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Guo X, Nguyen CK, Mazumder A, Wang Y, Syed N, Gaspera ED, Daeneke T, Walia S, Ippolito SJ, Sabri Y, Li Y, Zavabeti A. Gas sensors based on the oxide skin of liquid indium. NANOSCALE 2023; 15:4972-4981. [PMID: 36786287 DOI: 10.1039/d2nr05926f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Various non-stratified two-dimensional (2D) materials can be obtained from liquid metal surfaces that are not naturally accessible. Homogenous nucleation on atomically flat interfaces of liquid metals with air produces unprecedented high-quality oxide layers that can be transferred onto desired substrates. The atomically flat and large areas provide large surface-to-volume ratios ideal for sensing applications. Versatile crucial applications of the liquid metal-derived 2D oxides have been realized; however, their gas-sensing properties remain largely underexplored. The cubic In2O3 structure, which is nonlayered, can be formed as an ultrathin layer on the surface of liquid indium during the self-limiting Cabrera-Mott oxidation process in the air. The morphology, crystal structure, and band structure of the harvested 2D In2O3 nanosheets from liquid indium are characterized. Sensing capability toward several gases, both inorganic and organic, entailing NO2, O2, NH3, H2, H2S, CO, and Methyl ethyl ketone (MEK) are explored. A high ohmic resistance change of 1974% at 10 ppm, fast response, and recovery times are observed for NO2 at an optimum temperature of 200 °C. The sensing fundamentals are investigated for NO2, and its performances and cross-selectivity to different gases are analyzed. The NO2 sensing response from room temperature to 300 °C has been measured and discussed, and stability after 24 hours of continuous operation is presented. The results demonstrate liquid metal-derived 2D oxides as promising materials for gas sensing applications.
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Affiliation(s)
- Xiangyang Guo
- School of Engineering, RMIT University, Melbourne, VIC, 3000, Australia.
| | - Chung Kim Nguyen
- School of Engineering, RMIT University, Melbourne, VIC, 3000, Australia.
| | - Aishani Mazumder
- School of Engineering, RMIT University, Melbourne, VIC, 3000, Australia.
| | - Yichao Wang
- School of Engineering, RMIT University, Melbourne, VIC, 3000, Australia.
- School of Life and Environmental Sciences, Deakin University, Waurn Ponds, Victoria 3216, Australia
| | - Nitu Syed
- School of Engineering, RMIT University, Melbourne, VIC, 3000, Australia.
- School of Physics, The University of Melbourne, Parkville, Melbourne, Victoria 3010, Australia
| | | | - Torben Daeneke
- School of Engineering, RMIT University, Melbourne, VIC, 3000, Australia.
| | - Sumeet Walia
- School of Engineering, RMIT University, Melbourne, VIC, 3000, Australia.
| | - Samuel J Ippolito
- School of Engineering, RMIT University, Melbourne, VIC, 3000, Australia.
| | - Ylias Sabri
- School of Engineering, RMIT University, Melbourne, VIC, 3000, Australia.
| | - Yongxiang Li
- School of Engineering, RMIT University, Melbourne, VIC, 3000, Australia.
| | - Ali Zavabeti
- School of Engineering, RMIT University, Melbourne, VIC, 3000, Australia.
- Department of Chemical Engineering, The University of Melbourne, Parkville, Victoria 3010, Australia.
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Jin Z, Wang C, Wu L, Liu H, Shi F, Zhao J, Liu F, Fu K, Wang F, Wang Z, Liu J. Construction of Pt/Ce-In2O3 hierarchical microspheres for superior triethylamine detection at low temperature. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2022.130738] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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Zambotti G, Capuano R, Pasqualetti V, Soprani M, Gobbi E, Di Natale C, Ponzoni A. Monitoring Fish Freshness in Real Time under Realistic Conditions through a Single Metal Oxide Gas Sensor. SENSORS (BASEL, SWITZERLAND) 2022; 22:5888. [PMID: 35957445 PMCID: PMC9371398 DOI: 10.3390/s22155888] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/11/2022] [Revised: 08/01/2022] [Accepted: 08/04/2022] [Indexed: 06/15/2023]
Abstract
The realization of an unobtrusive and effective technology able to track fish freshness in real time and inform on its edibility is highly demanded, but still unachieved. In the present paper, we address this issue through a single metal oxide gas sensor working in temperature modulation mode. The system can work without an external reference air source, which is an appealing feature for its possible integration in domestic refrigerators. Tests were carried out using fresh sea bream fillets as case study and working both inside the refrigerator and at room temperature. Parallel gas chromatography-mass spectrometry and microbiological characterization indicated the marked dependence of both the microbiological condition and the gas-phase composition from the individual sample and from the storage temperature. Despite such a large variability, which may be expected in real applications, the proposed system provided similar responses whenever the total bacterial population approached and exceeded the edibility threshold of 107 CFU/g.
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Affiliation(s)
- Giulia Zambotti
- Unit of Brescia, National Institute of Optics (CNR-INO), National Research Council, Via Branze 45, 25123 Brescia, Italy
- Unit of Lecco, National Institute of Optics (CNR-INO), National Research Council, Via Previati 1/E, 23900 Lecco, Italy
- Department of Information Engineering, University of Brescia, Via Branze 38, 25123 Brescia, Italy
| | - Rosamaria Capuano
- Department of Electronic Engineering, University of Rome Tor Vergata, Via del Politecnico 1, 00133 Rome, Italy
| | - Valentina Pasqualetti
- Department of Electronic Engineering, University of Rome Tor Vergata, Via del Politecnico 1, 00133 Rome, Italy
| | - Matteo Soprani
- Unit of Brescia, National Institute of Optics (CNR-INO), National Research Council, Via Branze 45, 25123 Brescia, Italy
- Department of Information Engineering, University of Brescia, Via Branze 38, 25123 Brescia, Italy
| | - Emanuela Gobbi
- Unit of Brescia, National Institute of Optics (CNR-INO), National Research Council, Via Branze 45, 25123 Brescia, Italy
- Agri-Food and Environmental Microbiology Platform (PiMiAA), Department of Molecular and Translational Medicine, University of Brescia, Viale Europa 11, 25123 Brescia, Italy
| | - Corrado Di Natale
- Department of Electronic Engineering, University of Rome Tor Vergata, Via del Politecnico 1, 00133 Rome, Italy
| | - Andrea Ponzoni
- Unit of Brescia, National Institute of Optics (CNR-INO), National Research Council, Via Branze 45, 25123 Brescia, Italy
- Unit of Lecco, National Institute of Optics (CNR-INO), National Research Council, Via Previati 1/E, 23900 Lecco, Italy
- Department of Information Engineering, University of Brescia, Via Branze 38, 25123 Brescia, Italy
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Li D, Li Y, Wang X, Sun G, Cao J, Wang Y. Improved TEA Sensitivity and Selectivity of In2O3 Porous Nanospheres by Modification with Ag Nanoparticles. NANOMATERIALS 2022; 12:nano12091532. [PMID: 35564240 PMCID: PMC9105240 DOI: 10.3390/nano12091532] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Revised: 04/17/2022] [Accepted: 04/27/2022] [Indexed: 11/16/2022]
Abstract
A highly sensitive and selective detection of volatile organic compounds (VOCs) by using gas sensors based on metal oxide semiconductor (MOS) has attracted increasing interest, but still remains a challenge in gas sensitivity and selectivity. In order to improve the sensitivity and selectivity of In2O3 to triethylamine (TEA), herein, a silver (Ag)-modification strategy is proposed. Ag nanoparticles with a size around 25–30 nm were modified on pre-synthesized In2O3 PNSs via a simple room-temperature chemical reduction method by using NaBH4 as a reductant. The results of gas sensing tests indicate that after functionalization with Ag, the gas sensing performance of In2O3 PNSs for VOCs, especially for TEA, was remarkably improved. At a lower optimal working temperature (OWT) of 300 °C (bare In2O3 sensor: 320 °C), the best Ag/In2O3-2 sensor (Ag/In2O3 PNSs with an optimized Ag content of 2.90 wt%) shows a sensitivity of 116.86/ppm to 1–50 ppm TEA, about 170 times higher than that of bare In2O3 sensor (0.69/ppm). Significantly, the Ag/In2O3-2 sensor can provide a response (Ra/Rg) as high as 5697 to 50 ppm TEA, which is superior to most previous TEA sensors. Besides lower OWT and higher sensitivity, the Ag/In2O3-2 sensor also shows a remarkably improved selectivity to TEA, whose selectivity coefficient (STEA/Sethanol) is as high as 5.30, about 3.3 times higher than that of bare In2O3 (1.59). The sensitization mechanism of Ag on In2O3 is discussed in detail.
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Affiliation(s)
- Dengke Li
- School of Materials Science and Engineering, Henan Polytechnic University, Jiaozuo 454000, China;
- The Collaboration Innovation Center of Coal Safety Production of Henan Province, Henan Polytechnic University, Jiaozuo 454000, China; (J.C.); (Y.W.)
| | - Yanwei Li
- The Collaboration Innovation Center of Coal Safety Production of Henan Province, Henan Polytechnic University, Jiaozuo 454000, China; (J.C.); (Y.W.)
- School of Chemistry and Chemical Engineering, Henan Polytechnic University, Jiaozuo 454000, China;
- Correspondence: (Y.L.); (G.S.); Tel.: +86-03913986952 (G.S.)
| | - Xiaohua Wang
- School of Chemistry and Chemical Engineering, Henan Polytechnic University, Jiaozuo 454000, China;
| | - Guang Sun
- The Collaboration Innovation Center of Coal Safety Production of Henan Province, Henan Polytechnic University, Jiaozuo 454000, China; (J.C.); (Y.W.)
- School of Chemistry and Chemical Engineering, Henan Polytechnic University, Jiaozuo 454000, China;
- Correspondence: (Y.L.); (G.S.); Tel.: +86-03913986952 (G.S.)
| | - Jianliang Cao
- The Collaboration Innovation Center of Coal Safety Production of Henan Province, Henan Polytechnic University, Jiaozuo 454000, China; (J.C.); (Y.W.)
- School of Chemistry and Chemical Engineering, Henan Polytechnic University, Jiaozuo 454000, China;
| | - Yan Wang
- The Collaboration Innovation Center of Coal Safety Production of Henan Province, Henan Polytechnic University, Jiaozuo 454000, China; (J.C.); (Y.W.)
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Ponzoni A. Metal Oxide Chemiresistors: A Structural and Functional Comparison between Nanowires and Nanoparticles. SENSORS 2022; 22:s22093351. [PMID: 35591040 PMCID: PMC9099833 DOI: 10.3390/s22093351] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Revised: 04/22/2022] [Accepted: 04/25/2022] [Indexed: 02/01/2023]
Abstract
Metal oxide nanowires have become popular materials in gas sensing, and more generally in the field of electronic and optoelectronic devices. This is thanks to their unique structural and morphological features, namely their single-crystalline structure, their nano-sized diameter and their highly anisotropic shape, i.e., a large length-to-diameter aspect ratio. About twenty years have passed since the first publication proposing their suitability for gas sensors, and a rapidly increasing number of papers addressing the understanding and the exploitation of these materials in chemosensing have been published. Considering the remarkable progress achieved so far, the present paper aims at reviewing these results, emphasizing the comparison with state-of-the-art nanoparticle-based materials. The goal is to highlight, wherever possible, how results may be related to the particular features of one or the other morphology, what is effectively unique to nanowires and what can be obtained by both. Transduction, receptor and utility-factor functions, doping, and the addition of inorganic and organic coatings will be discussed on the basis of the structural and morphological features that have stimulated this field of research since its early stage.
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Affiliation(s)
- Andrea Ponzoni
- National Institute of Optics (INO) Unit of Brescia, National Research Council (CNR), 25123 Brescia, Italy; ; Tel.: +39-030-3711440
- National Institute of Optics (INO) Unit of Lecco, National Research Council (CNR), 23900 Lecco, Italy
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6
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Liu J, Zhang L, Fan J, Yu J. Semiconductor Gas Sensor for Triethylamine Detection. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2022; 18:e2104984. [PMID: 34894075 DOI: 10.1002/smll.202104984] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/19/2021] [Revised: 10/25/2021] [Indexed: 05/25/2023]
Abstract
With the demanding detection of unique toxic gas, semiconductor gas sensors have attracted tremendous attention due to their intriguing features, such as, high sensitivity, online detection, portability, ease of use, and low cost. Triethylamine, a typical gas of volatile organic compounds, is an important raw material for industrial development, but it is also a hazard to human health. This review presents a concise compilation of the advances in triethylamine detection based on chemiresistive sensors. Specifically, the testing system and sensing parameters are described in detail. Besides, the sensing mechanism with characterizing tactics is analyzed. The research status based on various chemiresistive sensors is also surveyed. Finally, the conclusion and challenges, as well as some perspectives toward this area, are presented.
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Affiliation(s)
- Jingjing Liu
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan, 430070, P. R. China
| | - Liuyang Zhang
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan, 430070, P. R. China
| | - Jiajie Fan
- School of Materials Science and Engineering, Zhengzhou University, Zhengzhou, 450001, P. R. China
| | - Jiaguo Yu
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan, 430070, P. R. China
- Laboratory of Solar Fuel, Faculty of Materials Science and Chemistry, China University of Geosciences, 388 Lumo Road, Wuhan, 430074, P. R. China
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7
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Ghemid M, Gueddaoui H, Hemissi M, Khelladi M, Bourzami R. Thickness effect on structural, optoelectronic properties and photocatalytic activity of low-cost spin-coated In2O3 films. Chem Phys Lett 2021. [DOI: 10.1016/j.cplett.2021.139089] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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8
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Pan D, Ge S, Zhao J, Tian J, Shao Q, Guo L, Mai X, Wu T, Murugadoss V, Liu H, Ding T, Angaiah S, Guo Z. Synthesis and Characterization of ZnNiIn Layered Double Hydroxides Derived Mixed Metal Oxides with Highly Efficient Photoelectrocatalytic Activities. Ind Eng Chem Res 2018. [DOI: 10.1021/acs.iecr.8b04829] [Citation(s) in RCA: 86] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Duo Pan
- College of Chemical and Environmental Engineering, Shandong University of Science and Technology, Qingdao 266590, China
| | - Shengsong Ge
- College of Chemical and Environmental Engineering, Shandong University of Science and Technology, Qingdao 266590, China
| | - Junkai Zhao
- College of Chemical and Environmental Engineering, Shandong University of Science and Technology, Qingdao 266590, China
- Integrated Composites Laboratory (ICL), Department of Chemical & Biomolecular Engineering, University of Tennessee, Knoxville, Tennessee 37996, United States
| | - Jiangyang Tian
- College of Chemical and Environmental Engineering, Shandong University of Science and Technology, Qingdao 266590, China
| | - Qian Shao
- College of Chemical and Environmental Engineering, Shandong University of Science and Technology, Qingdao 266590, China
| | - Lin Guo
- College of Chemical and Environmental Engineering, Shandong University of Science and Technology, Qingdao 266590, China
| | - Xianmin Mai
- School of Urban Planning and Architecture, Southwest Minzu University, Chengdu 610041, China
| | - Tingting Wu
- Department of Civil and Environmental Engineering, The University of Alabama, Huntsville, Alabama 35899, United States
| | - Vignesh Murugadoss
- Integrated Composites Laboratory (ICL), Department of Chemical & Biomolecular Engineering, University of Tennessee, Knoxville, Tennessee 37996, United States
- Electrochemical Energy Research Lab, Centre for Nanoscience and Technology, Pondicherry University, Puducherry 605 014, India
| | - Hu Liu
- Integrated Composites Laboratory (ICL), Department of Chemical & Biomolecular Engineering, University of Tennessee, Knoxville, Tennessee 37996, United States
- Key Laboratory of Materials Processing and Mold (Zhengzhou University), Ministry of Education; National Engineering Research Center for Advanced Polymer Processing Technology, Zhengzhou University, Zhengzhou 450002, China
| | - Tao Ding
- College of Chemistry and Chemical Engineering, Henan University, Kaifeng 475004, China
| | - Subramania Angaiah
- Electrochemical Energy Research Lab, Centre for Nanoscience and Technology, Pondicherry University, Puducherry 605 014, India
| | - Zhanhu Guo
- Integrated Composites Laboratory (ICL), Department of Chemical & Biomolecular Engineering, University of Tennessee, Knoxville, Tennessee 37996, United States
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