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Okayama K, Nakayama A, Murayama T, Sakaguchi N, Hong F, Qiao B, Wang J, Shimada T, Takagi S, Ishida T. Decoration of Gold and Platinum Nanoparticle Catalysts by 1 nm Thick Metal Oxide Overlayer and Its Effect on the CO Oxidation Activity. ACS APPLIED MATERIALS & INTERFACES 2024; 16:4570-4580. [PMID: 38239175 DOI: 10.1021/acsami.3c14935] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/01/2024]
Abstract
Exfoliated M-Al layered double hydroxide (M-Al LDH; M = Mg, Co, Ni, and Zn) nanosheets were adsorbed on Au/SiO2 and calcined to transform LDH into mixed metal oxides (MMOs) and yield Au/SiO2 coated with a thin MMO overlayer. These catalysts showed a higher catalytic activity than pristine Au/SiO2. In particular, the 50% CO conversion temperature decreased by more than 250 °C for Co-Al MMO-coated Au/SiO2. In contrast, the deposition of CoAlOx on Au/SiO2 by impregnation or the deposition of Au on Co-Al MMO-coated SiO2 resulted in a worse catalytic activity. Moreover, the presence of a thick MMO overlayer decreased the catalytic activity, suggesting that the control of the overlayer thickness to less than 1 nm is a requisite for obtaining a high catalytic activity. Moreover, the thin Co-Al MMO overlayer on Au/SiO2 possessed abundant oxygen vacancies, which would play an important role in O2 activation, resulting in a highly active interface between Au and the defect-rich MMO on the Au NP surface. Finally, this can be applied to Pt/SiO2, and the obtained Co-Al MMO-coated Pt/SiO2 also exhibited a much improved catalytic activity for CO oxidation.
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Affiliation(s)
- Kaho Okayama
- Department of Applied Chemistry for Environment, Graduate School of Urban Environmental Sciences, Tokyo Metropolitan University, 1-1 Minami-Osawa, Hachioji, Tokyo 192-0397, Japan
| | - Akihiro Nakayama
- Department of Applied Chemistry for Environment, Graduate School of Urban Environmental Sciences, Tokyo Metropolitan University, 1-1 Minami-Osawa, Hachioji, Tokyo 192-0397, Japan
| | - Toru Murayama
- Department of Applied Chemistry for Environment, Graduate School of Urban Environmental Sciences, Tokyo Metropolitan University, 1-1 Minami-Osawa, Hachioji, Tokyo 192-0397, Japan
- Yantai Key Laboratory of Gold Catalysis and Engineering, Shandong Applied Research Center of Gold Nanotechnology (AU-SDARC), School of Chemistry & Chemical Engineering, Yantai University, 30 Qingquan Road, Yantai 264005, China
| | - Norihito Sakaguchi
- Laboratory of Integrated Function Materials, Center for Advanced Research of Energy and Materials, Faculty of Engineering, Hokkaido University, Kita 13 Nishi 8, Kita-ku, Sapporo, Hokkaido 060-8628, Japan
| | - Feng Hong
- CAS Key Laboratory of Science and Technology on Applied Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian 116023, China
| | - Botao Qiao
- CAS Key Laboratory of Science and Technology on Applied Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian 116023, China
| | - Junhu Wang
- CAS Key Laboratory of Science and Technology on Applied Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian 116023, China
- Center for Advanced Mössbauer Spectroscopy, Mössbauer Effect Data Center, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian 116023, China
| | - Tetsuya Shimada
- Department of Applied Chemistry for Environment, Graduate School of Urban Environmental Sciences, Tokyo Metropolitan University, 1-1 Minami-Osawa, Hachioji, Tokyo 192-0397, Japan
| | - Shinsuke Takagi
- Department of Applied Chemistry for Environment, Graduate School of Urban Environmental Sciences, Tokyo Metropolitan University, 1-1 Minami-Osawa, Hachioji, Tokyo 192-0397, Japan
| | - Tamao Ishida
- Department of Applied Chemistry for Environment, Graduate School of Urban Environmental Sciences, Tokyo Metropolitan University, 1-1 Minami-Osawa, Hachioji, Tokyo 192-0397, Japan
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Yu J, Yang Y, Sun F, Chen J. Research status and prospect of nano silver (Ag)-modified photocatalytic materials for degradation of organic pollutants. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:191-214. [PMID: 38049687 DOI: 10.1007/s11356-023-31166-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/21/2023] [Accepted: 11/17/2023] [Indexed: 12/06/2023]
Abstract
Nano silver (Ag) was metallic Ag monomers with particle size to the nanoscale. Photocatalyst was a kind of semiconductor material with photocatalytic function. Loading precious metal Ag onto semiconductor surfaces by microwave, laser-induced, solvent-thermal and hydrothermal methods could capture photogenerated electrons, reduced the compounding rate of holes and photogenerated electrons during the photocatalytic process, thereby improving the electron transfer efficiency of photocatalysis and enhancing the absorption of visible light by silver nanoparticles through the plasma resonance effect. The highly reactive free radicals produced by photocatalysts were used in the organic degradation process to degrade organic matter into inorganic matter and was a faster, more efficient and less polluting method of pollutant degradation, which has attracted a lot of attention from researchers. This review discussed the modification of various types of photocatalysts by nano Ag through different methods. The photocatalytic degradation of dyes, antibiotics and persistent organic pollutants by different modified composites was also analyzed. This review covered the several ways and means in which nano Ag has modified diverse photocatalytic materials as well as the photocatalytic degradation of dyes, antibiotics and persistent organic pollutants. This review identified the drawbacks of the existing nano Ag-modified photocatalytic materials, including their low yield and lack of recyclability, and it also offered suggestions for potential future directions for their improvement. The purpose of this review was to further research on the technology of nano Ag-modified photocatalytic materials and to encourage the creation of new modified photocatalytic nanomaterials for the treatment of organic pollutant degradation.
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Affiliation(s)
- Jingjing Yu
- School of Life Sciences, Qufu Normal University, Qufu, 273165, People's Republic of China
| | - Yuewei Yang
- School of Life Sciences, Qufu Normal University, Qufu, 273165, People's Republic of China
| | - Fengfei Sun
- School of Life Sciences, Qufu Normal University, Qufu, 273165, People's Republic of China
| | - Junfeng Chen
- School of Life Sciences, Qufu Normal University, Qufu, 273165, People's Republic of China.
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Solid-state mechanochemical synthesis of Rh/Al2O3 catalysts for effective hydrolysis of ammonia borane. MOLECULAR CATALYSIS 2022. [DOI: 10.1016/j.mcat.2022.112518] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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Zhou H, Li B, Zhang Y, Yan X, Lv W, Wang X, Yuan B, Liu Y, Yang Z, Lou X. Au 3+ Species Boost the Catalytic Performance of Au/ZnO for the Semi-hydrogenation of Acetylene. ACS APPLIED MATERIALS & INTERFACES 2021; 13:40429-40440. [PMID: 34425673 DOI: 10.1021/acsami.1c02723] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Au nanoparticles have garnered remarkable attention in the chemoselective hydrogenation due to their extraordinary selectivity. However, the activity is far from satisfactory. Knowledge of the structure-performance relationship is a key prerequisite for rational designing of highly efficient Au-based hydrogenation catalysts. Herein, diverse Au sites were created through engineering their interactions with supports, specifically via adjusting the support morphology, that is, flower-like ZnO (ZnO-F) and disc-like ZnO (ZnO-D), and the catalyst pretreatment atmosphere, that is, 10 vol % O2/Ar and 10 vol % H2/Ar (denoted as -O and -H, respectively). The four samples of Au/ZnO were characterized by various techniques and evaluated in the semi-hydrogenation of acetylene. The transmission electron microscopy results indicated that the Au particle sizes are almost similar for our Au/ZnO catalysts. The charge states of Au species demonstrated by X-ray photoelectron spectroscopy, diffuse reflectance infrared Fourier transform spectroscopy with CO as the probe molecule, and simulation based on density functional theory, however, are greatly dependent on the ZnO shape and pretreatment atmosphere, that is, the percentage of Au3+ reduces following the order of Au/ZnO-F-O > Au/ZnO-F-H > Au/ZnO-D-O > Au/ZnO-D-H. The testing results showed that the Au/ZnO-F-O catalyst containing maximum of Au3+ possesses the optimal activity with 1.8 × 10-2 s-1 of specific activity at 200 °C, around 16.5-fold of that for Au/ZnO-D-H. More interestingly, the specific rate at 200 °C and the average conversion/selectivity in the entire operating temperature range are well correlated with the redox states of the Au species, indicating that Au3+ sites are more active for acetylene hydrogenation. A plausible explanation is that the Au3+ species not only facilitate acetylene adsorption via electrostatic interactions but also favor the heterolysis of H2 via constructing frustrated Lewis pairs with O.
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Affiliation(s)
- Huiran Zhou
- Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
| | - Bingxin Li
- Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
- Luoyang Refinery Hongda Industrial Co., Ltd., Luoyang, Henan 471012, China
| | - Yanxing Zhang
- School of Physics, Henan Normal University, Xinxiang, Henan 453007, China
| | - Xinyu Yan
- Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
| | - Wenxin Lv
- Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
| | - Xiaobing Wang
- Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
| | - Bingbing Yuan
- Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
| | - Yang Liu
- Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
| | - Zongxian Yang
- School of Physics, Henan Normal University, Xinxiang, Henan 453007, China
| | - Xiangdong Lou
- Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
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Luo J, Dong Y, Petit C, Liang C. Development of gold catalysts supported by unreducible materials: Design and promotions. CHINESE JOURNAL OF CATALYSIS 2021. [DOI: 10.1016/s1872-2067(20)63743-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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Maksimov GM, Gerasimov EY, Kenzhin RM, Saraev AA, Kaichev VV, Vedyagin AA. CO oxidation over titania-supported gold catalysts obtained using polyoxometalate. REACTION KINETICS MECHANISMS AND CATALYSIS 2021. [DOI: 10.1007/s11144-020-01881-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Lin M, Mochizuki C, An B, Inomata Y, Ishida T, Haruta M, Murayama T. Elucidation of Active Sites of Gold Nanoparticles on Acidic Ta 2O 5 Supports for CO Oxidation. ACS Catal 2020. [DOI: 10.1021/acscatal.0c01966] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Mingyue Lin
- Research Center for Gold Chemistry, Graduate School of Urban Environmental Sciences, Tokyo Metropolitan University, 1-1 Minami-Osawa, Hachioji, Tokyo 192-0397, Japan
| | - Chihiro Mochizuki
- Research Center for Gold Chemistry, Graduate School of Urban Environmental Sciences, Tokyo Metropolitan University, 1-1 Minami-Osawa, Hachioji, Tokyo 192-0397, Japan
| | - Baoxiang An
- Research Center for Gold Chemistry, Graduate School of Urban Environmental Sciences, Tokyo Metropolitan University, 1-1 Minami-Osawa, Hachioji, Tokyo 192-0397, Japan
| | - Yusuke Inomata
- Research Center for Gold Chemistry, Graduate School of Urban Environmental Sciences, Tokyo Metropolitan University, 1-1 Minami-Osawa, Hachioji, Tokyo 192-0397, Japan
| | - Tamao Ishida
- Research Center for Gold Chemistry, Graduate School of Urban Environmental Sciences, Tokyo Metropolitan University, 1-1 Minami-Osawa, Hachioji, Tokyo 192-0397, Japan
- Department of Applied Chemistry for Environment, Graduate School of Urban Environmental Sciences, Tokyo Metropolitan University, 1-1 Minami-Osawa, Hachioji, Tokyo 192-0397, Japan
| | - Masatake Haruta
- Research Center for Gold Chemistry, Graduate School of Urban Environmental Sciences, Tokyo Metropolitan University, 1-1 Minami-Osawa, Hachioji, Tokyo 192-0397, Japan
| | - Toru Murayama
- Research Center for Gold Chemistry, Graduate School of Urban Environmental Sciences, Tokyo Metropolitan University, 1-1 Minami-Osawa, Hachioji, Tokyo 192-0397, Japan
- Yantai Key Laboratory of Gold Catalysis and Engineering, Shandong Applied Research Center of Gold Nanotechnology, School of Chemistry & Chemical Engineering, Yantai University, Yantai 264005, China
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Shi J, Li H, Zhao W, Qi P, Wang H. Praseodymium hydroxide/gold-supported precursor: a new strategy for preparing stable and active catalyst for the water-gas shift reaction. Catal Sci Technol 2020. [DOI: 10.1039/d0cy01263g] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Rod-shaped praseodymium hydroxide (Pr(OH)x) as a hydroxyl- and O vacancy-rich support can promote the dispersion and stabilization of Au species show high activity and stability for water gas shift reaction, and holds great promise in the field of heterogeneous catalysis.
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Affiliation(s)
- Junjie Shi
- Shandong Applied Research Centre of Gold Nanotechnology
- School of Chemistry & Chemical Engineering
- Yantai University
- Yantai 264005
- China
| | - Hailian Li
- Shandong Applied Research Centre of Gold Nanotechnology
- School of Chemistry & Chemical Engineering
- Yantai University
- Yantai 264005
- China
| | - Weixuan Zhao
- Shandong Applied Research Centre of Gold Nanotechnology
- School of Chemistry & Chemical Engineering
- Yantai University
- Yantai 264005
- China
| | - Pengfei Qi
- State Key Laboratory of Bio-Fiber and Eco-textiles
- College of Materials Science and Engineering
- Collaborative Innovation Center for Marine Biobased Fibers and Ecological Textiles
- Institute of Marine Biobased Materials
- Qingdao University
| | - Hongxin Wang
- Shandong Applied Research Centre of Gold Nanotechnology
- School of Chemistry & Chemical Engineering
- Yantai University
- Yantai 264005
- China
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Donphai W, Jangyubol K, Worathitanon C, Niamnuy C, Chanlek N, Klysubun W, Chareonpanich M. Drying Techniques Affecting Structure‐Reactivity of Pt/Cr‐Ta : SrTiO
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Catalysts in Visible Light‐Irradiated Water Splitting Reaction. ChemCatChem 2019. [DOI: 10.1002/cctc.201901542] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Waleeporn Donphai
- KU-Green Catalysts Group Center of Excellence on Petrochemical and Materials Technology Department of Chemical Engineering Faculty of EngineeringKasetsart University Ladyao Jatujak Bangkok 10900 Thailand
- Nanocatalysts and Nanomaterials for Sustainable Energy and Environment Research Network of NANOTECKasetsart University Ladyao Jatujak Bangkok 10900 Thailand
| | - Kunthida Jangyubol
- KU-Green Catalysts Group Center of Excellence on Petrochemical and Materials Technology Department of Chemical Engineering Faculty of EngineeringKasetsart University Ladyao Jatujak Bangkok 10900 Thailand
- Nanocatalysts and Nanomaterials for Sustainable Energy and Environment Research Network of NANOTECKasetsart University Ladyao Jatujak Bangkok 10900 Thailand
| | - Chayet Worathitanon
- KU-Green Catalysts Group Center of Excellence on Petrochemical and Materials Technology Department of Chemical Engineering Faculty of EngineeringKasetsart University Ladyao Jatujak Bangkok 10900 Thailand
- Nanocatalysts and Nanomaterials for Sustainable Energy and Environment Research Network of NANOTECKasetsart University Ladyao Jatujak Bangkok 10900 Thailand
| | - Chalida Niamnuy
- KU-Green Catalysts Group Center of Excellence on Petrochemical and Materials Technology Department of Chemical Engineering Faculty of EngineeringKasetsart University Ladyao Jatujak Bangkok 10900 Thailand
| | - Narong Chanlek
- Synchrotron Light Research Institute Nakhon Ratchasima 30000 Thailand
| | - Wantana Klysubun
- Synchrotron Light Research Institute Nakhon Ratchasima 30000 Thailand
| | - Metta Chareonpanich
- KU-Green Catalysts Group Center of Excellence on Petrochemical and Materials Technology Department of Chemical Engineering Faculty of EngineeringKasetsart University Ladyao Jatujak Bangkok 10900 Thailand
- Nanocatalysts and Nanomaterials for Sustainable Energy and Environment Research Network of NANOTECKasetsart University Ladyao Jatujak Bangkok 10900 Thailand
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Zhao J, Shu Y, Zhang P. Solid-state CTAB-assisted synthesis of mesoporous Fe3O4 and Au@Fe3O4 by mechanochemistry. CHINESE JOURNAL OF CATALYSIS 2019. [DOI: 10.1016/s1872-2067(19)63288-2] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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