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Kubra KT, Hasan MM, Hasan MN, Salman MS, Khaleque MA, Sheikh MC, Rehan AI, Rasee AI, Waliullah R, Awual ME, Hossain MS, Alsukaibi AK, Alshammari HM, Awual MR. The heavy lanthanide of Thulium(III) separation and recovery using specific ligand-based facial composite adsorbent. Colloids Surf A Physicochem Eng Asp 2023. [DOI: 10.1016/j.colsurfa.2023.131415] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/09/2023]
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Zhang H, Zhang Z, Liu Y, Fang X, Xu J, Wang X, Xu X. Band-Gap Engineering: A New Tool for Tailoring the Activity of Semiconducting Oxide Catalysts for CO Oxidation. J Phys Chem Lett 2021; 12:9188-9196. [PMID: 34528804 DOI: 10.1021/acs.jpclett.1c02471] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Cation or anion vacancies in semiconducting oxides usually benefit activity for CO oxidation. To study the nature of vacancy engineering for a thermocatalytic reaction, we adopted lattice doping of cations with varied valence states to construct anion and cation vacancies in n-type and p-type semiconducting CeO2 and NiO, respectively. Doping cations can effectively regulate the number of the vacancies, thus tailoring the activity for CO oxidation. The strong correlation of activation energy and specific activity with a catalyst band gap verified that the nature of vacancy engineering for activity of CeO2 and NiO for CO oxidation can be attributed to tailoring of the band gap. The larger the vacancy amount, the smaller the band gap, and the lower the activation energy, thus giving a higher specific activity. Band-gap engineering, widely used for photocatalytic processes, can be a new tool for tailoring the activity of semiconducting oxide catalysts for thermocatalytic reactions.
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Affiliation(s)
- Hongmin Zhang
- Key Laboratory of Jiangxi Province for Environment and Energy Catalysis, College of Chemistry, Nanchang University, Nanchang, Jiangxi 330031, China
| | - Zhiqiang Zhang
- Key Laboratory of Jiangxi Province for Environment and Energy Catalysis, College of Chemistry, Nanchang University, Nanchang, Jiangxi 330031, China
| | - Yameng Liu
- Key Laboratory of Jiangxi Province for Environment and Energy Catalysis, College of Chemistry, Nanchang University, Nanchang, Jiangxi 330031, China
| | - Xiuzhong Fang
- Key Laboratory of Jiangxi Province for Environment and Energy Catalysis, College of Chemistry, Nanchang University, Nanchang, Jiangxi 330031, China
| | - Junwei Xu
- Key Laboratory of Jiangxi Province for Environment and Energy Catalysis, College of Chemistry, Nanchang University, Nanchang, Jiangxi 330031, China
| | - Xiang Wang
- Key Laboratory of Jiangxi Province for Environment and Energy Catalysis, College of Chemistry, Nanchang University, Nanchang, Jiangxi 330031, China
| | - Xianglan Xu
- Key Laboratory of Jiangxi Province for Environment and Energy Catalysis, College of Chemistry, Nanchang University, Nanchang, Jiangxi 330031, China
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Chen X, Song L, Zhu G, Ma J, Xu A, Zhao W, Gu Y, An Y, Miao Y. A novel site-induced biomolecule anchoring strategy based on solid superacid ZrO 2/SO 42- for fabricating label-free IgG electrochemical immunosensors. NEW J CHEM 2021. [DOI: 10.1039/d1nj01279g] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
In this work, a unique zirconium dioxide solid superacid (ZrO2/SO42−) was utilized for the fabrication of an IgG electrochemical immunosensor.
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Affiliation(s)
- Xiaoyan Chen
- Institute of Bismuth Science
- College of Science
- University of Shanghai for Science and Technology
- Shanghai 200093
- China
| | - Lin Song
- Institute of Bismuth Science
- College of Science
- University of Shanghai for Science and Technology
- Shanghai 200093
- China
| | - Guanyang Zhu
- Institute of Bismuth Science
- College of Science
- University of Shanghai for Science and Technology
- Shanghai 200093
- China
| | - Jing Ma
- Department of Pharmacy
- Xinhua Hospital, School of Medicine
- Shanghai Jiaotong University
- Shanghai 200092
- China
| | - Ajing Xu
- Department of Pharmacy
- Xinhua Hospital, School of Medicine
- Shanghai Jiaotong University
- Shanghai 200092
- China
| | - Wenya Zhao
- Institute of Bismuth Science
- College of Science
- University of Shanghai for Science and Technology
- Shanghai 200093
- China
| | - Yingying Gu
- Institute of Bismuth Science
- College of Science
- University of Shanghai for Science and Technology
- Shanghai 200093
- China
| | - Yarui An
- Institute of Bismuth Science
- College of Science
- University of Shanghai for Science and Technology
- Shanghai 200093
- China
| | - Yuqing Miao
- Institute of Bismuth Science
- College of Science
- University of Shanghai for Science and Technology
- Shanghai 200093
- China
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