov/servlets/purl/1488925.
@article{osti_1488925,
title = {Metallic Ti3C2Tx MXene Gas Sensors with Ultrahigh Signal-to-Noise Ratio},
author = {Kim, Seon Joon and Koh, Hyeong -Jun and Ren, Chang E. and Kwon, Ohmin and Maleski, Kathleen and Cho, Soo -Yeon and Anasori, Babak and Kim, Choong -Ki and Choi, Yang -Kyu and Kim, Jihan and Gogotsi, Yury and Jung, Hee -Tae},
abstractNote = {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. Furthermore, our results provide insight in utilizing highly functionalized metallic sensing channels for developing highly sensitive sensors.},
doi = {10.1021/acsnano.7b07460},
journal = {ACS Nano},
number = 2,
volume = 12,
place = {United States},
year = {2018},
month = {1}
}
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Figure 1.: Schematic illustration of Ti3C2Tx films and their structural and surface characterizations. (a) Schematic illustration of the Ti3C2Tx films and its atomic structure. (b) Scanning electron microscopy (SEM) image of the film surface, and a photographic image of a film sensor (inset). The width of the substrate in themore »
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pH-Response of polycation/Ti 3 C 2 T x MXene layer-by-layer assemblies for use as resistive sensors
journal, January 2020
- Echols, Ian J.; An, Hyosung; Zhao, Xiaofei
- Molecular Systems Design & Engineering, Vol. 5, Issue 1
Microsphere‐Like SiO 2 /MXene Hybrid Material Enabling High Performance Anode for Lithium Ion Batteries
journal, December 2019
- Mu, Ge; Mu, Daobin; Wu, Borong
- Small, Vol. 16, Issue 3
Recent Progress of MXene-Based Nanomaterials in Flexible Energy Storage and Electronic Devices
journal, December 2018
- Yang, Qi; Wang, Yukun; Li, Xinliang
- Energy & Environmental Materials, Vol. 1, Issue 4
From the perspectives of DFT calculations, thermodynamic modeling, and kinetic Monte Carlo simulations: the interaction between hydrogen and Sc 2 C monolayers
journal, January 2020
- Le, Thong Nguyen-Minh; Chiu, Cheng-chau; Kuo, Jer-Lai
- Physical Chemistry Chemical Physics, Vol. 22, Issue 8
Thickness biased capture of CO 2 on carbide MXenes
journal, January 2019
- Morales-García, Ángel; Mayans-Llorach, Marc; Viñes, Francesc
- Physical Chemistry Chemical Physics, Vol. 21, Issue 41
A flexible VOCs sensor based on a 3D Mxene framework with a high sensing performance
journal, January 2018
- Yuan, Wenjing; Yang, Kai; Peng, Huifen
- Journal of Materials Chemistry A, Vol. 6, Issue 37
A New Memristor with 2D Ti 3 C 2 T x MXene Flakes as an Artificial Bio‐Synapse
journal, May 2019
- Yan, Xiaobing; Wang, Kaiyang; Zhao, Jianhui
- Small, Vol. 15, Issue 25
Interface‐Regulated Contact Electrification for Power‐Free and Highly Selective Gas Sensing
journal, August 2019
- Wu, Chunyan; Liang, Yanping; Hu, Wenwen
- Advanced Intelligent Systems, Vol. 1, Issue 6
High‐performance flexible sensing devices based on polyaniline/MXene nanocomposites
journal, August 2019
- Zhao, Lianjia; Wang, Kang; Wei, Wei
- InfoMat, Vol. 1, Issue 3
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