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Wang L, Song J, Yu C. Metal-organic framework-derived metal oxides for resistive gas sensing: a review. Phys Chem Chem Phys 2023. [PMID: 38047729 DOI: 10.1039/d3cp04777f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/05/2023]
Abstract
Gas sensors with exceptional sensitivity and selectivity are vital in the real-time surveillance of noxious and harmful gases. Despite this, traditional gas sensing materials still face a number of challenges, such as poor selectivity, insufficient detection limits, and short lifespan. Metal oxides, which are derived from metal-organic framework materials (MOFs), have been widely used in the field of gas sensors because they have a high surface area and large pore volume. Incorporating metal oxides derived from MOFs into gas sensors can improve their sensitivity and selectivity, thus opening up new possibilities for the development of innovative, high-performance gas sensors. This article examines the gas sensing process of metal oxide semiconductors (MOS), evaluates the advances made in the research of different structures of MOF-derived metal oxides in resistive gas sensors, and provides information on their potential applications and future advancements.
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Affiliation(s)
- Luyu Wang
- College of Artificial Intelligence and E-Commerce, Zhejiang Gongshang University Hangzhou College of Commerce, Hangzhou, 311599, China.
- School of Materials Science and Engineering, Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - Jia Song
- School of Nuclear Science and Engineering, Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Chunyang Yu
- Design-AI Laboratory, China Academy of Art, Hangzhou 310009, China
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2
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Li W, Guo Y, Liu Y, Yang W, Hu J, Ma J. A controllable surface etching strategy for MOF-derived porous ZnCo 2O 4@ZnO/Co 3O 4 oxides and their sensing properties. RSC Adv 2023; 13:24936-24943. [PMID: 37614793 PMCID: PMC10442772 DOI: 10.1039/d3ra05135h] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2023] [Accepted: 08/04/2023] [Indexed: 08/25/2023] Open
Abstract
Here, we report a surface etching strategy for the controllable synthesis of metal-organic framework (MOF)-derived ZnCo2O4@ZnO/Co3O4 oxides. Different from previous studies, ZnCo-glycolate (ZnCo-gly) spheres acted as sacrificial templates to provide Zn2+ and Co2+ ions, which coordinated with 2-MeIm to form Zeolitic Imidazolate Frameworks (ZIFs) on the surface of ZnCo-gly. A series of characterizations were employed to clarify the evolution of the surface etching strategy. Interestingly, the ZIF thickness of the ZnCo-gly surface could be controlled by adjusting the reaction time. After calcination, p-n heterojunctions were formed between the MOF-derived ZnO and Co3O4, which made it show excellent selectivity to methanal gas.
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Affiliation(s)
- Wang Li
- College of Materials Science and Engineering, Taiyuan University of Science and Technology Taiyuan 030003 China
- Laboratory of Magnetic and Electric Functional Materials and the Applications, The Key Laboratory of Shanxi Province Taiyuan 030024 China
| | - Yulin Guo
- College of Materials Science and Engineering, Taiyuan University of Science and Technology Taiyuan 030003 China
| | - Yan Liu
- College of Materials Science and Engineering, Taiyuan University of Science and Technology Taiyuan 030003 China
| | - Wen Yang
- College of Materials Science and Engineering, Taiyuan University of Science and Technology Taiyuan 030003 China
| | - Jifan Hu
- College of Materials Science and Engineering, Taiyuan University of Science and Technology Taiyuan 030003 China
- Laboratory of Magnetic and Electric Functional Materials and the Applications, The Key Laboratory of Shanxi Province Taiyuan 030024 China
| | - Jiangwei Ma
- College of Materials Science and Engineering, Taiyuan University of Science and Technology Taiyuan 030003 China
- Laboratory of Magnetic and Electric Functional Materials and the Applications, The Key Laboratory of Shanxi Province Taiyuan 030024 China
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3
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A Co-based MOF as nanozyme with enhanced oxidase-like activity for highly sensitive and selective colorimetric differentiation of aminophenol isomers. Talanta 2023; 255:124219. [PMID: 36580809 DOI: 10.1016/j.talanta.2022.124219] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2022] [Revised: 12/08/2022] [Accepted: 12/25/2022] [Indexed: 12/27/2022]
Abstract
Nanozyme with the merit of excellent and adjustable catalytic activity, outstanding stability and low cost is a promising alternative for natural enzymes widely applied in a variety of fields. In the present study, a new two-dimensional cobalt-based MOF nanocomposite designated as MVCM@β-CD was synthesized. Combined with the strategies of increasing the ratio of Co(Ⅲ)/Co(Ⅱ) and modifying with small molecule β-cyclodextrin (β-CD), MVCM@β-CD displayed remarkably enhanced oxidase-mimicking activity, which was attributed to synergistic effect from large surface area of two dimensional Co-MOF nanosheet, numerous exposed active sites, high-proportioned trivalence of cobalt and regulating action of β-cyclodextrin. The addition of aminophenol isomers inhibited the catalytic oxidation process, resulting in different color change of the solution and UV-Vis absorption behaviors, based on which a sensitive ratiometric colorimetry for m-aminophenol (m-Ap) and a simple colorimetric p-aminophenol (p-Ap) detection method were developed with the detection limit of 0.16 μM and 1.01 μM, respectively. This method realized the colorimetric differentiation of aminophenol isomers, which provided a simple, accurate and low-cost approach for visual discrimination without complicated instrument and procedure, especially appropriate for on-site detection.
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Duraisamy V, Sudha V, Dharuman V, Senthil Kumar SM. Highly Efficient Electrochemical Sensing of Acetaminophen by Cobalt Oxide-Embedded Nitrogen-Doped Hollow Carbon Spheres. ACS Biomater Sci Eng 2023; 9:1682-1693. [PMID: 36840727 DOI: 10.1021/acsbiomaterials.2c01248] [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: 02/26/2023]
Abstract
With respect to sensor application investigations, hollow mesoporous carbon sphere-based materials of the spinel type of cobalt oxide (Co3O4) and heteroatom-doped materials are gaining popularity. In this contribution, dopamine hydrochloride (DA) and cobalt phthalocyanine (CoPc) precursors were employed to construct a highly homogeneous Co3O4-embedded N-doped hollow carbon sphere (Co3O4@NHCS) by a straightforward one-step polymerization procedure. The resulting Co3O4@NHCS materials may effectively tune the surface area, defect sites, and doping amount of N and Co elements by altering the loading amount of CoPc. The relatively high surface area, greater spherical wall thickness, enriched defect sites, and better extent of N and Co sites are all visible in the best 200 mg loaded Co3O4@NHCS-2 material. This leads to significant improvement in pyridine and graphitic N site concentrations, which offers exceptional electrochemical performance. Electrochemical analysis was used to study the electrocatalytic activity of Co3O4@NHCSs towards the sensing of pharmacologically active significant compounds (acetaminophen). Excellent sensor properties include the linear range (0.001-0.2 and 1.0-8.0 mM), sensitivity, limit of detection (0.07 and 0.11 μM), and selectivity in the modified Co3O4@NHCSs/GCE. The authentic sample (acetaminophen tablet) produces a satisfactory result when used practically.
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Affiliation(s)
- Velu Duraisamy
- Electroorganic and Materials Electrochemistry (EME) Division, CSIR-Central Electrochemical Research Institute (CECRI), Karaikudi 630 003, Tamil Nadu, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201 002, India
| | - Velayutham Sudha
- Molecular Electronics Laboratory, Department of Bioelectronics and Biosensors, Science Campus, Alagappa University, Karaikudi 630003, India
| | - Venkataraman Dharuman
- Molecular Electronics Laboratory, Department of Bioelectronics and Biosensors, Science Campus, Alagappa University, Karaikudi 630003, India
| | - Sakkarapalayam Murugesan Senthil Kumar
- Electroorganic and Materials Electrochemistry (EME) Division, CSIR-Central Electrochemical Research Institute (CECRI), Karaikudi 630 003, Tamil Nadu, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201 002, India
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5
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Song D, Xu X, Huang X, Li G, Zhao Y, Gao F. Oriented Design of Transition-Metal-Oxide Hollow Multishelled Micropolyhedron Derived from Bimetal-Organic Frameworks for the Electrochemical Detection of Multipesticide Residues. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2023; 71:2600-2609. [PMID: 36715487 DOI: 10.1021/acs.jafc.2c08818] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Transition-metal oxides (TMOs) with a hollow multishelled structure have emerged as highly potential materials for high-performance electrochemical sensing, benefiting from their superior electronic conductivity, exceptionally large specific surface area, excellent stability, and electrochemistry properties. In particular, binary TMOs are expected to outperform unitary TMOs due to the synergistic effect of the different metals. Herein, MnCo2O4.5 hollow quadruple-shelled porous micropolyhedrons (MnCo2O4.5 HoQS-MPs) were prepared and employed to construct an ultrasensitive sensing platform for a multipesticide assay. Profiting from complex hollow interior structures and abundant active sites, the MnCo2O4.5 HoQS-MPs manifest outstanding electrochemical properties as electrode materials for the pesticide assay. The MnCo2O4.5 HoQS-MP-based biosensor demonstrated remarkable performance for monocrotophos, methamidophos, and carbaryl detection, with wide linear ranges, as well as low detection limits. This work unveils a new pathway for the ultrasensitive detection of pesticides and demonstrates tremendous potential for detecting other environmentally deleterious chemicals.
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Affiliation(s)
- Dandan Song
- Hebei Key Laboratory of Heavy Metal Deep-Remediation in Water and Resource Reuse, Yanshan University, Qinhuangdao066004, P. R. China
| | - Xiaoyue Xu
- Hebei Key Laboratory of Heavy Metal Deep-Remediation in Water and Resource Reuse, Yanshan University, Qinhuangdao066004, P. R. China
| | - Xingge Huang
- Hebei Key Laboratory of Heavy Metal Deep-Remediation in Water and Resource Reuse, Yanshan University, Qinhuangdao066004, P. R. China
| | - Guoqiang Li
- Hebei Key Laboratory of Heavy Metal Deep-Remediation in Water and Resource Reuse, Yanshan University, Qinhuangdao066004, P. R. China
| | - Yisong Zhao
- Hebei Key Laboratory of Heavy Metal Deep-Remediation in Water and Resource Reuse, Yanshan University, Qinhuangdao066004, P. R. China
| | - Faming Gao
- Key Laboratory of Applied Chemistry, Department of Applied Chemistry, Yanshan University, Qinhuangdao066004, P. R. China
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Xie Y, Lyu S, Zhang Y, Cai C. Adsorption and Degradation of Volatile Organic Compounds by Metal-Organic Frameworks (MOFs): A Review. MATERIALS (BASEL, SWITZERLAND) 2022; 15:7727. [PMID: 36363319 PMCID: PMC9656840 DOI: 10.3390/ma15217727] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/20/2022] [Revised: 10/28/2022] [Accepted: 10/28/2022] [Indexed: 06/16/2023]
Abstract
Volatile organic compounds (VOCs) are a major threat to human life and health. The technologies currently used to remove VOCs mainly include adsorption and photocatalysis. Adsorption is the most straightforward strategy, but it cannot ultimately eliminate VOCs. Due to the limited binding surface, the formaldehyde adsorption on conventional photocatalysts is limited, and the photocatalytic degradation efficiency is not high enough. By developing novel metal-organic framework (MOF) materials that can catalytically degrade VOCs at room temperature, the organic combination of new MOF materials and traditional purification equipment can be achieved to optimize adsorption and degradation performance. In the present review, based on the research on the adsorption and removal of VOCs by MOF materials in the past 10 years, starting from the structure and characteristics of MOFs, the classification of which was described in detail, the influencing factors and mechanisms in the process of adsorption and removal of VOCs were summarized. In addition, the research progress of MOF materials was summarized, and its future development in this field was prospected.
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Affiliation(s)
- Yangyang Xie
- Department of Building Environment and Energy Engineering, School of Civil and Resources Engineering, University of Science and Technology Beijing, Beijing 100083, China
| | - Sining Lyu
- Department of Building Environment and Energy Engineering, School of Civil and Resources Engineering, University of Science and Technology Beijing, Beijing 100083, China
| | - Yue Zhang
- Department of Building Environment and Energy Engineering, School of Civil and Resources Engineering, University of Science and Technology Beijing, Beijing 100083, China
- School of Energy and Power Engineering, Xi’an Jiaotong University, Xi’an 710049, China
| | - Changhong Cai
- School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, China
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Hu X, Li X, Yang H, Xu C, Xiong W, Guo X, Xie C, Zeng D. Active W Sites Promoted by Defect Engineering Enhanced C 2H 6S 3 Sensing Performance of WO 3 Nanosheets. ACS Sens 2022; 7:1894-1902. [PMID: 35734877 DOI: 10.1021/acssensors.2c00487] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Defect engineering has received extensive attention as an effective method to tune the gas sensing properties of semiconductor materials. Here, defective WO3 (D-WO3) nanosheets were obtained by a simple hydrogenation process with a detection limit as low as 5 ppb for dimethyl trisulfide (DMTS) and a response of 2.3 times that of the initial WO3 nanosheets to 100 ppb DMTS. Importantly, X-ray photoelectron spectroscopy and Raman spectroscopy confirmed the partial loss of oxygen atoms in D-WO3 nanosheets, and density functional theory calculations found that the W sites near the oxygen defect showed higher adsorption energy for DMTS and transferred more electrons during the gas interaction, indicating that the active W site caused by oxygen atom loss can effectively enhance the reactivity of two-dimensional WO3 nanosheets. Different from the traditional oxygen defect model, this work reveals the positive effect of active metal sites on gas sensing for the first time, which is expected to provide an effective reference for the sensing application of defect engineering in metal oxides.
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Affiliation(s)
- Xiafen Hu
- The State Key Laboratory of Materials and Processing Die & Mould Technology, School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, People's Republic of China
| | - Xiang Li
- The State Key Laboratory of Materials and Processing Die & Mould Technology, School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, People's Republic of China
| | - Huimin Yang
- The State Key Laboratory of Materials and Processing Die & Mould Technology, School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, People's Republic of China
| | - Chengjia Xu
- Hubei Sanjiang Aerospace Jianghe Chemical Technology Co., Ltd. of China, Yichang 444200, People's Republic of China
| | - Weiqiang Xiong
- The State Key Laboratory of Materials and Processing Die & Mould Technology, School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, People's Republic of China.,Science and Technology on Aerospace Chemical Power Laboratory, Hubei Institute of Aerospace Chemistry Technology, Xiangyang 441003, People's Republic of China
| | - Xiang Guo
- Science and Technology on Aerospace Chemical Power Laboratory, Hubei Institute of Aerospace Chemistry Technology, Xiangyang 441003, People's Republic of China
| | - Changsheng Xie
- The State Key Laboratory of Materials and Processing Die & Mould Technology, School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, People's Republic of China
| | - Dawen Zeng
- The State Key Laboratory of Materials and Processing Die & Mould Technology, School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, People's Republic of China
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8
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Ranjan P, Gaur S, Yadav H, Urgunde AB, Singh V, Patel A, Vishwakarma K, Kalirawana D, Gupta R, Kumar P. 2D materials: increscent quantum flatland with immense potential for applications. NANO CONVERGENCE 2022; 9:26. [PMID: 35666392 PMCID: PMC9170864 DOI: 10.1186/s40580-022-00317-7] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/07/2022] [Accepted: 05/22/2022] [Indexed: 05/08/2023]
Abstract
Quantum flatland i.e., the family of two dimensional (2D) quantum materials has become increscent and has already encompassed elemental atomic sheets (Xenes), 2D transition metal dichalcogenides (TMDCs), 2D metal nitrides/carbides/carbonitrides (MXenes), 2D metal oxides, 2D metal phosphides, 2D metal halides, 2D mixed oxides, etc. and still new members are being explored. Owing to the occurrence of various structural phases of each 2D material and each exhibiting a unique electronic structure; bestows distinct physical and chemical properties. In the early years, world record electronic mobility and fractional quantum Hall effect of graphene attracted attention. Thanks to excellent electronic mobility, and extreme sensitivity of their electronic structures towards the adjacent environment, 2D materials have been employed as various ultrafast precision sensors such as gas/fire/light/strain sensors and in trace-level molecular detectors and disease diagnosis. 2D materials, their doped versions, and their hetero layers and hybrids have been successfully employed in electronic/photonic/optoelectronic/spintronic and straintronic chips. In recent times, quantum behavior such as the existence of a superconducting phase in moiré hetero layers, the feasibility of hyperbolic photonic metamaterials, mechanical metamaterials with negative Poisson ratio, and potential usage in second/third harmonic generation and electromagnetic shields, etc. have raised the expectations further. High surface area, excellent young's moduli, and anchoring/coupling capability bolster hopes for their usage as nanofillers in polymers, glass, and soft metals. Even though lab-scale demonstrations have been showcased, large-scale applications such as solar cells, LEDs, flat panel displays, hybrid energy storage, catalysis (including water splitting and CO2 reduction), etc. will catch up. While new members of the flatland family will be invented, new methods of large-scale synthesis of defect-free crystals will be explored and novel applications will emerge, it is expected. Achieving a high level of in-plane doping in 2D materials without adding defects is a challenge to work on. Development of understanding of inter-layer coupling and its effects on electron injection/excited state electron transfer at the 2D-2D interfaces will lead to future generation heterolayer devices and sensors.
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Affiliation(s)
- Pranay Ranjan
- Department of Metallurgical and Materials Engineering, Indian Institute of Technology Jodhpur, Karwar, 342037, Rajasthan, India.
| | - Snehraj Gaur
- Advanced Materials and Devices Laboratory, Department of Chemistry, Indian Institute of Technology Jodhpur, Karwar, 342037, Rajasthan, India
| | - Himanshu Yadav
- Advanced Materials and Devices Laboratory, Department of Chemistry, Indian Institute of Technology Jodhpur, Karwar, 342037, Rajasthan, India
| | - Ajay B Urgunde
- Advanced Materials and Devices Laboratory, Department of Chemistry, Indian Institute of Technology Jodhpur, Karwar, 342037, Rajasthan, India
| | - Vikas Singh
- Advanced Materials and Devices Laboratory, Department of Chemistry, Indian Institute of Technology Jodhpur, Karwar, 342037, Rajasthan, India
| | - Avit Patel
- Advanced Materials and Devices Laboratory, Department of Chemistry, Indian Institute of Technology Jodhpur, Karwar, 342037, Rajasthan, India
| | - Kusum Vishwakarma
- Advanced Materials and Devices Laboratory, Department of Chemistry, Indian Institute of Technology Jodhpur, Karwar, 342037, Rajasthan, India
| | - Deepak Kalirawana
- Advanced Materials and Devices Laboratory, Department of Chemistry, Indian Institute of Technology Jodhpur, Karwar, 342037, Rajasthan, India
| | - Ritu Gupta
- Advanced Materials and Devices Laboratory, Department of Chemistry, Indian Institute of Technology Jodhpur, Karwar, 342037, Rajasthan, India.
| | - Prashant Kumar
- Global Innovative Centre for Advanced Nanomaterials (GICAN), College of Engineering, Science and Environment (CESE), School of Engineering, The University of Newcastle, University Drive, Callaghan, NSW, 2308, Australia.
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Li X, Yang H, Hu X, Wu Q, Xiong W, Qin Z, Xie C, Zeng D. Exposed Mo atoms induced by micropores enhanced H 2S sensing of MoO 3 nanoflowers. JOURNAL OF HAZARDOUS MATERIALS 2022; 429:128270. [PMID: 35065310 DOI: 10.1016/j.jhazmat.2022.128270] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/21/2021] [Revised: 12/29/2021] [Accepted: 01/11/2022] [Indexed: 06/14/2023]
Abstract
It is well known that the metal atoms of metal oxide semiconductor (MOS) exhibit significant activity in gas sensing. However, limited by the shielding effect of the outer oxygen atom layer, layered MoO3 is often difficult to show ideal gas adsorption activity. Hence, the MoO3 microporous nanoflowers (MPNFs) assembled by porous two-dimensional nanosheets were successfully synthesized and exhibited excellent gas sensing performance to H2S, and the response was 7.2 times higher than that of simple MoO3 nanosheets. The abundant pores of MoO3 MPNFs were due to the influence of the crystal cell shrinkage effect on the atomic arrangement, while the significantly enhanced gas sensing performance was attributed to the positive effect of the microporous structure on gas diffusion and the exposed edge Mo atoms. This was confirmed by DFT calculation results that, compared to the Mo atoms on the surface of MoO3 nanosheets, the Mo atoms around the pores were exposed because they broke through the shielding effect of the oxygen atom layer and exhibited higher adsorption activity for H2S and O2 molecules. Therefore, this work can shed a light on the design of high-performance gas sensors based on metal oxides.
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Affiliation(s)
- Xiang Li
- The State Key Laboratory of Materials Processing and Die & Mould Technology, School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, PR China
| | - Huimin Yang
- The State Key Laboratory of Materials Processing and Die & Mould Technology, School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, PR China
| | - Xiafen Hu
- The State Key Laboratory of Materials Processing and Die & Mould Technology, School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, PR China
| | - Qirui Wu
- The State Key Laboratory of Materials Processing and Die & Mould Technology, School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, PR China
| | - Weiqiang Xiong
- The State Key Laboratory of Materials Processing and Die & Mould Technology, School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, PR China
| | - Ziyu Qin
- Hainan Provincial Fine Chemical Engineering Research Center, Hainan University, Haikou, Hainan 570228, PR China
| | - Changsheng Xie
- The State Key Laboratory of Materials Processing and Die & Mould Technology, School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, PR China
| | - Dawen Zeng
- The State Key Laboratory of Materials Processing and Die & Mould Technology, School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, PR China.
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10
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Zhao L, Zhu RR, Wang S, He L, Du L, Zhao QH. Multiple Strategies to Fabricate a Highly Stable 2D Cu IICu I-Organic Framework with High Proton Conductivity. Inorg Chem 2021; 60:16474-16483. [PMID: 34657429 DOI: 10.1021/acs.inorgchem.1c02312] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
Using multifunctional organic ligands with multiple acidic groups (carboxylate and sulfonate groups) to synthesize metal-organic frameworks (MOFs) bearing effective H-bond networks is a promising strategy to obtain highly proton conductive materials. In this work, a highly stable two-dimensional MOF, [CuII5CuI2(μ3-OH)4(H2O)6(L)2(H2L)2]·3H2O (denoted as YCu161; H3L = 6-sulfonaphthalene-1,4-dicarboxylic acid) containing mixed-valence [CuII5CuI2(μ3-OH)4]8+ subunits, was successfully prepared. It exhibited excellent stability and temperature- and humidity-dependent proton conduction properties. Its optimal proton conductivity reached 1.84 × 10-3 S cm-1 at 90 °C and 98% relative humidity. On the basis of a crystal structure analysis, water vapor adsorption test results, and activation energy calculations, we deduced the proton conduction pathway and mechanism. Apparently, uncoordinated sulfonic and carboxyl groups and a network of abundant H-bonds inside the framework were responsible for the efficient proton transfer. Therefore, the strategy of selecting suitable bifunctional ligands to construct two-dimensional Cu-cluster-based MOFs with excellent proton conductivity is feasible.
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Affiliation(s)
- Lijia Zhao
- Key Laboratory of Medicinal Chemistry for Natural Resource Education Ministry, Yunnan University, Kunming 650091, Yunnan, People's Republic of China.,School of Chemical Science and Technology, Yunnan University, Kunming 650091, Yunnan, People's Republic of China
| | - Rong-Rong Zhu
- Key Laboratory of Medicinal Chemistry for Natural Resource Education Ministry, Yunnan University, Kunming 650091, Yunnan, People's Republic of China.,School of Chemical Science and Technology, Yunnan University, Kunming 650091, Yunnan, People's Republic of China
| | - Shuyu Wang
- Key Laboratory of Medicinal Chemistry for Natural Resource Education Ministry, Yunnan University, Kunming 650091, Yunnan, People's Republic of China.,School of Chemical Science and Technology, Yunnan University, Kunming 650091, Yunnan, People's Republic of China
| | - Liancheng He
- Key Laboratory of Medicinal Chemistry for Natural Resource Education Ministry, Yunnan University, Kunming 650091, Yunnan, People's Republic of China.,School of Chemical Science and Technology, Yunnan University, Kunming 650091, Yunnan, People's Republic of China
| | - Lin Du
- Key Laboratory of Medicinal Chemistry for Natural Resource Education Ministry, Yunnan University, Kunming 650091, Yunnan, People's Republic of China.,School of Chemical Science and Technology, Yunnan University, Kunming 650091, Yunnan, People's Republic of China
| | - Qi-Hua Zhao
- Key Laboratory of Medicinal Chemistry for Natural Resource Education Ministry, Yunnan University, Kunming 650091, Yunnan, People's Republic of China.,School of Chemical Science and Technology, Yunnan University, Kunming 650091, Yunnan, People's Republic of China
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11
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Zhou T, Zhang T. Recent Progress of Nanostructured Sensing Materials from 0D to 3D: Overview of Structure-Property-Application Relationship for Gas Sensors. SMALL METHODS 2021; 5:e2100515. [PMID: 34928067 DOI: 10.1002/smtd.202100515] [Citation(s) in RCA: 52] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/13/2021] [Revised: 06/23/2021] [Indexed: 05/27/2023]
Abstract
Along with the progress of nanoscience and nanotechnology, nanomaterials with attractive structural and functional properties have gained more attention than ever before, especially in the field of electronic sensors. In recent years, the gas sensing devices have made great achievement and also created wide application prospects, which leads to a new wave of research for designing advanced sensing materials. There is no doubt that the characteristics are highly governed by the sensitive layers. For this reason, important advances for the outstanding, novel sensing materials with different dimensional structures including 0D, 1D, 2D, and 3D are reported and summarized systematically. The sensing materials cover noble metals, metal oxide semiconductors, carbon nanomaterials, metal dichalcogenides, g-C3 N4 , MXenes, and complex composites. Discussion is also extended to the relation between sensing performances and their structure, electronic properties, and surface chemistry. In addition, some gas sensing related applications are also highlighted, including environment monitoring, breath analysis, food quality and safety, and flexible wearable electronics, from current situation and the facing challenges to the future research perspectives.
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Affiliation(s)
- Tingting Zhou
- State Key Laboratory of Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, Changchun, 130012, P. R. China
| | - Tong Zhang
- State Key Laboratory of Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, Changchun, 130012, P. R. China
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