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Wang Y, Wang Y, Jian M, Jiang Q, Li X. MXene Key Composites: A New Arena for Gas Sensors. NANO-MICRO LETTERS 2024; 16:209. [PMID: 38842597 PMCID: PMC11156835 DOI: 10.1007/s40820-024-01430-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/10/2024] [Accepted: 04/22/2024] [Indexed: 06/07/2024]
Abstract
With the development of science and technology, the scale of industrial production continues to grow, and the types and quantities of gas raw materials used in industrial production and produced during the production process are also constantly increasing. These gases include flammable and explosive gases, and even contain toxic gases. Therefore, it is very important and necessary for gas sensors to detect and monitor these gases quickly and accurately. In recent years, a new two-dimensional material called MXene has attracted widespread attention in various applications. Their abundant surface functional groups and sites, excellent current conductivity, tunable surface chemistry, and outstanding stability make them promising for gas sensor applications. Since the birth of MXene materials, researchers have utilized the efficient and convenient solution etching preparation, high flexibility, and easily functionalize MXene with other materials to prepare composites for gas sensing. This has opened a new chapter in high-performance gas sensing materials and provided a new approach for advanced sensor research. However, previous reviews on MXene-based composite materials in gas sensing only focused on the performance of gas sensing, without systematically explaining the gas sensing mechanisms generated by different gases, as well as summarizing and predicting the advantages and disadvantages of MXene-based composite materials. This article reviews the latest progress in the application of MXene-based composite materials in gas sensing. Firstly, a brief summary was given of the commonly used methods for preparing gas sensing device structures, followed by an introduction to the key attributes of MXene related to gas sensing performance. This article focuses on the performance of MXene-based composite materials used for gas sensing, such as MXene/graphene, MXene/Metal oxide, MXene/Transition metal sulfides (TMDs), MXene/Metal-organic framework (MOF), MXene/Polymer. It summarizes the advantages and disadvantages of MXene composite materials with different composites and discusses the possible gas sensing mechanisms of MXene-based composite materials for different gases. Finally, future directions and inroads of MXenes-based composites in gas sensing are presented and discussed.
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Affiliation(s)
- Yitong Wang
- Hubei Province Key Laboratory of Systems Science in Metallurgical Process, Wuhan University of Science and Technology, Wuhan, 430081, People's Republic of China
| | - Yuhua Wang
- Hubei Province Key Laboratory of Systems Science in Metallurgical Process, Wuhan University of Science and Technology, Wuhan, 430081, People's Republic of China.
| | - Min Jian
- Hubei Province Key Laboratory of Systems Science in Metallurgical Process, Wuhan University of Science and Technology, Wuhan, 430081, People's Republic of China
| | - Qinting Jiang
- Key Materials and Components of Electrical Vehicles for Overseas Expertise Introduction Center for Discipline Innovation, Institute of Advanced Electrochemical Energy and School of Materials Science and Engineering, Xi'an University of Technology, Xi'an, 710048, People's Republic of China
| | - Xifei Li
- Key Materials and Components of Electrical Vehicles for Overseas Expertise Introduction Center for Discipline Innovation, Institute of Advanced Electrochemical Energy and School of Materials Science and Engineering, Xi'an University of Technology, Xi'an, 710048, People's Republic of China.
- College of Materials Science and Engineering, Fuzhou University, Fuzhou, 350108, Fujian, People's Republic of China.
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2
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Kouao DS, Grochowska K, Stranak V, Sezemsky P, Gumieniak J, Kramek A, Karczewski J, Coy E, Hanus J, Kylian O, Sawczak M, Siuzdak K. Laser-Treated MXene as an Electrochemical Agent to Boost Properties of Semitransparent Photoelectrode Based on Titania Nanotubes. ACS NANO 2024; 18:10165-10183. [PMID: 38533789 DOI: 10.1021/acsnano.4c00092] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/28/2024]
Abstract
In this study, Ti3C2Tx underwent laser treatment to reshape it, resulting in the formation of a TiO2/Ti3C2Tx heterojunction. The interaction with laser light induced the formation of spherical TiO2 composed of an anatase-rutile phase on the Ti3C2Tx surface. Such a heterostructure was loaded over a titania nanotube (TNT) layer, and the surface area was enhanced through immersion in a TiCl4 solution followed by thermal treatment. Consequently, the photon-to-electron conversion efficiency exhibits a 10-fold increase as compared to bare TNT. Moreover, for the sample produced with optimized conditions, five times higher photoactivity is observed in comparison to bare TNT. It was shown that under visible light irradiation the most photoactive heterojunction based on the tubular layer reveals a substantial drop in the charge transfer resistance of about 32% with respect to the dark condition. This can be attributed to the narrower band gaps of the modified material and improvement of the separation efficiency of the photogenerated electron-hole pairs. Overall results suggest that this investigation underscores TiO2/Ti3C2Tx as a promising noble-metal-free material that enhances both the electrochemical and photoelectrochemical performances of electrode materials based on TNT that can be further used in light-harvesting applications.
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Affiliation(s)
- Dujearic-Stephane Kouao
- Centre for Plasma and Laser Engineering, Institute of Fluid-Flow Machinery, Polish Academy of Sciences, Fiszera 14 St., 80-231 Gdańsk, Poland
| | - Katarzyna Grochowska
- Centre for Plasma and Laser Engineering, Institute of Fluid-Flow Machinery, Polish Academy of Sciences, Fiszera 14 St., 80-231 Gdańsk, Poland
| | - Vitezslav Stranak
- Faculty of Science, University of South Bohemia, Branišovská 1760, 37005 České Budejovice, Czech Republic
| | - Petr Sezemsky
- Faculty of Science, University of South Bohemia, Branišovská 1760, 37005 České Budejovice, Czech Republic
| | - Justyna Gumieniak
- The Faculty of Mechanics and Technology, Rzeszów University of Technology, Kwiatkowskiego 4 St., 37-450 Stalowa Wola, Poland
| | - Agnieszka Kramek
- The Faculty of Mechanics and Technology, Rzeszów University of Technology, Kwiatkowskiego 4 St., 37-450 Stalowa Wola, Poland
| | - Jakub Karczewski
- Faculty of Applied Physics and Mathematics, Institute of Nanotechnology and Materials Engineering, Gdańsk University of Technology, Narutowicza 11/12 St., 80-233 Gdańsk, Poland
| | - Emerson Coy
- NanoBioMedical Centre, Adam Mickiewicz University, Wszechnicy Piastowskiej 3 St., 61-614 Poznań, Poland
| | - Jan Hanus
- Faculty of Mathematics and Physics, Charles University, V Holesovickach 2, 180 00 Praha 8, Czech Republic
| | - Ondrej Kylian
- Faculty of Mathematics and Physics, Charles University, V Holesovickach 2, 180 00 Praha 8, Czech Republic
| | - Mirosław Sawczak
- Centre for Plasma and Laser Engineering, Institute of Fluid-Flow Machinery, Polish Academy of Sciences, Fiszera 14 St., 80-231 Gdańsk, Poland
| | - Katarzyna Siuzdak
- Centre for Plasma and Laser Engineering, Institute of Fluid-Flow Machinery, Polish Academy of Sciences, Fiszera 14 St., 80-231 Gdańsk, Poland
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3
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Wang W, Yao Y, Xin J, Zhao X, Xie L, Zhu Z. Room-temperature highly sensitive triethylamine detection by few-layer Nb 2CT xMXene nanosheets. NANOTECHNOLOGY 2024; 35:215502. [PMID: 38377618 DOI: 10.1088/1361-6528/ad2b4a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Accepted: 02/20/2024] [Indexed: 02/22/2024]
Abstract
MXene, a class of two-dimensional materials that are emerging as rising stars in the field of materials, are receiving much attention in sensing. Ti3C2TxMXene, the most maturely researched MXene, is widely used in energy, biomedical, laser, and microwave shielding applications and has also been expanded to gas sensing and wearable electronics applications. Compared with Ti3C2Tx, Nb2CTxMXene is more difficult to etch and has higher resistances at room temperature; so, few studies have been reported on their use in the sensing field. Based on the preparation of few-layer Nb2CTxMXene by intercalation, this study thoroughly examined their gas-sensing properties. The successfully prepared few-layer Nb2CTxshowed good selectivity and high sensitivity to triethylamine at room temperature, with response values up to 47.2% for 50 ppm triethylamine and short response/recovery time (22/20 s). This study opens an important path for the design of novel Nb-based MXene sensors for triethylamine gas detection.
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Affiliation(s)
- Wenxing Wang
- School of Energy and Materials, Shanghai Polytechnic University, Shanghai, 201209, People's Republic of China
- School of Health Science and Engineering, University of Shanghai for Science and Technology, Shanghai, 200093, People's Republic of China
| | - Yu Yao
- School of Health Science and Engineering, University of Shanghai for Science and Technology, Shanghai, 200093, People's Republic of China
| | - Jiangang Xin
- School of Energy and Materials, Shanghai Polytechnic University, Shanghai, 201209, People's Republic of China
- School of Health Science and Engineering, University of Shanghai for Science and Technology, Shanghai, 200093, People's Republic of China
| | - Xueling Zhao
- School of Energy and Materials, Shanghai Polytechnic University, Shanghai, 201209, People's Republic of China
| | - Lili Xie
- School of Energy and Materials, Shanghai Polytechnic University, Shanghai, 201209, People's Republic of China
| | - Zhigang Zhu
- School of Health Science and Engineering, University of Shanghai for Science and Technology, Shanghai, 200093, People's Republic of China
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4
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Navitski I, Ramanaviciute A, Ramanavicius S, Pogorielov M, Ramanavicius A. MXene-Based Chemo-Sensors and Other Sensing Devices. NANOMATERIALS (BASEL, SWITZERLAND) 2024; 14:447. [PMID: 38470777 DOI: 10.3390/nano14050447] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/10/2024] [Revised: 02/15/2024] [Accepted: 02/24/2024] [Indexed: 03/14/2024]
Abstract
MXenes have received worldwide attention across various scientific and technological fields since the first report of the synthesis of Ti3C2 nanostructures in 2011. The unique characteristics of MXenes, such as superior mechanical strength and flexibility, liquid-phase processability, tunable surface functionality, high electrical conductivity, and the ability to customize their properties, have led to the widespread development and exploration of their applications in energy storage, electronics, biomedicine, catalysis, and environmental technologies. The significant growth in publications related to MXenes over the past decade highlights the extensive research interest in this material. One area that has a great potential for improvement through the integration of MXenes is sensor design. Strain sensors, temperature sensors, pressure sensors, biosensors (both optical and electrochemical), gas sensors, and environmental pollution sensors targeted at volatile organic compounds (VOCs) could all gain numerous improvements from the inclusion of MXenes. This report delves into the current research landscape, exploring the advancements in MXene-based chemo-sensor technologies and examining potential future applications across diverse sensor types.
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Affiliation(s)
- Ilya Navitski
- Department of Nanotechnology, State Research Institute Center for Physical Sciences and Technology (FTMC), Sauletekio av. 3, LT-10257 Vilnius, Lithuania
- Department of Physical Chemistry, Faculty of Chemistry and Geosciences, Institute of Chemistry, Vilnius University, Naugarduko 24, LT-03225 Vilnius, Lithuania
| | - Agne Ramanaviciute
- Department of Physical Chemistry, Faculty of Chemistry and Geosciences, Institute of Chemistry, Vilnius University, Naugarduko 24, LT-03225 Vilnius, Lithuania
| | - Simonas Ramanavicius
- Department of Organic Chemistry, State Research Institute Center for Physical Sciences and Technology, Saulėtekio av. 3, LT-10257 Vilnius, Lithuania
| | - Maksym Pogorielov
- Biomedical Research Centre, Sumy State University, 2, Kharkivska Str., 40007 Sumy, Ukraine
- Institute of Atomic Physics and Spectroscopy, University of Latvia, 3 Jelgavas St., LV-1004 Riga, Latvia
| | - Arunas Ramanavicius
- Department of Physical Chemistry, Faculty of Chemistry and Geosciences, Institute of Chemistry, Vilnius University, Naugarduko 24, LT-03225 Vilnius, Lithuania
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5
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Zhu X, Li Y, Cao P, Li P, Xing X, Yu Y, Guo R, Yang H. Recent Advances of Graphene Quantum Dots in Chemiresistive Gas Sensors. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:2880. [PMID: 37947725 PMCID: PMC10647816 DOI: 10.3390/nano13212880] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/12/2023] [Revised: 10/20/2023] [Accepted: 10/28/2023] [Indexed: 11/12/2023]
Abstract
Graphene quantum dots (GQDs), as 0D graphene nanomaterials, have aroused increasing interest in chemiresistive gas sensors owing to their remarkable physicochemical properties and tunable electronic structures. Research on GQDs has been booming over the past decades, and a number of excellent review articles have been provided on various other sensing principles of GQDs, such as fluorescence-based ion-sensing, bio-sensing, bio-imaging, and electrochemical, photoelectrochemical, and electrochemiluminescence sensing, and therapeutic, energy and catalysis applications. However, so far, there is no single review article on the application of GQDs in the field of chemiresistive gas sensing. This is our primary inspiration for writing this review, with a focus on the chemiresistive gas sensors reported using GQD-based composites. In this review, the various synthesized strategies of GQDs and its composites, gas sensing enhancement mechanisms, and the resulting sensing characteristics are presented. Finally, the current challenges and future prospects of GQDs in the abovementioned application filed have been discussed for the more rational design of advanced GQDs-based gas-sensing materials and innovative gas sensors with novel functionalities.
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Affiliation(s)
- Xiaofeng Zhu
- School of Materials Science and Engineering, Zhejiang University, Hangzhou 310027, China;
- Institute for Smart Ageing, Beijing Academy of Science and Technology, Beijing 100089, China; (Y.L.); (P.C.); (P.L.); (X.X.); (Y.Y.)
| | - Yongzhen Li
- Institute for Smart Ageing, Beijing Academy of Science and Technology, Beijing 100089, China; (Y.L.); (P.C.); (P.L.); (X.X.); (Y.Y.)
| | - Pei Cao
- Institute for Smart Ageing, Beijing Academy of Science and Technology, Beijing 100089, China; (Y.L.); (P.C.); (P.L.); (X.X.); (Y.Y.)
| | - Peng Li
- Institute for Smart Ageing, Beijing Academy of Science and Technology, Beijing 100089, China; (Y.L.); (P.C.); (P.L.); (X.X.); (Y.Y.)
| | - Xinzhu Xing
- Institute for Smart Ageing, Beijing Academy of Science and Technology, Beijing 100089, China; (Y.L.); (P.C.); (P.L.); (X.X.); (Y.Y.)
| | - Yue Yu
- Institute for Smart Ageing, Beijing Academy of Science and Technology, Beijing 100089, China; (Y.L.); (P.C.); (P.L.); (X.X.); (Y.Y.)
| | - Ruihua Guo
- Institute for Smart Ageing, Beijing Academy of Science and Technology, Beijing 100089, China; (Y.L.); (P.C.); (P.L.); (X.X.); (Y.Y.)
| | - Hui Yang
- School of Materials Science and Engineering, Zhejiang University, Hangzhou 310027, China;
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6
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John RAB, Vijayan K, Septiani NLW, Hardiansyah A, Kumar AR, Yuliarto B, Hermawan A. Gas-Sensing Mechanisms and Performances of MXenes and MXene-Based Heterostructures. SENSORS (BASEL, SWITZERLAND) 2023; 23:8674. [PMID: 37960373 PMCID: PMC10650624 DOI: 10.3390/s23218674] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/07/2023] [Revised: 10/06/2023] [Accepted: 10/15/2023] [Indexed: 11/15/2023]
Abstract
MXenes are a class of 2D transition-metal carbides, nitrides, and carbonitrides with exceptional properties, including substantial electrical and thermal conductivities, outstanding mechanical strength, and a considerable surface area, rendering them an appealing choice for gas sensors. This manuscript provides a comprehensive analysis of heterostructures based on MXenes employed in gas-sensing applications and focuses on addressing the limited understanding of the sensor mechanisms of MXene-based heterostructures while highlighting their potential to enhance gas-sensing performance. The manuscript begins with a broad overview of gas-sensing mechanisms in both pristine materials and MXene-based heterostructures. Subsequently, it explores various features of MXene-based heterostructures, including their composites with other materials and their prospects for gas-sensing applications. Additionally, the manuscript evaluates different engineering strategies for MXenes and compares their advantages to other materials while discussing the limitations of current state-of-the-art sensors. Ultimately, this review seeks to foster collaboration and knowledge exchange within the field, facilitating the development of high-performance gas sensors based on MXenes.
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Affiliation(s)
- Riya Alice B. John
- School of Advanced Sciences, Vellore Institute of Technology, Vellore 632014, India; (R.A.B.J.); (K.V.); (A.R.K.)
| | - Karthikeyan Vijayan
- School of Advanced Sciences, Vellore Institute of Technology, Vellore 632014, India; (R.A.B.J.); (K.V.); (A.R.K.)
| | - Ni Luh Wulan Septiani
- Research Center for Advanced Materials, National Research and Innovation Agency (BRIN), South Tangerang City 15314, Indonesia; (N.L.W.S.); (A.H.)
| | - Andri Hardiansyah
- Research Center for Advanced Materials, National Research and Innovation Agency (BRIN), South Tangerang City 15314, Indonesia; (N.L.W.S.); (A.H.)
| | - A Ruban Kumar
- School of Advanced Sciences, Vellore Institute of Technology, Vellore 632014, India; (R.A.B.J.); (K.V.); (A.R.K.)
| | - Brian Yuliarto
- Advanced Functional Materials Research Group, Institut Teknologi Bandung, Bandung 40132, Indonesia;
| | - Angga Hermawan
- Research Center for Advanced Materials, National Research and Innovation Agency (BRIN), South Tangerang City 15314, Indonesia; (N.L.W.S.); (A.H.)
- Faculty of Textile Science and Technology, Shinshu University Ueda Campus, Ueda 386-8567, Japan
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Simonenko EP, Nagornov IA, Mokrushin AS, Kashevsky SV, Gorban YM, Simonenko TL, Simonenko NP, Kuznetsov NT. Low Temperature Chemoresistive Oxygen Sensors Based on Titanium-Containing Ti 2CT x and Ti 3C 2T x MXenes. MATERIALS (BASEL, SWITZERLAND) 2023; 16:4506. [PMID: 37444820 DOI: 10.3390/ma16134506] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/24/2023] [Revised: 06/16/2023] [Accepted: 06/19/2023] [Indexed: 07/15/2023]
Abstract
The chemoresistive properties of multilayer titanium-containing Ti2CTx and Ti3C2Tx MXenes, synthesized by etching the corresponding MAX phases with NaF solution in hydrochloric acid, and the composites based on them, obtained by partial oxidation directly in a sensor cell in an air flow at 150 °C, were studied. Significant differences were observed for the initial MXenes, both in microstructure and in the composition of surface functional groups, as well as in gas sensitivity. For single Ti2CTx and Ti3C2Tx MXenes, significant responses to oxygen and ammonia were observed. For their partial oxidation at a moderate temperature of 150 °C, a high humidity sensitivity (T, RH = 55%) is observed for Ti2CTx and a high and selective response to oxygen for Ti3C2Tx at 125 °C (RH = 0%). Overall, these titanium-containing MXenes and composites based on them are considered promising as receptor materials for low temperature oxygen sensors.
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Affiliation(s)
- Elizaveta P Simonenko
- Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, Leninsky pr., 31, 119991 Moscow, Russia
| | - Ilya A Nagornov
- Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, Leninsky pr., 31, 119991 Moscow, Russia
| | - Artem S Mokrushin
- Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, Leninsky pr., 31, 119991 Moscow, Russia
| | - Sergey V Kashevsky
- Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, Leninsky pr., 31, 119991 Moscow, Russia
- Mendeleev University of Chemical Technology of Russia, 125047 Moscow, Russia
| | - Yulia M Gorban
- Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, Leninsky pr., 31, 119991 Moscow, Russia
- Mendeleev University of Chemical Technology of Russia, 125047 Moscow, Russia
| | - Tatiana L Simonenko
- Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, Leninsky pr., 31, 119991 Moscow, Russia
| | - Nikolay P Simonenko
- Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, Leninsky pr., 31, 119991 Moscow, Russia
| | - Nikolay T Kuznetsov
- Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, Leninsky pr., 31, 119991 Moscow, Russia
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8
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Li C, Choi PG, Masuda Y. Large-lateral-area SnO 2 nanosheets with a loose structure for high-performance acetone sensor at the ppt level. JOURNAL OF HAZARDOUS MATERIALS 2023; 455:131592. [PMID: 37167866 DOI: 10.1016/j.jhazmat.2023.131592] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/12/2023] [Revised: 04/24/2023] [Accepted: 05/05/2023] [Indexed: 05/13/2023]
Abstract
Gas sensors with high sensitivity and high selectivity are required in practical applications to distinguish between target molecules in the detection of volatile organic compounds, real-time security alerts, and clinical diagnostics. Semiconducting tin oxide (SnO2) is highly regarded as a gas-sensing material due to its exceptional responsiveness to changes in gaseous environments and outstanding chemical stability. Herein, we successfully synthesized a large-lateral-area SnO2 nanosheet with a loose structure as a gas sensing material by a one-step facile aqueous solution process without a surfactant or template. The SnO2 sensor exhibited a remarkable sensitivity (Ra/Rg = 1.33) at 40 ppt for acetone, with a theoretical limit of detection of 1.37 ppt, which is the lowest among metal oxide semiconductor-based gas sensors. The anti-interference ability of acetone was higher than those of pristine SnO2 and commercial sensors. These sensors also demonstrated perfect reproducibility and long-term stability of 100 days. The ultrasensitive response of the SnO2 nanosheets toward acetone was attributed to the specific loose large lateral area structure, small grain size, and metastable (101) crystal facets. Considering these advantages, SnO2 nanosheets with larger lateral area sensors have great potential for the detection and monitoring of acetone.
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Affiliation(s)
- Chunyan Li
- National Institute of Advanced Industrial Science and Technology (AIST), 4-205 Sakurazaka, Moriyama, Nagoya, Aichi 463-8560, Japan
| | - Pil Gyu Choi
- National Institute of Advanced Industrial Science and Technology (AIST), 4-205 Sakurazaka, Moriyama, Nagoya, Aichi 463-8560, Japan
| | - Yoshitake Masuda
- National Institute of Advanced Industrial Science and Technology (AIST), 4-205 Sakurazaka, Moriyama, Nagoya, Aichi 463-8560, Japan.
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9
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Zhang H, Wang L, Zou Y, Li Y, Xuan J, Wang X, Jia F, Yin G, Sun M. Enhanced ammonia sensing response based on Pt-decorated Ti 3C 2T x/TiO 2composite at room temperature. NANOTECHNOLOGY 2023; 34:205501. [PMID: 36787630 DOI: 10.1088/1361-6528/acbbd2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Accepted: 02/13/2023] [Indexed: 06/18/2023]
Abstract
Herein, we report a Pt-decorated Ti3C2Tx/TiO2gas sensor for the enhanced NH3sensing response at room temperature. Firstly, the TiO2nanosheets (NSs) arein situgrown onto the two-dimensional (2D) Ti3C2Txby hydrothermal treatment. Similar to Ti3C2Txsensor, the Ti3C2Tx/TiO2sensor has a positive resistance variation upon exposure to NH3, but with slight enhancement in response. However, after the loading of Pt nanoparticles (NPs), the Pt-Ti3C2Tx/TiO2sensor shows a negative response with significantly improved NH3sensing performance. The shift in response direction indicates that the dominant sensing mechanism has changed under the sensitization effect of Pt NPs. At room temperature, the response of Pt-Ti3C2Tx/TiO2gas sensor to 100 ppm NH3is about 45.5%, which is 13.8- and 10.8- times higher than those of Ti3C2Txand Ti3C2Tx/TiO2gas sensors, respectively. The experimental detection limit of the Pt-Ti3C2Tx/TiO2gas sensor to detect NH3is 10 ppm, and the corresponding response is 10.0%. In addition, the Pt-Ti3C2Tx/TiO2gas sensor shows the fast response/recovery speed (23/34 s to 100 ppm NH3), high selectivity and good stability. Considering both the response value and the response direction, the corresponding gas-sensing mechanism is also deeply discussed. This work is expected to shed a new light on the development of noble metals decorated MXene-metal oxide gas sensors.
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Affiliation(s)
- Haifeng Zhang
- School of Physics and Optoelectronic Engineering, Shandong University of Technology, Zibo, 255000, People's Republic of China
| | - Li Wang
- Shandong Dongyue Future Hydrogen Energy Material Co., Ltd, Zibo 256401, People's Republic of China
| | - Yecheng Zou
- Shandong Dongyue Future Hydrogen Energy Material Co., Ltd, Zibo 256401, People's Republic of China
| | - Yongzhe Li
- Shandong Dongyue Future Hydrogen Energy Material Co., Ltd, Zibo 256401, People's Republic of China
| | - Jingyue Xuan
- School of Physics and Optoelectronic Engineering, Shandong University of Technology, Zibo, 255000, People's Republic of China
| | - Xiaomei Wang
- School of Physics and Optoelectronic Engineering, Shandong University of Technology, Zibo, 255000, People's Republic of China
| | - Fuchao Jia
- School of Physics and Optoelectronic Engineering, Shandong University of Technology, Zibo, 255000, People's Republic of China
| | - Guangchao Yin
- School of Physics and Optoelectronic Engineering, Shandong University of Technology, Zibo, 255000, People's Republic of China
| | - Meiling Sun
- School of Physics and Optoelectronic Engineering, Shandong University of Technology, Zibo, 255000, People's Republic of China
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10
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Simonenko EP, Simonenko NP, Mokrushin AS, Simonenko TL, Gorobtsov PY, Nagornov IA, Korotcenkov G, Sysoev VV, Kuznetsov NT. Application of Titanium Carbide MXenes in Chemiresistive Gas Sensors. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:nano13050850. [PMID: 36903729 PMCID: PMC10004978 DOI: 10.3390/nano13050850] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/24/2023] [Revised: 02/17/2023] [Accepted: 02/20/2023] [Indexed: 05/14/2023]
Abstract
The titanium carbide MXenes currently attract an extreme amount of interest from the material science community due to their promising functional properties arising from the two-dimensionality of these layered structures. In particular, the interaction between MXene and gaseous molecules, even at the physisorption level, yields a substantial shift in electrical parameters, which makes it possible to design gas sensors working at RT as a prerequisite to low-powered detection units. Herein, we consider to review such sensors, primarily based on Ti3C2Tx and Ti2CTx crystals as the most studied ones to date, delivering a chemiresistive type of signal. We analyze the ways reported in the literature to modify these 2D nanomaterials for (i) detecting various analyte gases, (ii) improving stability and sensitivity, (iii) reducing response/recovery times, and (iv) advancing a sensitivity to atmospheric humidity. The most powerful approach based on designing hetero-layers of MXenes with other crystals is discussed with regard to employing semiconductor metal oxides and chalcogenides, noble metal nanoparticles, carbon materials (graphene and nanotubes), and polymeric components. The current concepts on the detection mechanisms of MXenes and their hetero-composites are considered, and the background reasons for improving gas-sensing functionality in the hetero-composite when compared with pristine MXenes are classified. We formulate state-of-the-art advances and challenges in the field while proposing some possible solutions, in particular via employing a multisensor array paradigm.
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Affiliation(s)
- Elizaveta P. Simonenko
- Kurnakov Institute of General and Inorganic Chemistry of the Russian Academy of Sciences, 31 Leninsky pr., 119991 Moscow, Russia
| | - Nikolay P. Simonenko
- Kurnakov Institute of General and Inorganic Chemistry of the Russian Academy of Sciences, 31 Leninsky pr., 119991 Moscow, Russia
- Correspondence: (N.P.S.); (V.V.S.)
| | - Artem S. Mokrushin
- Kurnakov Institute of General and Inorganic Chemistry of the Russian Academy of Sciences, 31 Leninsky pr., 119991 Moscow, Russia
| | - Tatiana L. Simonenko
- Kurnakov Institute of General and Inorganic Chemistry of the Russian Academy of Sciences, 31 Leninsky pr., 119991 Moscow, Russia
| | - Philipp Yu. Gorobtsov
- Kurnakov Institute of General and Inorganic Chemistry of the Russian Academy of Sciences, 31 Leninsky pr., 119991 Moscow, Russia
| | - Ilya A. Nagornov
- Kurnakov Institute of General and Inorganic Chemistry of the Russian Academy of Sciences, 31 Leninsky pr., 119991 Moscow, Russia
| | - Ghenadii Korotcenkov
- Department of Physics and Engineering, Moldova State University, 2009 Chisinau, Moldova
| | - Victor V. Sysoev
- Department of Physics, Yuri Gagarin State Technical University of Saratov, 77 Polytechnicheskaya str., 410054 Saratov, Russia
- Correspondence: (N.P.S.); (V.V.S.)
| | - Nikolay T. Kuznetsov
- Kurnakov Institute of General and Inorganic Chemistry of the Russian Academy of Sciences, 31 Leninsky pr., 119991 Moscow, Russia
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11
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Li X, Pan J, Wu Y, Xing H, An Z, Shi Z, Lv J, Zhang F, Jiang J, Wang D, Han RPS, Su B, Lu Y, Liu Q. MXene-based wireless facemask enabled wearable breath acetone detection for lipid metabolic monitoring. Biosens Bioelectron 2023; 222:114945. [PMID: 36462428 DOI: 10.1016/j.bios.2022.114945] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2022] [Revised: 11/18/2022] [Accepted: 11/22/2022] [Indexed: 11/25/2022]
Abstract
Breath acetone (BrAC) detection presents a promising scheme for noninvasive monitoring of metabolic health due to its close correlation to diets and exercise-regulated lipolysis. Herein, we report a Ti3C2Tx MXene-based wireless facemask for on-body BrAC detection and real-time tracking of lipid metabolism, where Ti3C2Tx MXene serves as a versatile nanoplatform for not only acetone detection but also breath interference filtration. The incorporation of in situ grown TiO2 and short peptides with Ti3C2Tx MXene further improves the acetone sensitivity and selectivity, while TiO2-MXene interfaces facilitate light-assisted response calibration. To further realize wearable breath monitoring, a miniaturized flexible detection tag has been integrated with a commercially available facemask, which enables facile BrAC detection and wireless data transmission. Through the hierarchically designed filtration-detection-calibration-transmission system, we realize BrAC detection down to 0.31 ppm (part per million) in breath. On-body breath tests validate the facemask in dynamically monitoring of lipid metabolism, which could guide dieter, athletes, and fitness enthusiasts to arrange diets and exercise activities. The proposed wearable platform opens up new possibility toward the practice of breath analysis as well as daily lipid metabolic management.
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Affiliation(s)
- Xin Li
- Biosensor National Special Laboratory, Key Laboratory for Biomedical Engineering of Education Ministry, Department of Biomedical Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Jingying Pan
- Biosensor National Special Laboratory, Key Laboratory for Biomedical Engineering of Education Ministry, Department of Biomedical Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Yue Wu
- Biosensor National Special Laboratory, Key Laboratory for Biomedical Engineering of Education Ministry, Department of Biomedical Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Huan Xing
- Cancer Research Center, Jiangxi University of Chinese Medicine, Nanchang, 330004, China
| | - Zijian An
- Biosensor National Special Laboratory, Key Laboratory for Biomedical Engineering of Education Ministry, Department of Biomedical Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Zhenghan Shi
- Biosensor National Special Laboratory, Key Laboratory for Biomedical Engineering of Education Ministry, Department of Biomedical Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Jingjiang Lv
- Biosensor National Special Laboratory, Key Laboratory for Biomedical Engineering of Education Ministry, Department of Biomedical Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Fenni Zhang
- Biosensor National Special Laboratory, Key Laboratory for Biomedical Engineering of Education Ministry, Department of Biomedical Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Jing Jiang
- Intelligent Perception Research Institute, Zhejiang Lab, Hangzhou, 311100, China
| | - Di Wang
- Intelligent Perception Research Institute, Zhejiang Lab, Hangzhou, 311100, China
| | - Ray P S Han
- Cancer Research Center, Jiangxi University of Chinese Medicine, Nanchang, 330004, China
| | - Bin Su
- Institute of Analytical Chemistry, Department of Chemistry, Key Laboratory of Excited-State Materials of Zhejiang Province, Zhejiang University, Hangzhou, 310058, Zhejiang, China
| | - Yanli Lu
- Intelligent Perception Research Institute, Zhejiang Lab, Hangzhou, 311100, China.
| | - Qingjun Liu
- Biosensor National Special Laboratory, Key Laboratory for Biomedical Engineering of Education Ministry, Department of Biomedical Engineering, Zhejiang University, Hangzhou, 310027, China.
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12
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Synergistic coupling of 0D–2D heterostructure from ZnO and Ti3C2T MXene-derived TiO2 for boosted NO2 detection at room temperature. NANO MATERIALS SCIENCE 2023. [DOI: 10.1016/j.nanoms.2023.02.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/06/2023]
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13
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Self-powered photoelectrochemical aptasensor for sensitive detection of Microcystin-RR by integrating TiO2/S-doped Ti3C2 MXene photoanode and MoS2/S-doped Ti3C2 MXene photocathode. Anal Chim Acta 2022; 1238:340645. [DOI: 10.1016/j.aca.2022.340645] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2022] [Revised: 11/08/2022] [Accepted: 11/18/2022] [Indexed: 11/21/2022]
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14
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Zheng Z, Zhang C, Liu K, Liu Q. Volatile Organic Compounds, Evaluation Methods and Processing Properties for Cooked Rice Flavor. RICE (NEW YORK, N.Y.) 2022; 15:53. [PMID: 36309628 PMCID: PMC9617995 DOI: 10.1186/s12284-022-00602-3] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/08/2022] [Accepted: 10/14/2022] [Indexed: 05/13/2023]
Abstract
Rice (Oryza sativa L.), as the main refined grain in China, has attracted much attention in terms of quality. Rice is usually consumed after cooking, and it is a commonly staple food. Nowdays, people's requirements for cooked rice focus more on the taste characteristics and quality. Furthermore, aroma is one of the primary sensory reference points, which is the most intuitive way for people to judge cooked rice. By integrating and analyzing the researches of cooked rice aroma identification in recent five years, this paper expounds the extraction and identification methods (sensory evaluation method, GC-MS, SPME, MOS sensors, electronic nose, etc.) of the flavor substances in cooked rice, as the processing methods and properties of cooked rice, and the volatile organic compounds of cooked rice under different conditions are summarized as well.
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Affiliation(s)
- Zichen Zheng
- College of Mechanical Engineering, Yangzhou University, 196 West Huayang Road, Yangzhou, 225127, Jiangsu Province, People's Republic of China
| | - Chao Zhang
- College of Mechanical Engineering, Yangzhou University, 196 West Huayang Road, Yangzhou, 225127, Jiangsu Province, People's Republic of China.
| | - Kewei Liu
- College of Mechanical Engineering, Yangzhou University, 196 West Huayang Road, Yangzhou, 225127, Jiangsu Province, People's Republic of China
| | - Qiaoquan Liu
- Key Laboratory of Crop Genetics and Physiology of Jiangsu Province, Co-Innovation Center for Modern Production Technology of Grain Crops of Jiangsu, College of Agriculture, Yangzhou University, Yangzhou, 225009, People's Republic of China
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15
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Wei X, Ji T, Zhang S, Xue Z, Lou C, Zhang M, Zhao S, Liu H, Guo X, Yang B, Chen J. Cerium-terephthalic acid metal-organic frameworks for ratiometric fluorescence detecting and scavenging·OH from fuel combustion gas. JOURNAL OF HAZARDOUS MATERIALS 2022; 439:129603. [PMID: 35872454 DOI: 10.1016/j.jhazmat.2022.129603] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Revised: 07/11/2022] [Accepted: 07/13/2022] [Indexed: 06/15/2023]
Abstract
Hydroxyl radical (•OH) in fuel combustion gas seriously damages human health. The techniques for simultaneously detecting and scavenging •OH in these gases are limited by poor thermal resistance. To meet this challenge, herein, metal organic frameworks (MOFs) with high thermal stability (80-400 °C) and dual function (•OH detection and elimination) are developed by coordinating Ce ions with terephthalic acid (TA) (Ce-BDC). Due to the reversible conversion between Ce3+ and Ce4+, and the high concentration of Ce3+ on the surface of Ce-BDC MOFs (89.6%), an •OH scavenging efficiency over 90% is realized. Ratiometric fluorescence (I440 nm/I355 nm) detection of •OH with a low detection limit of ∼4 μM is established by adopting Ce ions as an internal standard and TA as an •OH-responsive fluorophore. For real applications, the Ce-BDC MOFs demonstrate excellent •OH detection sensitivity and high •OH scavenging efficiency in gas produced from cigarettes, wood fiber and machine oil. Mouse model results show that the damage caused by •OH in cigarette smoke can be greatly reduced by Ce-BDC MOFs. This work provides a promising strategy for sensitively detecting and efficiently eliminating •OH in fuel combustion gas.
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Affiliation(s)
- Xue Wei
- College of Chemical Engineering & Pharmaceutics, Henan University of Science and Technology, Luoyang 471023, China
| | - Tingshuo Ji
- College of Chemical Engineering & Pharmaceutics, Henan University of Science and Technology, Luoyang 471023, China
| | - Shouren Zhang
- Henan Key Laboratory of Nanocomposite and Applications, Institute of Nanostructured Functional Materials, Huanghe Science and Technology College, Zhengzhou, Henan 450006, China
| | - Zhen Xue
- Henan Key Laboratory of Nanocomposite and Applications, Institute of Nanostructured Functional Materials, Huanghe Science and Technology College, Zhengzhou, Henan 450006, China
| | - Chenfang Lou
- Henan Key Laboratory of Nanocomposite and Applications, Institute of Nanostructured Functional Materials, Huanghe Science and Technology College, Zhengzhou, Henan 450006, China
| | - Mengyu Zhang
- Henan Key Laboratory of Nanocomposite and Applications, Institute of Nanostructured Functional Materials, Huanghe Science and Technology College, Zhengzhou, Henan 450006, China
| | - Sijing Zhao
- Henan Key Laboratory of Nanocomposite and Applications, Institute of Nanostructured Functional Materials, Huanghe Science and Technology College, Zhengzhou, Henan 450006, China
| | - Huili Liu
- Henan Key Laboratory of Nanocomposite and Applications, Institute of Nanostructured Functional Materials, Huanghe Science and Technology College, Zhengzhou, Henan 450006, China
| | - Xuming Guo
- College of Chemical Engineering & Pharmaceutics, Henan University of Science and Technology, Luoyang 471023, China.
| | - Baocheng Yang
- Henan Key Laboratory of Nanocomposite and Applications, Institute of Nanostructured Functional Materials, Huanghe Science and Technology College, Zhengzhou, Henan 450006, China.
| | - Jian Chen
- Henan Key Laboratory of Nanocomposite and Applications, Institute of Nanostructured Functional Materials, Huanghe Science and Technology College, Zhengzhou, Henan 450006, China; Comprehensive Utilization of Edible and Medicinal Plant Resources Engineering Technology Research Center, Zhengzhou, Henan 450006, China.
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16
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Zhao Q, Jiang Y, Yuan Z, Duan Z, Zhang Y, Tai H. MXene复合气敏材料: 最新进展与未来挑战. CHINESE SCIENCE BULLETIN-CHINESE 2022. [DOI: 10.1360/tb-2021-1340] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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17
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Guo X, Ding Y, Yang X, Du B, Zhao C, Liang C, Ou Y, Kuang D, Wu Z, He Y. 2D SnSe 2 nanoflakes decorated with 1D ZnO nanowires for ppb-level NO 2 detection at room temperature. JOURNAL OF HAZARDOUS MATERIALS 2022; 426:128061. [PMID: 34953260 DOI: 10.1016/j.jhazmat.2021.128061] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/04/2021] [Revised: 12/07/2021] [Accepted: 12/07/2021] [Indexed: 06/14/2023]
Abstract
The detection of air pollutant nitrogen dioxide (NO2) is of great importance arising from its great harm to the ecological environment and human health. However, the detection range of most NO2 sensors is ppm-level, and it is still challenging to achieve lower concentration (ppb-level) NO2 detection. Herein, 2D tin diselenide nanoflakes decorated with 1D zinc oxide nanowires (SnSe2/ZnO) heterojunctions were first reported by facile hydrothermal and ultra-sonication methods. The response of the fabricated SnSe2/ZnO sensor enhances 3.41 times on average compared with that of pure SnSe2 sensor to 50-150 ppb NO2 with a high detection sensitivity (22.57 ppm-1) at room temperature. In addition, the SnSe2/ZnO sensor has complete recovery, negligible cross-sensitivity, and small relative standard deviation (6.98%) during the 1 month sensing test, which can meet the requirements for NO2 detection in environmental monitoring. The enhanced NO2 sensing performance can be attributed to the n-n heterojunction constructed between SnSe2 and ZnO. The as-prepared sensor based on SnSe2/ZnO hybrid significantly promotes the development of the low detection limit of the NO2 sensor at room temperature.
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Affiliation(s)
- Xuezheng Guo
- Key Laboratory of Optoelectronic Technology and Systems of the Education Ministry of China, College of Optoelectronic Engineering, Chongqing University, Chongqing 400044, China; State Key Laboratory of Coal Mine Disaster Dynamic and Control, Chongqing University, Chongqing 400044, China; Institute of Chemical Materials, China Academy of Engineering Physics, Mianyang 621900, China
| | - Yanqiao Ding
- Key Laboratory of Optoelectronic Technology and Systems of the Education Ministry of China, College of Optoelectronic Engineering, Chongqing University, Chongqing 400044, China
| | - Xi Yang
- Institute of Chemical Materials, China Academy of Engineering Physics, Mianyang 621900, China
| | - Bingsheng Du
- Key Laboratory of Optoelectronic Technology and Systems of the Education Ministry of China, College of Optoelectronic Engineering, Chongqing University, Chongqing 400044, China; State Key Laboratory of Coal Mine Disaster Dynamic and Control, Chongqing University, Chongqing 400044, China; Institute of Chemical Materials, China Academy of Engineering Physics, Mianyang 621900, China
| | - Chengjiu Zhao
- Key Laboratory of Optoelectronic Technology and Systems of the Education Ministry of China, College of Optoelectronic Engineering, Chongqing University, Chongqing 400044, China
| | - Chengyao Liang
- Key Laboratory of Optoelectronic Technology and Systems of the Education Ministry of China, College of Optoelectronic Engineering, Chongqing University, Chongqing 400044, China; State Key Laboratory of Coal Mine Disaster Dynamic and Control, Chongqing University, Chongqing 400044, China; Institute of Chemical Materials, China Academy of Engineering Physics, Mianyang 621900, China
| | - Yi Ou
- Key Laboratory of Optoelectronic Technology and Systems of the Education Ministry of China, College of Optoelectronic Engineering, Chongqing University, Chongqing 400044, China
| | - Delin Kuang
- Key Laboratory of Optoelectronic Technology and Systems of the Education Ministry of China, College of Optoelectronic Engineering, Chongqing University, Chongqing 400044, China
| | - Zhilin Wu
- Key Laboratory of Optoelectronic Technology and Systems of the Education Ministry of China, College of Optoelectronic Engineering, Chongqing University, Chongqing 400044, China
| | - Yong He
- Key Laboratory of Optoelectronic Technology and Systems of the Education Ministry of China, College of Optoelectronic Engineering, Chongqing University, Chongqing 400044, China; State Key Laboratory of Coal Mine Disaster Dynamic and Control, Chongqing University, Chongqing 400044, China.
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18
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Huang C, Liu D, Wang D, Guo H, Thomas T, Attfield JP, Qu F, Ruan S, Yang M. Mesoporous Ti 0.5Cr 0.5N for trace H 2S detection with excellent long-term stability. JOURNAL OF HAZARDOUS MATERIALS 2022; 423:127193. [PMID: 34844341 DOI: 10.1016/j.jhazmat.2021.127193] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/09/2021] [Revised: 09/03/2021] [Accepted: 09/07/2021] [Indexed: 06/13/2023]
Abstract
Efficient, accurate and reliable detection and monitoring of H2S is of significance in a wide range of areas: industrial production, medical diagnosis, environmental monitoring, and health screening. However the rapid corrosion of commercial platinum-on-carbon (Pt/C) sensing electrodes in the presence of H2S presents a fundamental challenge for fuel cell gas sensors. Herein we report a solution to the issue through the design of a sensing electrode, which is based on Pt supported on mesoporous titanium chromium nitrides (Pt/Ti0.5Cr0.5N). Its desirable characteristics are due to its high electrochemical stability and strong metal-support interactions. The Pt/Ti0.5Cr0.5N-based sensors exhibit a much smaller attenuation (1.3%) in response to H2S than Pt/C-sensor (40%), after 2 months sensing test. Furthermore, the Pt/Ti0.5Cr0.5N-based sensors exhibit negligible cross response to other interfering gases compared with hydrogen sulfide. Results of density functional theory calculation also verify the excellent long-term stability and selectivity of the gas sensor. Our work hence points to a new sensing electrode system that offers a combination of high performance and stability for fuel-cell gas sensors.
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Affiliation(s)
- Chaozhu Huang
- Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, China; Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Dongliang Liu
- Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, China
| | - Dongting Wang
- Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, China
| | - Haichuan Guo
- Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, China
| | - Tiju Thomas
- Department of Metallurgical and Materials Engineering, Indian Institute of Technology Madras Adyar, Chennai 600036, India
| | - J Paul Attfield
- Centre for Science at Extreme Conditions and School of Chemistry, University of Edinburgh, King's Buildings, Mayfield Road, Edinburgh EH9 3JZ, United Kingdom
| | - Fengdong Qu
- Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, China; State Key Laboratory on Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, Changchun 130012, China.
| | - Shengping Ruan
- State Key Laboratory on Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, Changchun 130012, China.
| | - Minghui Yang
- Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, China; Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, China.
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