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Liu L, Mao C, Fu H, Qu X, Zheng S. ZnO Nanorod-Immobilized Pt Single-Atoms as an Ultrasensitive Sensor for Triethylamine Detection. ACS APPLIED MATERIALS & INTERFACES 2023; 15:16654-16663. [PMID: 36825856 DOI: 10.1021/acsami.2c21410] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Triethylamine (TEA) is a flammable and highly toxic gas, and the fast, accurate, and sensitive detection of gas TEA remains greatly challenging. Herein, we report a ZnO nanorod anchored with a single-atom Pt catalyst (Pt1/ZnO) as a gas sensor for TEA detection. The sensor shows high selectivity and high response to gas TEA with a response value of 4170 at 200 °C, which is 92 times higher than that of pure ZnO. Moreover, the Pt1/ZnO sensor has very short response and recovery times of only 34 and 76 s, respectively, and also has a high response to ppb-level TEA gas (100 ppb-21.6). The gas-sensing enhancement mechanism of the Pt1/ZnO sensor to gas TEA was systematically investigated using band structure analysis, in situ diffuse reflectance infrared Fourier transformation spectroscopy, and density functional theory calculations. The results show that the oxygen vacancies on Pt1/ZnO can effectively activate the adsorbed oxygen. Moreover, chemical bonds can be formed between Pt single atoms and N atoms in TEA to achieve effective adsorption and activation of TEA molecules, facilitating the reaction between TEA and the adsorbed oxygen on Pt1/ZnO, and thereby obtaining high gas-sensing performance. This work highlights the crucial role of Pt single-atom in improving the sensing performance for gas TEA detection, paving the way for developing more advanced gas sensors.
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Affiliation(s)
- Lingyue Liu
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210046, China
| | - Chengliang Mao
- Department of Chemistry, University of Toronto, 80 St. George Street, Toronto M5S3H6, Ontario, Canada
| | - Heyun Fu
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210046, China
| | - Xiaolei Qu
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210046, China
| | - Shourong Zheng
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210046, China
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Fang J, Chen Q, Li Z, Mao J, Li Y. The synthesis of single-atom catalysts for heterogeneous catalysis. Chem Commun (Camb) 2023; 59:2854-2868. [PMID: 36752217 DOI: 10.1039/d2cc06406e] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Heterogeneous catalysis is an important class of reactions in industrial production, especially in green chemical synthesis, and environmental and organic catalysis. Single-atom catalysts (SACs) have emerged as promising candidates for heterogeneous catalysis, due to their outstanding catalytic activity, high selectivity, and maximum atomic utilization efficiency. The high specific surface energy of SACs, however, results in the migration and aggregation of isolated atoms under typical reaction conditions. The controllable preparation of highly efficient and stable SACs has been a serious challenge for applications. Herein, we summarize the recent progress in the precise synthesis of SACs and their different heterogeneous catalyses, especially involving the oxidation and reduction reactions of small organic molecules. At the end of this review, we also introduce the challenges confronted by single-atom materials in heterogeneous catalysis. This review aims to promote the generation of novel high-efficiency SACs by providing an in-depth and comprehensive understanding of the current development in this research field.
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Affiliation(s)
- Jiaojiao Fang
- Key Laboratory of Functional Molecular Solids, Ministry of Education, College of Chemistry and Materials Science, Anhui Normal University, Wuhu 241002, P. R. China.
| | - Qingqing Chen
- Key Laboratory of Functional Molecular Solids, Ministry of Education, College of Chemistry and Materials Science, Anhui Normal University, Wuhu 241002, P. R. China.
| | - Zhi Li
- College of Chemistry, Beijing Normal University, Beijing 100875, P. R. China
| | - Junjie Mao
- Key Laboratory of Functional Molecular Solids, Ministry of Education, College of Chemistry and Materials Science, Anhui Normal University, Wuhu 241002, P. R. China.
| | - Yadong Li
- Key Laboratory of Functional Molecular Solids, Ministry of Education, College of Chemistry and Materials Science, Anhui Normal University, Wuhu 241002, P. R. China. .,Department of Chemistry, Tsinghua University, Beijing 100084, P. R. China. .,College of Chemistry, Beijing Normal University, Beijing 100875, P. R. China
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Zhou Y, Jiang Y, Ji Y, Lang R, Fang Y, Wu C. The Opportunities and Challenges in Single‐Atom Catalysis. ChemCatChem 2023. [DOI: 10.1002/cctc.202201176] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/11/2023]
Affiliation(s)
- Yang Zhou
- School of Chemical Engineering and Light Industry Guangdong University of Technology Guangzhou 510006 P. R. China
| | - Yan Jiang
- School of Chemical Engineering and Light Industry Guangdong University of Technology Guangzhou 510006 P. R. China
| | - Yuxia Ji
- School of Chemical Engineering and Light Industry Guangdong University of Technology Guangzhou 510006 P. R. China
| | - Rui Lang
- School of Chemical Engineering and Light Industry Guangdong University of Technology Guangzhou 510006 P. R. China
- Guangdong Provincial Key Laboratory of Plant Resources Biorefinery Guangzhou 510006 P. R. China
- Jieyang Branch of Chemistry and Chemical Engineering Guangdong Laboratory (Rongjiang Laboratory) Jieyang 515200 P. R. China
| | - Yanxiong Fang
- School of Chemical Engineering and Light Industry Guangdong University of Technology Guangzhou 510006 P. R. China
- Guangdong Provincial Key Laboratory of Plant Resources Biorefinery Guangzhou 510006 P. R. China
- Jieyang Branch of Chemistry and Chemical Engineering Guangdong Laboratory (Rongjiang Laboratory) Jieyang 515200 P. R. China
| | - Chuan‐De Wu
- School of Chemical Engineering and Light Industry Guangdong University of Technology Guangzhou 510006 P. R. China
- State Key Laboratory of Silicon Materials Department of Chemistry Zhejiang University Hangzhou 310027 P. R. China
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Singha A, Bhaduri K, Kothari AC, Chowdhury B. Selective hydroxylation of benzene to phenol via C H activation over mesoporous Fe2O3-TiO2 using H2O2. MOLECULAR CATALYSIS 2022. [DOI: 10.1016/j.mcat.2022.112800] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Hamadi H, Shakerzadeh E, Esrafili MD. Exploring the potential use of Fe-decorated B40 borospherene as a prospective catalyst for oxidation of methane to methanol. J Mol Graph Model 2022; 118:108369. [DOI: 10.1016/j.jmgm.2022.108369] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2022] [Revised: 10/19/2022] [Accepted: 10/31/2022] [Indexed: 11/12/2022]
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Denchy MA, Wang L, Bilik BR, Hansen L, Albornoz S, Lizano F, Blando N, Hicks Z, Gantefoer G, Bowen KH. Ultrasmall Cluster Model for Investigating Single Atom Catalysis: Dehydrogenation of 1-Propanamine by Size-Selected Pt 1Zr 2O 7 Clusters Supported on HOPG. J Phys Chem A 2022; 126:7578-7590. [PMID: 36257817 DOI: 10.1021/acs.jpca.2c03149] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The selective dehydrogenation of hydrocarbons and their functionalized derivatives is a promising pathway in the realization of endothermic fuel systems for powering important technologies such as hypersonic aircraft. The recent surge in interest in single atom catalysts (SACs) over the past decade offers the opportunity to achieve the ultimate levels of selectivity through the subnanoscale design tailoring of novel catalysts. Experimental techniques capable of investigating the fundamental nature of the active sites of novel SACs in well-controlled model studies offer the chance to reveal promising insights. We report here an approach to accomplish this through the soft landing of mass-selected, ultrasmall metal oxide cluster ions, in which a single noble metal atom bound to a metal oxide moiety serves as a model SAC active site. This method allows the preparation of model catalysts in which monodispersed neutral SAC model active sites are decorated across an inert electrically conductive support at submonolayer surface coverage, in this case, Pt1Zr2O7 clusters supported on highly oriented pyrolytic graphite (HOPG). The results contained herein show the characterization of the Pt1Zr2O7/HOPG model catalyst by X-ray photoelectron spectroscopy (XPS), along with an investigation of its reactivity toward the functionalized hydrocarbon molecule, 1-propanamine. Through temperature-programmed desorption/reaction (TPD/R) experiments it was shown that Pt1Zr2O7/HOPG decomposes 1-propanamine exclusively into propionitrile and H2, which desorb at 425 and 550 K, respectively. Conversely, clusters without the single platinum atom, that is, Zr2O7/HOPG, exhibited no reactivity toward 1-propanamine. Hence, the single platinum atom in Pt1Zr2O7/HOPG was found to play a critical role in the observed reactivity.
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Affiliation(s)
- Michael A Denchy
- Department of Chemistry, Johns Hopkins University, Baltimore, Maryland 21218, United States
| | - Linjie Wang
- Department of Chemistry, Johns Hopkins University, Baltimore, Maryland 21218, United States
| | - Benjamin R Bilik
- Department of Chemistry, Johns Hopkins University, Baltimore, Maryland 21218, United States
| | - Lucas Hansen
- Department of Chemistry, Johns Hopkins University, Baltimore, Maryland 21218, United States
| | - Sandra Albornoz
- Department of Chemistry, Johns Hopkins University, Baltimore, Maryland 21218, United States
| | - Francisco Lizano
- Department of Chemistry, Johns Hopkins University, Baltimore, Maryland 21218, United States
| | - Nicolas Blando
- Department of Chemistry, Johns Hopkins University, Baltimore, Maryland 21218, United States
| | - Zachary Hicks
- Department of Chemistry, Johns Hopkins University, Baltimore, Maryland 21218, United States
| | - Gerd Gantefoer
- Fachbereich fuer Physik, Universitaet Konstanz, 78457 Konstanz, Germany
| | - Kit H Bowen
- Department of Chemistry, Johns Hopkins University, Baltimore, Maryland 21218, United States
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Giannakakis G, Mitchell S, Pérez-Ramírez J. Single-atom heterogeneous catalysts for sustainable organic synthesis. TRENDS IN CHEMISTRY 2022. [DOI: 10.1016/j.trechm.2022.01.008] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Cirujano FG, Dhakshinamoorthy A. Supported metals on porous solids as heterogeneous catalysts for the synthesis of propargylamines. NEW J CHEM 2022. [DOI: 10.1039/d1nj05091e] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
This perspective summarizes recent developments in the synthesis of propargylamines using porous solids (zeolites, MOFs and carbon) as supports/catalysts.
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Affiliation(s)
- Francisco G. Cirujano
- Institute of Molecular Science (ICMOL), Universidad de Valencia, 46980 Paterna, Valencia, Spain
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Daliran S, Oveisi AR, Peng Y, López-Magano A, Khajeh M, Mas-Ballesté R, Alemán J, Luque R, Garcia H. Metal–organic framework (MOF)-, covalent-organic framework (COF)-, and porous-organic polymers (POP)-catalyzed selective C–H bond activation and functionalization reactions. Chem Soc Rev 2022; 51:7810-7882. [DOI: 10.1039/d1cs00976a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
The review summarizes the state-of-the-art of C–H active transformations over crystalline and amorphous porous materials as new emerging heterogeneous (photo)catalysts.
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Affiliation(s)
- Saba Daliran
- Department of Chemistry, Faculty of Sciences, Department of Chemistry, University of Zabol, 98615-538 Zabol, Iran
| | - Ali Reza Oveisi
- Department of Chemistry, Faculty of Sciences, Department of Chemistry, University of Zabol, 98615-538 Zabol, Iran
| | - Yong Peng
- Instituto de Tecnología Química CSIC-UPV, Universitat Politècnica de València, Consejo Superior de Investigaciones Científicas, Av. de los Naranjos s/n, Valencia 46022, Spain
| | - Alberto López-Magano
- Inorganic Chemistry Department, Módulo 7, Universidad Autónoma de Madrid, 28049 Madrid, Spain
| | - Mostafa Khajeh
- Department of Chemistry, Faculty of Sciences, Department of Chemistry, University of Zabol, 98615-538 Zabol, Iran
| | - Rubén Mas-Ballesté
- Inorganic Chemistry Department, Módulo 7, Universidad Autónoma de Madrid, 28049 Madrid, Spain
- Institute for Advanced Research in Chemical Sciences (IAdChem), Universidad Autónoma de Madrid, 28049 Madrid, Spain
| | - José Alemán
- Organic Chemistry Department, Módulo 1, Universidad Autónoma de Madrid, 28049 Madrid, Spain
- Institute for Advanced Research in Chemical Sciences (IAdChem), Universidad Autónoma de Madrid, 28049 Madrid, Spain
| | - Rafael Luque
- Department of Organic Chemistry, University of Cordoba, Campus de Rabanales, EdificioMarie Curie (C-3), CtraNnal IV-A, Km 396, E14014 Cordoba, Spain
- Peoples Friendship University of Russia (RUDN University), 6 Miklukho-Maklaya str., 117198, Moscow, Russia
| | - Hermenegildo Garcia
- Instituto de Tecnología Química CSIC-UPV, Universitat Politècnica de València, Consejo Superior de Investigaciones Científicas, Av. de los Naranjos s/n, Valencia 46022, Spain
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Liu Y, Zheng Y, Dong P, Zhang W, Wu W, Mao J. Atomically Dispersed Cu Anchored on Nitrogen and Boron Codoped Carbon Nanosheets for Enhancing Catalytic Performance. ACS APPLIED MATERIALS & INTERFACES 2021; 13:61047-61054. [PMID: 34904829 DOI: 10.1021/acsami.1c17205] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Development of high-performance heterogeneous catalytic materials is important for the rapid upgrade of chemicals, which remains a challenge. Here, the benzene oxidation reaction was used to demonstrate the effectiveness of the atomic interface strategy to improve catalytic performance. The developed B,N-cocoordinated Cu single atoms anchored on carbon nanosheets (Cu1/B-N) with the Cu-N2B1 atomic interface was prepared by the pyrolysis of a precoordinated Cu precursor. Benefiting from the unique atomic Cu-N2B1 interfacial structure, the designed Cu1/B-N exhibited considerable activity in the oxidation of benzene, which was much higher than Cu1/N-C, Cu NPs/N-C, and N-C catalysts. A theoretical study showed that the enhanced catalytic performance resulted from the optimized adsorption of intermediates, which originated from the manipulation of the electronic structure of Cu single atoms induced by B atom coordination in the Cu-N2B1 atomic interface. This study provides an innovative approach for the rational design of high-performance heterogeneous catalytic materials at the atomic level.
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Affiliation(s)
- Yan Liu
- Key Laboratory of Functional Molecular Solids, Ministry of Education, College of Chemistry and Materials Science, Anhui Normal University, Wuhu 241002, China
| | - Yamin Zheng
- Key Laboratory of Functional Molecular Solids, Ministry of Education, College of Chemistry and Materials Science, Anhui Normal University, Wuhu 241002, China
| | - Panpan Dong
- Key Laboratory of Functional Molecular Solids, Ministry of Education, College of Chemistry and Materials Science, Anhui Normal University, Wuhu 241002, China
| | - Wenzhuang Zhang
- Key Laboratory of Functional Molecular Solids, Ministry of Education, College of Chemistry and Materials Science, Anhui Normal University, Wuhu 241002, China
| | - Wenjie Wu
- Institute of Chemistry, the Chinese Academy of Sciences (CAS), Beijing 100190, China
| | - Junjie Mao
- Key Laboratory of Functional Molecular Solids, Ministry of Education, College of Chemistry and Materials Science, Anhui Normal University, Wuhu 241002, China
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