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Pan J, Li X, Sun R, Xu Y, Shi Z, Dai C, Wen H, Han RPS, Ye Q, Zhang F, Liu Q. Hydrogel-based radio frequency H 2S sensor for in situ periodontitis monitoring and antibacterial treatment. Biosens Bioelectron 2024; 259:116404. [PMID: 38772248 DOI: 10.1016/j.bios.2024.116404] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2024] [Revised: 05/06/2024] [Accepted: 05/16/2024] [Indexed: 05/23/2024]
Abstract
Periodontitis, a chronic disease, can result in irreversible tooth loss and diminished quality of life, highlighting the significance of timely periodontitis monitoring and treatment. Meanwhile, hydrogen sulfide (H2S) in saliva, produced by pathogenic bacteria of periodontitis, is an important marker for periodontitis monitoring. However, the easy volatility and chemical instability of the molecule pose challenges to oral H2S sensing. Here, we report a wearable hydrogel-based radio frequency (RF) sensor capable of in situ H2S detection and antibacterial treatment. The RF sensor comprises an agarose hydrogel containing conjugated silver nanoparticles-chlorhexidine (AG-AgNPs-CHL hydrogel) integrated with split-ring resonators. Adhered to a tooth, the hydrogel-based RF sensor enables wireless transmission of sensing signals to a mobile terminal and a concurrent release of the broad-spectrum antibacterial agent chlorhexidine without complex circuits. With the selective binding of the AgNPs to the sulfidion, the RF sensor demonstrates good sensitivity, a wide detection range (2-30 μM), and a low limit of detection (1.2 μM). Compared with standard H2S measurement, the wireless H2S sensor can distinguish periodontitis patients from healthy individuals in saliva sample tests. The hydrogel-based wearable sensor will benefit patients with periodontitis by detecting disease-related biomarkers for practical oral health management.
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Affiliation(s)
- Jingying Pan
- Biosensor National Special Laboratory, Key Laboratory for Biomedical Engineering of Education Ministry, Department of Biomedical Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Xin Li
- Biosensor National Special Laboratory, Key Laboratory for Biomedical Engineering of Education Ministry, Department of Biomedical Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Rujing Sun
- Biosensor National Special Laboratory, Key Laboratory for Biomedical Engineering of Education Ministry, Department of Biomedical Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Yi Xu
- Stomatology Hospital, School of Stomatology, School of Medicine, 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
| | - Chaobo Dai
- Biosensor National Special Laboratory, Key Laboratory for Biomedical Engineering of Education Ministry, Department of Biomedical Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Hao Wen
- Biosensor National Special Laboratory, Key Laboratory for Biomedical Engineering of Education Ministry, Department of Biomedical Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Ray P S Han
- Cancer Research Center, College of Computer Science, Jiangxi University of Chinese Medicine, Nanchang, 330004, China
| | - Qing Ye
- Cancer Research Center, College of Computer Science, Jiangxi University of Chinese Medicine, Nanchang, 330004, China
| | - Fenni Zhang
- Biosensor National Special Laboratory, Key Laboratory for Biomedical Engineering of Education Ministry, Department of Biomedical Engineering, Zhejiang University, Hangzhou, 310027, 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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2
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Wang W, Ibarlucea B, Huang C, Dong R, Al Aiti M, Huang S, Cuniberti G. Multi-metallic MOF based composites for environmental applications: synergizing metal centers and interactions. NANOSCALE HORIZONS 2024. [PMID: 38984482 DOI: 10.1039/d4nh00140k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/11/2024]
Abstract
The escalating threat of environmental issues to both nature and humanity over the past two decades underscores the urgency of addressing environmental pollutants. Metal-organic frameworks (MOFs) have emerged as highly promising materials for tackling these challenges. Since their rise in popularity, extensive research has been conducted on MOFs, spanning from design and synthesis to a wide array of applications, such as environmental remediation, gas storage and separation, catalysis, sensors, biomedical and drug delivery systems, energy storage and conversion, and optoelectronic devices, etc. MOFs possess a multitude of advantageous properties such as large specific surface area, tunable porosity, diverse pore structures, multi-channel design, and molecular sieve capabilities, etc., making them particularly attractive for environmental applications. MOF-based composites inherit the excellent properties of MOFs and also exhibit unique physicochemical properties and structures. The tailoring of central coordinated metal ions in MOFs is critical for their adaptability in environmental applications. Although many reviews on monometallic, bimetallic, and polymetallic MOFs have been published, few reviews focusing on MOF-based composites with monometallic, bimetallic, and multi-metallic centers in the context of environmental pollutant treatment have been reported. This review addresses this gap by providing an in-depth overview of the recent progress in MOF-based composites, emphasizing their applications in hazardous gas sensing, electromagnetic wave absorption (EMWA), and pollutant degradation in both aqueous and atmospheric environments and highlighting the importance of the number and type of metal centers present. Additionally, the various categories of MOFs are summarized. MOF-based composites demonstrate significant promise in addressing environmental challenges, and this review provides a clear and valuable perspective on their potential in environmental applications.
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Affiliation(s)
- Wei Wang
- Institute for Materials Science and Max Bergmann Center for Biomaterials, TUD Dresden University of Technology, Dresden, 01062, Germany.
| | - Bergoi Ibarlucea
- Institute for Materials Science and Max Bergmann Center for Biomaterials, TUD Dresden University of Technology, Dresden, 01062, Germany.
- TECNALIA, Basque Research and Technology Alliance (BRTA), Donostia-San Sebastian, 20009, Spain
| | - Chuanhui Huang
- Center for Advancing Electronics Dresden & Faculty of Chemistry and Food Chemistry, TUD Dresden University of Technology, Mommsenstrasse 4, 01062 Dresden, Germany
| | - Renhao Dong
- Center for Advancing Electronics Dresden & Faculty of Chemistry and Food Chemistry, TUD Dresden University of Technology, Mommsenstrasse 4, 01062 Dresden, Germany
| | - Muhannad Al Aiti
- Institute for Materials Science and Max Bergmann Center for Biomaterials, TUD Dresden University of Technology, Dresden, 01062, Germany.
- Dresden Center for Nanoanalysis, Technische Universität Dresden, 01062 Dresden, Germany
| | - Shirong Huang
- Institute for Materials Science and Max Bergmann Center for Biomaterials, TUD Dresden University of Technology, Dresden, 01062, Germany.
| | - Gianaurelio Cuniberti
- Institute for Materials Science and Max Bergmann Center for Biomaterials, TUD Dresden University of Technology, Dresden, 01062, Germany.
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Li X, Sun S, Wang N, Huang B, Li X. SnTe/SnSe Heterojunction Based Ammonia Sensors with Excellent Withstand to Ambient Humidities. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2309831. [PMID: 38133510 DOI: 10.1002/smll.202309831] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/27/2023] [Revised: 12/11/2023] [Indexed: 12/23/2023]
Abstract
Non-invasive breath testing has gained increasing importance for early disease screening, spurring research into cheap sensors for detecting trace biomarkers such as ammonia. However, real-life deployment of ammonia sensors remains hindered by susceptibility to humidity-induced interference. The SnTe/SnSe heterojunction-based chemiresistive-type sensor demonstrates an excellent response/recovery to different concentrations of ammonia from 0.1 to 100 ppm at room temperature. The improved sensing properties of the heterojunctions-based sensors compared to single-phased SnTe or SnSe can be attributed to the stronger NH3 adsorptions, more Te vacancies, and hydrophobic surface induced by the formed SnTe/SnSe heterojunctions. The sensing mechanisms are investigated in detail by using in situ techniques such as diffuse reflectance Fourier transform infrared spectroscopy (DRIFTS), Kelvin probe, and a.c. impedance spectroscopy together with the Density-Function-Theory calculations. The formed heterojunctions boost the overall charge transfer efficiency between the ammonia and the sensing materials, thus leading to the desirable sensing features as well, with excellent resistance to ambient humidities.
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Affiliation(s)
- Xinlei Li
- School of Microelectronics, Dalian University of Technology, Dalian, Liaoning, 116024, P. R. China
| | - Shupeng Sun
- School of Microelectronics, Dalian University of Technology, Dalian, Liaoning, 116024, P. R. China
| | - Nan Wang
- School of Microelectronics, Dalian University of Technology, Dalian, Liaoning, 116024, P. R. China
| | - Baoyu Huang
- School of Microelectronics, Dalian University of Technology, Dalian, Liaoning, 116024, P. R. China
| | - Xiaogan Li
- School of Microelectronics, Dalian University of Technology, Dalian, Liaoning, 116024, P. R. China
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4
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Yuan Q, Li W, Xia Z, Hu J, He L, Jin L, Zhang L, Chu X, Zhang K. SnO 2QDs sensitized ZnFe 2O 4spheres with enhanced acetone sensing performance. NANOTECHNOLOGY 2024; 35:275502. [PMID: 38569479 DOI: 10.1088/1361-6528/ad39f3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/13/2023] [Accepted: 04/03/2024] [Indexed: 04/05/2024]
Abstract
Herein, SnO2QDs (<10 nm) with small size instead of conventional nanoparticles was employed to modify ZnFe2O4to synthesize porous and heterogeneous SnO2/ZnFe2O4(ZFSQ) composites for gas sensing. By an immersion process combined with calcination treatment, the resultant porous ZFSQ composites with different contents of SnO2QDs were obtained, and their sensing properties were investigated. Compared with bare ZnFe2O4and SnO2QDs, porous ZFSQ composites based-sensors showed much improved sensor response to acetone. For contrast, the sensor performance of ZFSQ composites was also compared with that of ZnFe2O4sphere modified by SnO2nanoparticles with different size. The porous ZFSQ composite with 5 wt% SnO2QDs (ZFSQ-5) showed a better acetone sensing response than that of other ZFSQ composites, and it exhibited a high response value of 110-100 ppm of acetone and a low detection limit of 0.3 ppm at 240 °C. In addition to the rich heterojunctions and porous structure, the size effect of SnO2QDs was other indispensable reasons for the improved sensor performance. Finally, the ZFSQ-5 composite sensor was attempted to be applied for acetone sensing in exhaled breath, suggesting its great potential in monitoring acetone.
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Affiliation(s)
- Qiming Yuan
- School of Chemistry and Chemical Engineering, Anhui University of Technology, Ma'anshan, Anhui 243032, People's Republic of China
| | - Weichao Li
- School of Chemistry and Chemical Engineering, Anhui University of Technology, Ma'anshan, Anhui 243032, People's Republic of China
| | - Zhangcheng Xia
- School of Chemistry and Chemical Engineering, Anhui University of Technology, Ma'anshan, Anhui 243032, People's Republic of China
| | - Jingjie Hu
- School of Chemistry and Chemical Engineering, Anhui University of Technology, Ma'anshan, Anhui 243032, People's Republic of China
| | - Lifang He
- School of Chemistry and Chemical Engineering, Anhui University of Technology, Ma'anshan, Anhui 243032, People's Republic of China
| | - Ling Jin
- School of Chemistry and Chemical Engineering, Anhui University of Technology, Ma'anshan, Anhui 243032, People's Republic of China
| | - Liqiang Zhang
- School of Metallurgy, Anhui University of Technology, Ma'anshan, Anhui 243032, People's Republic of China
| | - Xiangfeng Chu
- School of Chemistry and Chemical Engineering, Anhui University of Technology, Ma'anshan, Anhui 243032, People's Republic of China
| | - Kui Zhang
- School of Chemistry and Chemical Engineering, Anhui University of Technology, Ma'anshan, Anhui 243032, People's Republic of China
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5
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Li X, Wu Z, Song X, Li D, Liu J, Zhang J. WO 3 Nanoplates Decorated with Au and SnO 2 Nanoparticles for Real-Time Detection of Foodborne Pathogens. NANOMATERIALS (BASEL, SWITZERLAND) 2024; 14:719. [PMID: 38668213 PMCID: PMC11054436 DOI: 10.3390/nano14080719] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/25/2024] [Revised: 04/09/2024] [Accepted: 04/15/2024] [Indexed: 04/29/2024]
Abstract
Nowadays, metal oxide semiconductor gas sensors have diverse applications ranging from human health to smart agriculture with the development of Internet of Things (IoT) technologies. However, high operating temperatures and an unsatisfactory detection capability (high sensitivity, fast response/recovery speed, etc.) hinder their integration into the IoT. Herein, a ternary heterostructure was prepared by decorating WO3 nanoplates with Au and SnO2 nanoparticles through a facial photochemical deposition method. This was employed as a sensing material for 3-hydroxy-2-butanone (3H-2B), a biomarker of Listeria monocytogenes. These Au/SnO2-WO3 nanoplate-based sensors exhibited an excellent response (Ra/Rg = 662) to 25 ppm 3H-2B, which was 24 times higher than that of pure WO3 nanoplates at 140 °C. Moreover, the 3H-2B sensor showed an ultrafast response and recovery speed to 25 ppm 3H-2B as well as high selectivity. These excellent sensing performances could be attributed to the rich Au/SnO2-WO3 active interfaces and the excellent transport of carriers in nanoplates. Furthermore, a wireless portable gas sensor equipped with the Au/SnO2-WO3 nanoplates was assembled, which was tested using 3H-2B with known concentrations to study the possibilities of real-time gas monitoring in food quality and safety.
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Affiliation(s)
- Xueyan Li
- School of Materials Science and Engineering, Beijing Key Laboratory of Construction-Tailorable Advanced Functional Materials and Green Applications, Beijing Institute of Technology, Beijing 100081, China (J.Z.)
| | - Zeyi Wu
- School of Materials Science and Engineering, Beijing Key Laboratory of Construction-Tailorable Advanced Functional Materials and Green Applications, Beijing Institute of Technology, Beijing 100081, China (J.Z.)
| | - Xiangyu Song
- School of Materials Science and Engineering, Beijing Key Laboratory of Construction-Tailorable Advanced Functional Materials and Green Applications, Beijing Institute of Technology, Beijing 100081, China (J.Z.)
| | - Denghua Li
- Key Laboratory of Agricultural Information Service Technology of Ministry of Agriculture, Agricultural Information Institute of Chinese Academy of Agricultural Sciences, Beijing 100081, China
| | - Jiajia Liu
- School of Materials Science and Engineering, Beijing Key Laboratory of Construction-Tailorable Advanced Functional Materials and Green Applications, Beijing Institute of Technology, Beijing 100081, China (J.Z.)
| | - Jiatao Zhang
- School of Materials Science and Engineering, Beijing Key Laboratory of Construction-Tailorable Advanced Functional Materials and Green Applications, Beijing Institute of Technology, Beijing 100081, China (J.Z.)
- School of Chemistry and Chemical Engineering, MIIT Key Laboratory of Medical Molecule Science and Pharmaceutical Engineering, Beijing Institute of Technology, Beijing 100081, China
- MOE Key Laboratory of Cluster Science, Beijing Institute of Technology, Beijing 100081, China
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6
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Liu Z, Zhang Z, Yue C, Mu Y, Yang Z, Dastan D, Yin XT, Ma X. In-MIL-68 derived In 2O 3/Fe 2O 3 shuttle-like structures with n-n heterojunctions to improve ethanol sensing performance. Phys Chem Chem Phys 2024; 26:4184-4193. [PMID: 38230532 DOI: 10.1039/d3cp05003c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2024]
Abstract
Metal-organic frameworks (MOFs) have a variety of structures and unique properties that make them suitable for use in gas sensors. Herein, In2O3/Fe2O3 was successfully synthesized using simple solvothermal and impregnation methods. The response to 100 ppm of ethanol gas reached 67.5 at an optimum working temperature of 200 °C, and the response/recovery time was 9 s/236 s. The composite also exhibited excellent selectivity, repeatability, and long-term stability. SEM, TEM, XRD, and XPS were used for the characterization of materials. The excellent sensing performance of the sensors is attributed to the construction of n-n heterojunctions, an increase in oxygen vacancies, and the unique structural characteristics of MOFs. The above experimental results indicate that In-MIL-68-derived In2O3/Fe2O3 is a promising ethanol sensing material.
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Affiliation(s)
- Zhenyue Liu
- School of Physics and Optoelectronic Engineering, Ludong University, Yantai 264000, China.
| | - Zhenkai Zhang
- School of Physics and Optoelectronic Engineering, Ludong University, Yantai 264000, China.
| | - Chen Yue
- School of Physics and Optoelectronic Engineering, Ludong University, Yantai 264000, China.
| | - Yang Mu
- School of Physics and Optoelectronic Engineering, Ludong University, Yantai 264000, China.
| | - Zhiguo Yang
- School of Physics and Optoelectronic Engineering, Ludong University, Yantai 264000, China.
| | - Davoud Dastan
- Department of Materials Science and Engineering, Cornell University, Ithaca, NY, 14850, USA
| | - Xi-Tao Yin
- School of Physics and Optoelectronic Engineering, Ludong University, Yantai 264000, China.
| | - Xiaoguang Ma
- School of Physics and Optoelectronic Engineering, Ludong University, Yantai 264000, China.
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7
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Yang B, To DTH, Resendiz Mendoza E, Myung NV. Achieving One Part Per Billion Hydrogen Sulfide (H 2S) Level Detection through Optimizing Composition and Crystallinity of Gold-Decorated Tungsten Trioxide (Au-WO 3) Nanofibers. ACS Sens 2024; 9:292-304. [PMID: 38215726 DOI: 10.1021/acssensors.3c01979] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2024]
Abstract
As a common environmental pollutant and an important breath biomarker for several diseases, it is essential to develop a hydrogen sulfide gas sensor with a low-ppb level detection limit to prevent harmful gas exposure and allow early diagnoses of diseases in low-resource settings. Gold doped/decorated tungsten trioxide (Au-WO3) nanofibers with various compositions and crystallinities were synthesized to optimize H2S-sensing performance. Systematically experimental results demonstrated the ability to detect 1 ppb H2S with a response value (Rair/Rgas) of 2.01 using a 5 at % Au-WO3 nanofibers with average grain sizes of around 15 nm. Additionally, energy barrier difference of sensing materials in air and nitrogen (ΔEb) and power law exponent (n) were determined to be 0.36 eV and 0.7, respectively, at 450 °C indicating that O- is predominately ionic oxygen species and adsorption of O- significantly altered the Schottky barrier between the grain. Such quantitative analysis provides a comprehensive understanding of H2S detection mechanism.
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Affiliation(s)
- Bingxin Yang
- Department of Chemical and Biomolecular Engineering, University of Notre Dame, Notre Dame 46556, Indiana, United States
| | - Dung Thi Hanh To
- Department of Chemical and Biomolecular Engineering, University of Notre Dame, Notre Dame 46556, Indiana, United States
| | - Emily Resendiz Mendoza
- Department of Chemical and Biomolecular Engineering, University of Notre Dame, Notre Dame 46556, Indiana, United States
| | - Nosang V Myung
- Department of Chemical and Biomolecular Engineering, University of Notre Dame, Notre Dame 46556, Indiana, United States
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8
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Shi N, Yan H, Wang X, Liu G, Wang J, Han Y, Duan Z, Zhao G. A flexible and wearable PET-based chemiresistive H 2S gas sensor modified with MoS 2-AgCl@AgNPs nanocomposite for the dynamic monitoring of egg spoilage. Anal Chim Acta 2023; 1279:341836. [PMID: 37827651 DOI: 10.1016/j.aca.2023.341836] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2023] [Revised: 09/16/2023] [Accepted: 09/19/2023] [Indexed: 10/14/2023]
Abstract
In this study, a flexible and wearable chemiresistive hydrogen sulfide (H2S) sensor is developed by modifying the MoS2-AgCl@AgNPs (MAAN) nanocomposite on a flexible PET-based Au interdigital electrode (FPAIDE) (MAAN/FPAIDE) to monitor egg spoilage at room temperature inexpensively. A new method is developed for the low-cost batch fabrication of MAAN/FPAIDEs by laser direct writing. The morphology and composition of the synthesized MAAN nanocomposite are investigated by X-ray diffraction (XRD), scanning electron microscopy (SEM), energy dispersive spectrometry (EDS), and transmission electron microscopy (TEM). Based on the oxygen adsorption model, a new H2S sensing mechanism is discussed, which is related to the formation of p-n junctions between MoS2 and AgCl and the specific adsorption of H2S by AgNPs on the MAAN sensing layer, causing a decrease in resistance. X-ray photoelectron spectroscopy (XPS) is used to characterize the charge transfer between gas molecules and the MAAN sensing layer and sulfide generation during the response process. The concentration of H2S can be detected down to 27 ppb at 25 °C. Finally, the prepared sensor has been successfully utilized in the real-time monitoring of egg spoilage with satisfactory results, indicating its great potential for the application of fresh food quality and safety supervision and the smart packaging of poultry eggs.
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Affiliation(s)
- Ning Shi
- College of Artificial Intelligence, Nanjing Agricultural University, Nanjing, 210031, PR China
| | - Hanlong Yan
- College of Engineering, Nanjing Agricultural University, Nanjing, 210031, PR China
| | - Xiaochan Wang
- College of Engineering, Nanjing Agricultural University, Nanjing, 210031, PR China
| | - Gang Liu
- Key Lab of Modern Precision Agriculture System Integration Research, Ministry of Education of China, China Agricultural University, Beijing, 100083, PR China
| | - Jiaxuan Wang
- College of Engineering, Nanjing Agricultural University, Nanjing, 210031, PR China
| | - Yu Han
- College of Artificial Intelligence, Nanjing Agricultural University, Nanjing, 210031, PR China
| | - Zhibo Duan
- College of Artificial Intelligence, Nanjing Agricultural University, Nanjing, 210031, PR China
| | - Guo Zhao
- College of Artificial Intelligence, Nanjing Agricultural University, Nanjing, 210031, PR China.
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9
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Yan X, Yang X, Sun Z, Sun C, Hu Z, Zhang Y, Pan G, Guo L, Qi Y, Cheng Y. PtPd NPs-functionalized metal-organic framework-derived α-Fe 2O 3 porous spindles for efficient low-temperature detection of triethylamine. Dalton Trans 2023; 52:13367-13378. [PMID: 37674413 DOI: 10.1039/d3dt02110f] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/08/2023]
Abstract
In recent years, metal-organic framework (MOF) derivatives have gradually become ideal materials for gas sensors due to their controllable composition, diverse structures and open metal sites. In this research, a simplified hydrothermal method was applied to successfully prepare MOF-derived α-Fe2O3 spindles, and an in situ reduction method was then utilized to deposit Pt, Pd and PtPd bimetallic nanoparticles (NPs) on the α-Fe2O3 spindles. The effects of noble metals Pt, Pd and PtPd on the gas-sensing properties of Fe2O3 were systematically examined. The PtPd/α-Fe2O3 sensor has enhanced gas-sensing performance for triethylamine (TEA), especially at PtPd content of 1.5 wt% and mass ratio of Pt : Pd = 90 : 10, where the response of the sensor to 100 ppm TEA at a lower temperature of 150 °C is 442, which is 34 times higher than that of the original α-Fe2O3 (response of 13). Additionally, the sensor demonstrated improved response/recovery properties and very respectable selectivity, repeatability, long-term stability within 30 days and lower detection limit (500 ppb) at 150 °C. Combining the results of XPS and O2-TPD, the enhanced gas-sensing properties of PtPd bimetallic-modified α-Fe2O3 over monometallic (Pt or Pd) modified α-Fe2O3 were analyzed, which can be attributed to the chemical and electronic sensitization of noble metals and the synergistic effect of the PtPd bimetallic NPs, resulting in more surface defects and enhanced oxygen adsorption capacity of the sensing material. This work provided an effective gas-sensing material for the low-temperature detection and analysis of triethylamine gas.
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Affiliation(s)
- Xianwen Yan
- School of Electronics and Information Engineering, Hebei University of Technology, Hebei Collaborative Innovation Center of Microelectronic Materials and Technology on Ultra Precision Processing (CIC), Hebei Engineering Research Center of Microelectronic Materials and Devices (ERC), Tianjin, 300130, China.
| | - Xueli Yang
- School of Electronics and Information Engineering, Hebei University of Technology, Hebei Collaborative Innovation Center of Microelectronic Materials and Technology on Ultra Precision Processing (CIC), Hebei Engineering Research Center of Microelectronic Materials and Devices (ERC), Tianjin, 300130, China.
| | - Zhen Sun
- School of Electronics and Information Engineering, Hebei University of Technology, Hebei Collaborative Innovation Center of Microelectronic Materials and Technology on Ultra Precision Processing (CIC), Hebei Engineering Research Center of Microelectronic Materials and Devices (ERC), Tianjin, 300130, China.
| | - Caixuan Sun
- School of Electronics and Information Engineering, Hebei University of Technology, Hebei Collaborative Innovation Center of Microelectronic Materials and Technology on Ultra Precision Processing (CIC), Hebei Engineering Research Center of Microelectronic Materials and Devices (ERC), Tianjin, 300130, China.
| | - Zheng Hu
- School of Electronics and Information Engineering, Hebei University of Technology, Hebei Collaborative Innovation Center of Microelectronic Materials and Technology on Ultra Precision Processing (CIC), Hebei Engineering Research Center of Microelectronic Materials and Devices (ERC), Tianjin, 300130, China.
| | - Yalin Zhang
- School of Electronics and Information Engineering, Hebei University of Technology, Hebei Collaborative Innovation Center of Microelectronic Materials and Technology on Ultra Precision Processing (CIC), Hebei Engineering Research Center of Microelectronic Materials and Devices (ERC), Tianjin, 300130, China.
| | - Guofeng Pan
- School of Electronics and Information Engineering, Hebei University of Technology, Hebei Collaborative Innovation Center of Microelectronic Materials and Technology on Ultra Precision Processing (CIC), Hebei Engineering Research Center of Microelectronic Materials and Devices (ERC), Tianjin, 300130, China.
| | - Lanlan Guo
- School of Physics and Electronic Information Engineering, Henan Polytechnic University, Jiaozuo, 454003, China
| | - Yuhang Qi
- School of Electronics and Information Engineering, Hebei University of Technology, Hebei Collaborative Innovation Center of Microelectronic Materials and Technology on Ultra Precision Processing (CIC), Hebei Engineering Research Center of Microelectronic Materials and Devices (ERC), Tianjin, 300130, China.
| | - Yehong Cheng
- School of Mechanical Engineering, Hebei University of Technology, Tianjin, 300401, China.
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10
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Li S, Qu Y, Lu X, Zhang F, Liu S, Li B. A Gas Sensor with Enhanced Sensing Properties towards Butyl Acetate: Vascular Bundle Structure Zn 2 SnO 4 Derived from Maize Straw. Chem Asian J 2023; 18:e202300505. [PMID: 37458199 DOI: 10.1002/asia.202300505] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2023] [Revised: 07/14/2023] [Indexed: 08/06/2023]
Abstract
The development of butyl acetate sensors with high sensitivity and selectivity has been highly desirable for its harmful effects on human health. In this work, we developed a high-performance butyl acetate sensor based on vascular bundle structure Zn2 SnO4 nanomaterial derived from maize straw. The vascular bundle structure Zn2 SnO4 with higher specific surface area obtained by calcination to remove the maize straw template, plays the dual role of accelerating the diffusion of gas molecules and providing more active sites. Our research showed that the sensor had a response of 18 to 100 ppm butyl acetate at a working temperature of 250 °C, with a fast response recovery rate (18 s/25 s), which showed significant improvement compared to the Zn2 SnO4 sensor prepared without templates. The improved performance can be attributed to the cross-linked nanoparticle chains and gas collision mechanism of the sensor. These findings highlight the potential of our sensor for the detection of butyl acetate gas.
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Affiliation(s)
- Siqi Li
- College of Chemistry, Chemical Engineering and Resource Utilization, Key Laboratory of Forest Plant Ecology, Northeast Forestry University, 26 Hexing Road, Harbin, 150040, Heilongjiang, P. R. China
| | - Yuan Qu
- College of Chemistry, Chemical Engineering and Resource Utilization, Key Laboratory of Forest Plant Ecology, Northeast Forestry University, 26 Hexing Road, Harbin, 150040, Heilongjiang, P. R. China
| | - Xiang Lu
- College of Chemistry, Chemical Engineering and Resource Utilization, Key Laboratory of Forest Plant Ecology, Northeast Forestry University, 26 Hexing Road, Harbin, 150040, Heilongjiang, P. R. China
| | - Feiyu Zhang
- College of Chemistry, Chemical Engineering and Resource Utilization, Key Laboratory of Forest Plant Ecology, Northeast Forestry University, 26 Hexing Road, Harbin, 150040, Heilongjiang, P. R. China
| | - Song Liu
- College of Chemistry, Chemical Engineering and Resource Utilization, Key Laboratory of Forest Plant Ecology, Northeast Forestry University, 26 Hexing Road, Harbin, 150040, Heilongjiang, P. R. China
| | - Bin Li
- College of Chemistry, Chemical Engineering and Resource Utilization, Key Laboratory of Forest Plant Ecology, Northeast Forestry University, 26 Hexing Road, Harbin, 150040, Heilongjiang, P. R. China
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11
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Yang J, Yang L, Cao S, Yang J, Yan C, Zhang L, Huang Q, Zhao J. High-performance metal-oxide gas sensors based on hierarchical core-shell ZnFe 2O 4 microspheres for detecting 2-chloroethyl ethyl sulfide. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2023. [PMID: 37326453 DOI: 10.1039/d3ay00627a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
Mustard gas, an erosive chemical agent, is primarily used as a chemical weapon, which seriously threatens human life and health. Therefore, detecting mustard gas and its simulant, 2-chloroethyl ethyl sulfide (2-CEES), is a very important task. As a binary metal oxide with a spinel structure, ZnFe2O4 is widely used for fabricating gas sensors because of its stable chemical structure and abundant oxygen vacancies. In this study, gas-sensing ZnFe2O4 microspheres with a hierarchical core-shell nanosheet structure were prepared via a simple one-step solvothermal method. Scanning electron microscopy, transmission electron microscopy, X-ray diffraction, X-ray photoelectron spectroscopy, and N2 adsorption analyses were performed to characterize the morphology, structure, and chemical composition of these microspheres. A gas sensor was fabricated from the as-synthesized material, and its gas sensing performance was evaluated, using 2-CEES as a target gas. The obtained ZnFe2O4-based sensor exhibited a high sensitivity of 9.07 to 1 ppm 2-CEES at the optimal working temperature of 250 °C. The sensor response and recovery times were 18 and 546 s, respectively, and its detection sensitivity of 2.87 achieved at a 2-CEES concentration of 0.01 ppm was within an acceptable range. Additionally, the sensor demonstrated sufficiently high 2-CEES selectivity, repeatability, and long-term stability.
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Affiliation(s)
- Junchao Yang
- State Key Laboratory of NBC Protection for Civilian, 100000, Beijing, China.
| | - Liu Yang
- State Key Laboratory of NBC Protection for Civilian, 100000, Beijing, China.
| | - Shuya Cao
- State Key Laboratory of NBC Protection for Civilian, 100000, Beijing, China.
| | - Jie Yang
- State Key Laboratory of NBC Protection for Civilian, 100000, Beijing, China.
| | - Cancan Yan
- State Key Laboratory of NBC Protection for Civilian, 100000, Beijing, China.
| | - Ling Zhang
- State Key Laboratory of NBC Protection for Civilian, 100000, Beijing, China.
| | - Qibin Huang
- State Key Laboratory of NBC Protection for Civilian, 100000, Beijing, China.
| | - Jiang Zhao
- State Key Laboratory of NBC Protection for Civilian, 100000, Beijing, China.
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12
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Lei B, Zhang H, Zhao Q, Liu W, Wei Y, Lu Y, Xiao T, Kong J, Cai W. Facile Synthesis of ZnO/WO 3 Nanocomposite Porous Films for High-Performance Gas Sensing of Multiple VOCs. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:733. [PMID: 36839101 PMCID: PMC9965940 DOI: 10.3390/nano13040733] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/05/2023] [Revised: 02/11/2023] [Accepted: 02/13/2023] [Indexed: 06/18/2023]
Abstract
Volatile organic compounds (VOCs) in indoor environments have typical features of multiple components, high concentration, and long duration. The development of gas sensors with high sensitivity to multiple VOCs is of great significance to protect human health. Herein, we proposed a sensitive ZnO/WO3 composite chemi-resistive sensor facilely fabricated via a sacrificial template approach. Based on the transferable properties of self-assembled monolayer colloidal crystal (MCC) templates, two-dimensional honeycomb-like ordered porous ZnO/WO3 sensing matrixes were constructed in situ on commercial ceramic tube substrates with curved and rough surfaces. The nanocomposite thin films are about 250 nm in thickness with large-scale structural consistency and integrity, which facilitates characteristic responses with highly sensitivity and reliability. Furthermore, the nanocomposite sensor shows simultaneous responses to multiple VOCs that commonly exist in daily life with an obvious suppression sensing for traditional flammable gases. Particularly, a detection limit of 0.1 ppm with a second-level response/recovery time can be achieved, which is beneficial for real-time air quality assessments. We proposed a heterojunction-induced sensing enhancement mechanism for the ZnO/WO3 nanocomposite film in which the formation of abundant heterojunctions between ZnO and WO3 NPs significantly increases the thickness of the electron depletion layer in the bulk film and improves the formation of active oxygen species on the surface, which is conducive to enhanced responses for reducing VOC gases. This work not only provides a simple approach for the fabrication of high-performance gas sensors but also opens an achievable avenue for air quality assessment based on VOC concentration detection.
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Affiliation(s)
- Biao Lei
- Key Lab of Materials Physics, Anhui Key Lab of Nanomaterials and Nanotechnology, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei 230031, China
- Science Island Branch of Graduate School, University of Science and Technology of China, Hefei 230026, China
| | - Hongwen Zhang
- Key Lab of Materials Physics, Anhui Key Lab of Nanomaterials and Nanotechnology, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei 230031, China
- Lu’an Branch, Anhui Institute of Innovation for Industrial Technology, Lu’an 237100, China
| | - Qian Zhao
- Key Lab of Materials Physics, Anhui Key Lab of Nanomaterials and Nanotechnology, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei 230031, China
| | - Weiwei Liu
- State Key Laboratory of NBC Protection for Civilian, Beijing 102205, China
| | - Yi Wei
- Key Lab of Materials Physics, Anhui Key Lab of Nanomaterials and Nanotechnology, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei 230031, China
- Science Island Branch of Graduate School, University of Science and Technology of China, Hefei 230026, China
| | - Yanyan Lu
- Key Lab of Materials Physics, Anhui Key Lab of Nanomaterials and Nanotechnology, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei 230031, China
- Science Island Branch of Graduate School, University of Science and Technology of China, Hefei 230026, China
| | - Tingting Xiao
- Key Lab of Materials Physics, Anhui Key Lab of Nanomaterials and Nanotechnology, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei 230031, China
| | - Jinglin Kong
- State Key Laboratory of NBC Protection for Civilian, Beijing 102205, China
| | - Weiping Cai
- Key Lab of Materials Physics, Anhui Key Lab of Nanomaterials and Nanotechnology, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei 230031, China
- Science Island Branch of Graduate School, University of Science and Technology of China, Hefei 230026, China
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13
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Screening of dopamine in living cells and animal model via graphene quantum dots anchored 3D macroporous nonenzymatic sensor. Mikrochim Acta 2022; 189:382. [DOI: 10.1007/s00604-022-05479-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2022] [Accepted: 08/26/2022] [Indexed: 10/14/2022]
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14
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Liu L, Wang Y, Liu Y, Wang S, Li T, Feng S, Qin S, Zhang T. Heteronanostructural metal oxide-based gas microsensors. MICROSYSTEMS & NANOENGINEERING 2022; 8:85. [PMID: 35911378 PMCID: PMC9329395 DOI: 10.1038/s41378-022-00410-1] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Revised: 04/16/2022] [Accepted: 05/20/2022] [Indexed: 06/15/2023]
Abstract
The development of high-performance, portable and miniaturized gas sensors has aroused increasing interest in the fields of environmental monitoring, security, medical diagnosis, and agriculture. Among different detection tools, metal oxide semiconductor (MOS)-based chemiresistive gas sensors are the most popular choice in commercial applications and have the advantages of high stability, low cost, and high sensitivity. One of the most important ways to further enhance the sensor performance is to construct MOS-based nanoscale heterojunctions (heteronanostructural MOSs) from MOS nanomaterials. However, the sensing mechanism of heteronanostructural MOS-based sensors is different from that of single MOS-based gas sensors in that it is fairly complex. The performance of the sensors is influenced by various parameters, including the physical and chemical properties of the sensing materials (e.g., grain size, density of defects, and oxygen vacancies of materials), working temperatures, and device structures. This review introduces several concepts in the design of high-performance gas sensors by analyzing the sensing mechanism of heteronanostructural MOS-based sensors. In addition, the influence of the geometric device structure determined by the interconnection between the sensing materials and the working electrodes is discussed. To systematically investigate the sensing behavior of the sensor, the general sensing mechanism of three typical types of geometric device structures based on different heteronanostructural materials are introduced and discussed in this review. This review will provide guidelines for readers studying the sensing mechanism of gas sensors and designing high-performance gas sensors in the future.
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Affiliation(s)
- Lin Liu
- i-Lab, Key Laboratory of Multifunctional Nanomaterials and Smart Systems, Suzhou Institute of Nano-Tech and Nano-Bionics (SINANO), Chinese Academy of Sciences (CAS), Suzhou, Jiangsu China
| | - Yingyi Wang
- i-Lab, Key Laboratory of Multifunctional Nanomaterials and Smart Systems, Suzhou Institute of Nano-Tech and Nano-Bionics (SINANO), Chinese Academy of Sciences (CAS), Suzhou, Jiangsu China
- Department of Health and Environmental Sciences, Xi’an Jiaotong-Liverpool University, Suzhou, Jiangsu China
| | - Yinhang Liu
- i-Lab, Key Laboratory of Multifunctional Nanomaterials and Smart Systems, Suzhou Institute of Nano-Tech and Nano-Bionics (SINANO), Chinese Academy of Sciences (CAS), Suzhou, Jiangsu China
- Department of Nano Science and Nano Technology Institute, University of Science and Technology of China, Suzhou, Jiangsu China
| | - Shuqi Wang
- i-Lab, Key Laboratory of Multifunctional Nanomaterials and Smart Systems, Suzhou Institute of Nano-Tech and Nano-Bionics (SINANO), Chinese Academy of Sciences (CAS), Suzhou, Jiangsu China
| | - Tie Li
- i-Lab, Key Laboratory of Multifunctional Nanomaterials and Smart Systems, Suzhou Institute of Nano-Tech and Nano-Bionics (SINANO), Chinese Academy of Sciences (CAS), Suzhou, Jiangsu China
| | - Simin Feng
- i-Lab, Key Laboratory of Multifunctional Nanomaterials and Smart Systems, Suzhou Institute of Nano-Tech and Nano-Bionics (SINANO), Chinese Academy of Sciences (CAS), Suzhou, Jiangsu China
| | - Sujie Qin
- Department of Health and Environmental Sciences, Xi’an Jiaotong-Liverpool University, Suzhou, Jiangsu China
| | - Ting Zhang
- i-Lab, Key Laboratory of Multifunctional Nanomaterials and Smart Systems, Suzhou Institute of Nano-Tech and Nano-Bionics (SINANO), Chinese Academy of Sciences (CAS), Suzhou, Jiangsu China
- Nano-X, Suzhou Institute of Nano-Tech and Nano-Bionics (SINANO), Chinese Academy of Sciences (CAS), Suzhou, Jiangsu China
- School of Nano-Tech and Nano-Bionics, University of Science and Technology of China, Hefei, Anhui PR China
- Gusu Laboratory of Materials, Suzhou, Jiangsu PR China
- Center for Excellence in Brain Science and Intelligence Technology, Chinese Academy of Sciences, Shanghai, PR China
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15
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Akbari-Saatlu M, Procek M, Mattsson C, Thungström G, Törndahl T, Li B, Su J, Xiong W, Radamson HH. Nanometer-Thick ZnO/SnO 2 Heterostructures Grown on Alumina for H 2S Sensing. ACS APPLIED NANO MATERIALS 2022; 5:6954-6963. [PMID: 35663417 PMCID: PMC9152767 DOI: 10.1021/acsanm.2c00940] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/02/2022] [Accepted: 04/26/2022] [Indexed: 05/17/2023]
Abstract
Designing heterostructure materials at the nanoscale is a well-known method to enhance gas sensing performance. In this study, a mixed solution of zinc chloride and tin (II) chloride dihydrate, dissolved in ethanol solvent, was used as the initial precursor for depositing the sensing layer on alumina substrates using the ultrasonic spray pyrolysis (USP) method. Several ZnO/SnO2 heterostructures were grown by applying different ratios in the initial precursors. These heterostructures were used as active materials for the sensing of H2S gas molecules. The results revealed that an increase in the zinc chloride in the USP precursor alters the H2S sensitivity of the sensor. The optimal working temperature was found to be 450 °C. The sensor, containing 5:1 (ZnCl2: SnCl2·2H2O) ratio in the USP precursor, demonstrates a higher response than the pure SnO2 (∼95 times) sample and other heterostructures. Later, the selectivity of the ZnO/SnO2 heterostructures toward 5 ppm NO2, 200 ppm methanol, and 100 ppm of CH4, acetone, and ethanol was also examined. The gas sensing mechanism of the ZnO/SnO2 was analyzed and the remarkably enhanced gas-sensing performance was mainly attributed to the heterostructure formation between ZnO and SnO2. The synthesized materials were also analyzed by X-ray diffraction, scanning electron microscopy, energy-dispersive X-ray, transmission electron microscopy, and X-ray photoelectron spectra to investigate the material distribution, grain size, and material quality of ZnO/SnO2 heterostructures.
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Affiliation(s)
- Mehdi Akbari-Saatlu
- Department
of Electronics Design, Mid Sweden University, Holmgatan 10, Sundsvall SE-85170, Sweden
- ,
| | - Marcin Procek
- Department
of Electronics Design, Mid Sweden University, Holmgatan 10, Sundsvall SE-85170, Sweden
- Department
of Optoelectronics, Silesian University
of Technology, 2 Krzywoustego
Street, Gliwice 44-100, Poland
| | - Claes Mattsson
- Department
of Electronics Design, Mid Sweden University, Holmgatan 10, Sundsvall SE-85170, Sweden
| | - Göran Thungström
- Department
of Electronics Design, Mid Sweden University, Holmgatan 10, Sundsvall SE-85170, Sweden
| | - Tobias Törndahl
- Department
of Materials Science and Engineering, Ångström Laboratory, Uppsala University, Box
35, Uppsala SE-75103, Sweden
| | - Ben Li
- Guangdong
Greater Bay Area Institute of Integrated Circuit and System, Guangzhou 510535, China
| | - Jiale Su
- Guangdong
Greater Bay Area Institute of Integrated Circuit and System, Guangzhou 510535, China
- Key
Laboratory of Microelectronic Devices & Integrated Technology, Institute of Microelectronics, Chinese Academy of
Sciences, Beijing 100029, People’s Republic of China
| | - Wenjuan Xiong
- Key
Laboratory of Microelectronic Devices & Integrated Technology, Institute of Microelectronics, Chinese Academy of
Sciences, Beijing 100029, People’s Republic of China
| | - Henry H. Radamson
- Department
of Electronics Design, Mid Sweden University, Holmgatan 10, Sundsvall SE-85170, Sweden
- Guangdong
Greater Bay Area Institute of Integrated Circuit and System, Guangzhou 510535, China
- Key
Laboratory of Microelectronic Devices & Integrated Technology, Institute of Microelectronics, Chinese Academy of
Sciences, Beijing 100029, People’s Republic of China
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16
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Gui Y, Liu Z, Ji C, Xu L, Chen X. Adsorption behavior of metal oxides (CuO, NiO, Ag2O) modified GeSe monolayer towards dissolved gases (CO, CH4, C2H2, C2H4) in transformer oil. J IND ENG CHEM 2022. [DOI: 10.1016/j.jiec.2022.05.006] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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17
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Zhou Q, Xu L, Kan Z, Yang L, Chang Z, Dong B, Bai X, Lu G, Song H. A multi-platform sensor for selective and sensitive H 2S monitoring: Three-dimensional macroporous ZnO encapsulated by MOFs with small Pt nanoparticles. JOURNAL OF HAZARDOUS MATERIALS 2022; 426:128075. [PMID: 34959212 DOI: 10.1016/j.jhazmat.2021.128075] [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: 08/24/2021] [Revised: 12/09/2021] [Accepted: 12/10/2021] [Indexed: 06/14/2023]
Abstract
The high-selectivity and high-sensitivity determination of trace concentrations of toxic gases is a major challenge when using semiconductor metal oxide (SMO) gas sensors in complicated real-world environments. In this study, by strategically combining a three-dimensional inverse opal (3DIO) macroporous ZnO substrate and a ZIF-8 outer filter membrane, two series of sensors with Pt NPs loaded at different locations are developed. In the optimal 3DIO ZnO@ZIF-8/Pt sensor, the existence of small Pt NPs in ZIF-8 cavities can effectively accelerate the absorption of H2S, capture electrons from the N site of ZIF-8, and donate the electron to the S site of H2S, as indicated by density functional theory simulations, leading to a significantly increased response to H2S. Together with the molecular-sieving effect that ZIF-8 exerts on gas molecules with larger kinetic diameters, the 3DIO ZnO@ZIF-8/Pt sensor exhibits a high response to H2S (118-5.5 ppm), a detection limit of 40 ppb, and importantly, a 59-fold higher selectivity to H2S against typical interference gases. In addition, the 3DIO ZnO@ZIF-8/Pt sensor is developed as a multi-platform sensor to evaluate trace concentrations of H2S in meat quality assessment, halitosis diagnosis, and automobile exhaust assessment.
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Affiliation(s)
- Qingqing Zhou
- State Key Laboratory of Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, Changchun 130012, People's Republic of China
| | - Lin Xu
- State Key Laboratory of Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, Changchun 130012, People's Republic of China.
| | - Zitong Kan
- State Key Laboratory of Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, Changchun 130012, People's Republic of China
| | - Long Yang
- State Key Laboratory of Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, Changchun 130012, People's Republic of China
| | - Zhiyong Chang
- Key Laboratory of Bionic Engineering, Ministry of Education, College of Biological and Agricultural Engineering, Jilin University, Changchun 130022, People's Republic of China.
| | - Biao Dong
- State Key Laboratory of Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, Changchun 130012, People's Republic of China
| | - Xue Bai
- State Key Laboratory of Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, Changchun 130012, People's Republic of China
| | - Geyu Lu
- State Key Laboratory of Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, Changchun 130012, People's Republic of China
| | - Hongwei Song
- State Key Laboratory of Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, Changchun 130012, People's Republic of China
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18
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Wu X, Wang H, Wang J, Wang D, Shi L, Tian X, Sun J. VOCs gas sensor based on MOFs derived porous Au@Cr2O3-In2O3 nanorods for breath analysis. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2021.127752] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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19
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Shi T, Hou H, Hussain S, Ge C, Alsaiari MA, Alkorbi AS, Liu G, Alsaiari R, Qiao G. Efficient detection of hazardous H 2S gas using multifaceted Co 3O 4/ZnO hollow nanostructures. CHEMOSPHERE 2022; 287:132178. [PMID: 34509024 DOI: 10.1016/j.chemosphere.2021.132178] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/02/2021] [Revised: 08/28/2021] [Accepted: 09/03/2021] [Indexed: 06/13/2023]
Abstract
The rapid increases in environmental hazardous gases have laid dangerous effects on human health. The detection of such pollutants gases is mandatory using various optimal techniques. In this paper, porous multifaceted Co3O4/ZnO nanostructures are synthesized by pyrolyzing sacrificial template of core-shell double zeolitic imidazolate frameworks (ZIFs) for gas sensing applications. The fabricated exhibit superior gas sensor response, high selectivity, fast response/recovery times, and remarkable stability and sensitivity to H2S gas. In particular, the multifaceted Co3O4/ZnO nanostructures show a maximum response of 147 at 100 ppm of H2S under optimum conditions. The remarkable gas sensing performances are mainly ascribed to high porosity, wide surface area multifaceted nanostructures, presence of heterojunctions and catalytic activity of ZnO and Co3O4, which are beneficial for H2S gas sensors industry.
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Affiliation(s)
- Tengfei Shi
- School of Materials Science and Engineering, Jiangsu University, Zhenjiang, 212013, China
| | - Haigang Hou
- School of Materials Science and Engineering, Jiangsu University, Zhenjiang, 212013, China
| | - Shahid Hussain
- School of Materials Science and Engineering, Jiangsu University, Zhenjiang, 212013, China.
| | - Chuanxin Ge
- School of Materials Science and Engineering, Jiangsu University, Zhenjiang, 212013, China
| | - Mabkhoot A Alsaiari
- Empty Quarter Research Unit, Department of Chemistry, College of Science and Art in Sharurah, Najran University, Sharurah, Saudi Arabia
| | - Ali S Alkorbi
- Empty Quarter Research Unit, Department of Chemistry, College of Science and Art in Sharurah, Najran University, Sharurah, Saudi Arabia
| | - Guiwu Liu
- School of Materials Science and Engineering, Jiangsu University, Zhenjiang, 212013, China.
| | - Raiedhah Alsaiari
- Empty Quarter Research Unit, Department of Chemistry, College of Science and Art in Sharurah, Najran University, Sharurah, Saudi Arabia
| | - Guanjun Qiao
- School of Materials Science and Engineering, Jiangsu University, Zhenjiang, 212013, China.
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20
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Zhang YH, Li YY, Yang XY, Gong FL, Chen JL, Xie KF, Zhang HL, Fang SM. Ultra-sensitive H 2S sensor based on sunflower-like In-doped ZnO with enriched oxygen vacancies. Phys Chem Chem Phys 2022; 24:28530-28539. [DOI: 10.1039/d2cp02539f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
In–ZnO with oxygen vacancies exhibits a higher sensing response and a shorter recovery time for H2S compared to ZnO.
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Affiliation(s)
- Yong-Hui Zhang
- College of Materials and Chemical Engineering, Collaborative Innovation Center of Environmental Pollution Control and Ecological Restoration, Zhengzhou University of Light Industry, Zhengzhou 450002, P. R. China
| | - Ying-Ying Li
- College of Materials and Chemical Engineering, Collaborative Innovation Center of Environmental Pollution Control and Ecological Restoration, Zhengzhou University of Light Industry, Zhengzhou 450002, P. R. China
| | - Xuan-Yu Yang
- College of Materials and Chemical Engineering, Collaborative Innovation Center of Environmental Pollution Control and Ecological Restoration, Zhengzhou University of Light Industry, Zhengzhou 450002, P. R. China
| | - Fei-Long Gong
- College of Materials and Chemical Engineering, Collaborative Innovation Center of Environmental Pollution Control and Ecological Restoration, Zhengzhou University of Light Industry, Zhengzhou 450002, P. R. China
| | - Jun-Li Chen
- College of Materials and Chemical Engineering, Collaborative Innovation Center of Environmental Pollution Control and Ecological Restoration, Zhengzhou University of Light Industry, Zhengzhou 450002, P. R. China
| | - Ke-Feng Xie
- School of Chemical and Biological Engineering, Lanzhou Jiaotong University, Lanzhou, Gansu 730070, P. R. China
| | - Hao-Li Zhang
- State Key Laboratory of Applied Organic Chemistry (SKLAOC); Key Laboratory of Special Function Materials and Structure Design (MOE); College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, 730000, P. R. China
| | - Shao-Ming Fang
- College of Materials and Chemical Engineering, Collaborative Innovation Center of Environmental Pollution Control and Ecological Restoration, Zhengzhou University of Light Industry, Zhengzhou 450002, P. R. China
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21
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Wang G, Yang S, Cao L, Jin P, Zeng X, Zhang X, Wei J. Engineering mesoporous semiconducting metal oxides from metal-organic frameworks for gas sensing. Coord Chem Rev 2021. [DOI: 10.1016/j.ccr.2021.214086] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
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22
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Selective Determination of Hydrogen Sulfide Using SnO2–Ag Sensor Working in Non-Stationary Temperature Regime. CHEMOSENSORS 2021. [DOI: 10.3390/chemosensors9080203] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
The application of a non-stationary regime of temperature modulation in metal oxide semiconductor sensor based on SnO2–Ag leads not only to a strongly increased sensor response, but also to a considerably improved sensor selectivity toward hydrogen sulfide. Selectivity with respect to other reducing gases (CO, NH3, H2) is about five orders of magnitude, enabling a correct selective determination of H2S in the presence of interfering gas components.
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23
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Ethanol Sensing Properties and First Principles Study of Au Supported on Mesoporous ZnO Derived from Metal Organic Framework ZIF-8. SENSORS 2021; 21:s21134352. [PMID: 34202170 PMCID: PMC8272103 DOI: 10.3390/s21134352] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/14/2021] [Revised: 06/20/2021] [Accepted: 06/23/2021] [Indexed: 11/17/2022]
Abstract
It is of great significance to develop ethanol sensors with high sensitivity and low detection temperature. Hence, we prepared Au-supported material on mesoporous ZnO composites derived from a metal-organic framework ZIF-8 for the detection of ethanol gas. The obtained Au/ZnO materials were characterized by X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), field emission scanning electron microscopy (SEM), field emission transmission electron microscopy (TEM) and nitrogen adsorption and desorption isotherms. The results showed that the Au/ZnO-1.0 sample maintains a three-dimensional (3D) dodecahedron structure with a larger specific surface area (22.79 m2 g−1) and has more oxygen vacancies. Because of the unique ZIF structure, abundant surface defects and the formation of Au-ZnO Schottky junctions, an Au/ZnO-1.0 sensor has a response factor of 37.74 for 100 ppm ethanol at 250 °C, which is about 6 times that of pure ZnO material. In addition, the Au/ZnO-1.0 sensor has good selectivity for ethanol. According to density functional theory (DFT) calculations, the adsorption energy of Au/ZnO for ethanol (−1.813 eV) is significantly greater than that of pure ZnO (−0.217 eV). Furthermore, the adsorption energy for ethanol is greater than that of other gases.
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24
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Abstract
H2S gas is a toxic and hazardous byproduct of the oil and gas industries. It paralyzes the olfactory nerves, with concentrations above 100 ppm, resulting in loss of smell; prolonged inhalation may even cause death. One of the most important semiconducting metal oxides for the detection of H2S is CuxO (x = 1, 2), which is converted to CuxS upon exposure to H2S, leading to a remarkable modulation in the resistance and appearance of an electrical sensing signal. In this review, various morphologies of CuxO in the pristine form, composites of CuxO with other materials, and decoration/doping of noble metals on CuxO nanostructures for the reliable detection of H2S gas are thoroughly discussed. With an emphasis to the detection mechanism of CuxO-based gas sensors, this review presents findings that are of considerable value as a reference.
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25
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Ghaderahmadi S, Kamkar M, Tasnim N, Arjmand M, Hoorfar M. A review of low-temperature H2S gas sensors: fabrication and mechanism. NEW J CHEM 2021. [DOI: 10.1039/d1nj02468j] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Reduced detection temperature of hazardous gases such as H2S can lower power consumption and increase the long-term stability. The decreased operating temperature can be achieved via physical and chemical modification of the sensing layer.
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Affiliation(s)
- Sara Ghaderahmadi
- School of Engineering, University of British Columbia, Kelowna, BC V1V 1V7, Canada
| | - Milad Kamkar
- School of Engineering, University of British Columbia, Kelowna, BC V1V 1V7, Canada
| | - Nishat Tasnim
- School of Engineering, University of British Columbia, Kelowna, BC V1V 1V7, Canada
| | - Mohammad Arjmand
- School of Engineering, University of British Columbia, Kelowna, BC V1V 1V7, Canada
| | - Mina Hoorfar
- School of Engineering, University of British Columbia, Kelowna, BC V1V 1V7, Canada
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Cheng X, Jiang X, Tao K, Su Q, Wang Y, Xie E. Microscopic Nature of Gas Adsorption on WO 3 Surfaces: Electron Interaction and Localization. J Phys Chem Lett 2020; 11:9070-9078. [PMID: 33047959 DOI: 10.1021/acs.jpclett.0c02020] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Even though WO3 has been used in gas-sensors for many years, little is known about the gas-sensing mechanism. Using first-principles density functional theory and experimental methods, we study the adsorption of CO, H2, NH3, and NO2 on the surface of WO3 (001). The results indicate that the surface undergoes reconstruction after gas adsorption, which inevitably causes the localization of surface electrons and a change of the electric (sensing) signal. Through the analysis of atomic orbital and molecular orbital, the adsorption mechanism can be effectively predicted. The above analysis confirms that the resistance change is only related to the electronic behavior of the surface and the gas. We corrected problems associated with adsorption energy to characterize the adsorption strength of a gas on a surface, and we investigated the effect of the test temperature and test environment on both electronic interaction and the final electric sensing signal.
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Affiliation(s)
- Xu Cheng
- School of Physical Science and Technology, Lanzhou University, 730000 Lanzhou, China
| | - Xiao Jiang
- School of Physical Science and Technology, Lanzhou University, 730000 Lanzhou, China
| | - Kun Tao
- Key Lab for Magnetism and Magnetic Materials of Ministry of Education, Lanzhou University, 730000 Lanzhou, China
| | - Qing Su
- School of Physical Science and Technology, Lanzhou University, 730000 Lanzhou, China
| | - Yanrong Wang
- School of Physical Science and Technology, Lanzhou University, 730000 Lanzhou, China
| | - Erqing Xie
- School of Physical Science and Technology, Lanzhou University, 730000 Lanzhou, China
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