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Qin X, Ding C, Tian Y, Dong J, Cheng B. Multifunctional Ti 3C 2T x MXene/Silver Nanowire Membranes with Excellent Catalytic, Antifouling, and Antibacterial Properties for Nitrophenol-Containing Water Purification. ACS APPLIED MATERIALS & INTERFACES 2023; 15:48154-48167. [PMID: 37801365 DOI: 10.1021/acsami.3c09983] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/07/2023]
Abstract
The uncontrolled release of nitrophenol and dye pollutants into water systems is an increasingly serious worldwide concern, and thus efficient wastewater treatment technologies are urgently needed. Herein we report a novel two-dimensional (2D) transition metal carbides and/or nitrides (Ti3C2Tx MXene) membrane modified with silver nanowires (AgNWs) by vacuum assisted filtration technology for the ultrafast nitrophenol catalysis and water purification applications. Regular and controllable membrane transport channels were constructed by stacking Ti3C2Tx MXene nanosheets. Furthermore, the intercalation of AgNWs into the Ti3C2Tx MXene interlayer greatly enlarged the interlayer spacing, resulting in more gaps for fast and selective molecular transport. The optimized Ti3C2Tx MXene@AgNWs (M@A) membrane exhibited a water flux up to ∼191.9 L/(m2 h) while maintaining a high bovine serum albumin (BSA) rejection of ∼95.4%. We emphatically used M@A membranes as efficient catalysts for the reduction of 4-nitrophenol (4-NP), and the results indicated that M@A-12% membrane exhibited the greatest catalytic reduction ability, and recycling utilization. M@A-12% membrane also had an antibacterial rate of more than 99% against Escherichia coli (E. coli) and Staphylococcus aureus (S. aureus). This work provides a possibility to expand the application of 2D multifunctional M@A membranes in wastewater treatment and pollutant catalytic degradation.
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Affiliation(s)
- Xiwen Qin
- State Key Laboratory of Separation Membranes and Membrane Processes/National Center for International Joint Research on Separation Membranes, Tianjin 300387, China
- School of Materials Science and Engineering, Tiangong University, Tianjin 300387, China
| | - Changkun Ding
- State Key Laboratory of Separation Membranes and Membrane Processes/National Center for International Joint Research on Separation Membranes, Tianjin 300387, China
- School of Materials Science and Engineering, Tiangong University, Tianjin 300387, China
| | - Yingying Tian
- State Key Laboratory of Separation Membranes and Membrane Processes/National Center for International Joint Research on Separation Membranes, Tianjin 300387, China
- School of Materials Science and Engineering, Tiangong University, Tianjin 300387, China
| | - Jiankang Dong
- State Key Laboratory of Separation Membranes and Membrane Processes/National Center for International Joint Research on Separation Membranes, Tianjin 300387, China
- School of Materials Science and Engineering, Tiangong University, Tianjin 300387, China
| | - Bowen Cheng
- State Key Laboratory of Separation Membranes and Membrane Processes/National Center for International Joint Research on Separation Membranes, Tianjin 300387, China
- School of Materials Science and Engineering, Tiangong University, Tianjin 300387, China
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2
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Chen L, Klemeyer L, Ruan M, Liu X, Werner S, Xu W, Koeppen A, Bücker R, Gonzalez MG, Koziej D, Parak WJ, Chakraborty I. Structural Analysis and Intrinsic Enzyme Mimicking Activities of Ligand-Free PtAg Nanoalloys. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2206772. [PMID: 36755199 DOI: 10.1002/smll.202206772] [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] [Received: 11/02/2022] [Revised: 01/16/2023] [Indexed: 05/11/2023]
Abstract
Nanozymes are nanomaterials with biocatalytic properties under physiological conditions and are one class of artificial enzymes to overcome the high cost and low stability of natural enzymes. However, surface ligands on nanomaterials will decrease the catalytic activity of the nanozymes by blocking the active sites. To address this limitation, ligand-free PtAg nanoclusters (NCs) are synthesized and applied as nanozymes for various enzyme-mimicking reactions. By taking advantage of the mutual interaction of zeolitic imidazolate frameworks (ZIF-8) and Pt precursors, a good dispersion of PtAg bimetal NCs with a diameter of 1.78 ± 0.1 nm is achieved with ZIF-8 as a template. The incorporation of PtAgNCs in the voids of ZIF-8 is confirmed with structural analysis using the atomic pair-distribution function and powder X-ray diffraction. Importantly, the PtAgNCs present good catalytic activity for various enzyme-mimicking reactions, including peroxidase-/catalase- and oxidase-like reactions. Further, this work compares the catalytic activity between PtAg NCs and PtAg nanoparticles with different compositions and finds that these two nanozymes present a converse dependency of Ag-loading on their activity. This study contributes to the field of nanozymes and presents a potential option to prepare ligand-free bimetal biocatalysts with sizes in the nanocluster regime.
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Affiliation(s)
- Lizhen Chen
- Fachbereich Physik, Center for Hybrid Nanostructures (CHyN), Universität Hamburg, 22761, Hamburg, Germany
| | - Lars Klemeyer
- Fachbereich Physik, Center for Hybrid Nanostructures (CHyN), Universität Hamburg, 22761, Hamburg, Germany
| | - Mingbo Ruan
- State Key Laboratory of Electroanalytical Chemistry, and Jilin Province Key Laboratory of Low Carbon Chemical Power, Changchun Institute of Applied Chemistry, Chinese Academy of Science, 5625 Renmin Street, Changchun, 130022, P. R. China
| | - Xin Liu
- Fachbereich Physik, Center for Hybrid Nanostructures (CHyN), Universität Hamburg, 22761, Hamburg, Germany
| | - Stefan Werner
- Fachbereich Chemie, Universität Hamburg, 20146, Hamburg, Germany
| | - Weilin Xu
- State Key Laboratory of Electroanalytical Chemistry, and Jilin Province Key Laboratory of Low Carbon Chemical Power, Changchun Institute of Applied Chemistry, Chinese Academy of Science, 5625 Renmin Street, Changchun, 130022, P. R. China
| | - Andrea Koeppen
- Fachbereich Chemie, Universität Hamburg, 20146, Hamburg, Germany
| | - Robert Bücker
- Centre for Structural Systems Biology (CSSB), Department of Chemistry, University of Hamburg, 22761, Hamburg, Germany
- Rigaku Europe SE, 63263, Neu-Isenburg, Germany
| | | | - Dorota Koziej
- Fachbereich Physik, Center for Hybrid Nanostructures (CHyN), Universität Hamburg, 22761, Hamburg, Germany
- The Hamburg Centre for Ultrafast Imaging, 22761, Hamburg, Germany
| | - Wolfgang J Parak
- Fachbereich Physik, Center for Hybrid Nanostructures (CHyN), Universität Hamburg, 22761, Hamburg, Germany
| | - Indranath Chakraborty
- Fachbereich Physik, Center for Hybrid Nanostructures (CHyN), Universität Hamburg, 22761, Hamburg, Germany
- School of Nano Science and Technology, Indian Institute of Technology Kharagpur, Kharagpur, 721302, India
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Yellatur CS, Padmasale R, T M, Loka SS. Facile electrooxidation of ethanol on reduced graphene oxide supported Pt-Pd bimetallic nanocomposite surfaces in acidic media. NANOTECHNOLOGY 2022; 33:335401. [PMID: 35533662 DOI: 10.1088/1361-6528/ac6df7] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Accepted: 05/09/2022] [Indexed: 06/14/2023]
Abstract
Development of electrocatalysts with extended homogeneity and improved metal-support interactions is of urgent scientific need in the context of electrochemical energy applications. Herein, bimetallic Pt-Pd nanoparticles with good homogeneity are fabricated using a convenient solution phase chemical reduction method onto a reduced graphene oxide (rGO) support. X-ray diffraction studies revealed that Pt-Pd/rGO possesses the crystallite size of 3.1 nm. The efficacies of Pt-Pd/rGO catalyst (20 wt% Pt + 10 wt% Pd on rGO support, Pt:Pd atomic ratio = 1:1) towards ethanol electrooxidation reaction (EOR) are evaluated in acidic conditions by cyclic voltammetry using catalyst-coated glassy carbon electrode as a working electrode. With the better dispersion on rGO support the Pt-Pd/rGO nancomposite catalyst exhibit highest mass specific activity (0.358 mA/µg-Pt) which is observed to be 1.9 times of similarly synthesized 20 wt% Pt/rGO (0.189 mA/µg-Pt) and 2.5 times of commercial 20 wt% Pt/C (0.142 mA/µg-Pt), respectively. Apart from the observed improved EOR activity, the Pt-Pd/rGO catalyst exhibited better stability than Pt/rGO and Pt/C catalysts. Strong synergy offered by Pt, Pd and rGO support could contribute to the observed higher EOR activity of Pt-Pd/rGO.
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Affiliation(s)
- Chandra Sekhar Yellatur
- Nanoelectrochemistry Laboratory, Department of Chemistry, Yogi Vemana University, Kadapa-516 005, Andhra Pradesh, India
| | - Raghavendra Padmasale
- Department of Chemistry, Rajiv Gandhi University of Knowledge Technologies (RGUKT)-AP, IIIT Campus, ONGOLE-516 216, Andhra Pradesh, India
| | - Maiyalagan T
- Department of Chemistry, SRM Institute of Science & Technology, Kattankulathur, Chennai-603 203, Tamil Nadu, India
| | - Subramanyam Sarma Loka
- Nanoelectrochemistry Laboratory, Department of Chemistry, Yogi Vemana University, Kadapa-516 005, Andhra Pradesh, India
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Zhao G, Fang C, Hu J, Zhang D. Platinum-Based Electrocatalysts for Direct Alcohol Fuel Cells: Enhanced Performances toward Alcohol Oxidation Reactions. Chempluschem 2021; 86:574-586. [PMID: 33830678 DOI: 10.1002/cplu.202000811] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2020] [Revised: 03/20/2021] [Indexed: 12/28/2022]
Abstract
In the past few decades, Pt-based electrocatalysts have attracted great interests due to their high catalytic performances toward the direct alcohol fuel cell (DAFC). However, the high cost, poor stability, and the scarcity of Pt have markedly hindered their large-scale utilization in commerce. Therefore, enhancing the activity and durability of Pt-based electrocatalysts, reducing the Pt amount and thus the cost of DAFC have become the keys for their practical applications. In this minireview, we summarized some basic concepts to evaluate the catalytic performances in electrocatalytic alcohol oxidation reaction (AOR) including electrochemical active surface area, activity and stability, the effective approaches for boosting the catalytic AOR performance involving size decrease, structure and morphology modulation, composition effect, catalyst supports, and assistance under other external energies. Furthermore, we also presented the remaining challenges of the Pt-based electrocatalysts to achieve the fabrication of a real DAFC.
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Affiliation(s)
- Guili Zhao
- The Key Laboratory of Functional Molecular Solids, Ministry of Education, Anhui Laboratory of Molecular-Based Materials, Center for Nano Science and Technology, Key Laboratory of Electrochemical Clean Energy of Anhui Higher Education Institutes, Anhui Provincial Engineering Laboratory for New-Energy Vehicle Battery Energy-Storage Materials, College of Chemistry and Materials Science, Anhui Normal University, Wuhu, 241000, P. R. China
| | - Caihong Fang
- The Key Laboratory of Functional Molecular Solids, Ministry of Education, Anhui Laboratory of Molecular-Based Materials, Center for Nano Science and Technology, Key Laboratory of Electrochemical Clean Energy of Anhui Higher Education Institutes, Anhui Provincial Engineering Laboratory for New-Energy Vehicle Battery Energy-Storage Materials, College of Chemistry and Materials Science, Anhui Normal University, Wuhu, 241000, P. R. China
- Institute of Synthesis and Application of Medical Materials, Wannan Medical College, Wuhu, 241000, P. R. China
| | - Jinwu Hu
- The Key Laboratory of Functional Molecular Solids, Ministry of Education, Anhui Laboratory of Molecular-Based Materials, Center for Nano Science and Technology, Key Laboratory of Electrochemical Clean Energy of Anhui Higher Education Institutes, Anhui Provincial Engineering Laboratory for New-Energy Vehicle Battery Energy-Storage Materials, College of Chemistry and Materials Science, Anhui Normal University, Wuhu, 241000, P. R. China
| | - Deliang Zhang
- The Key Laboratory of Functional Molecular Solids, Ministry of Education, Anhui Laboratory of Molecular-Based Materials, Center for Nano Science and Technology, Key Laboratory of Electrochemical Clean Energy of Anhui Higher Education Institutes, Anhui Provincial Engineering Laboratory for New-Energy Vehicle Battery Energy-Storage Materials, College of Chemistry and Materials Science, Anhui Normal University, Wuhu, 241000, P. R. China
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5
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Xu X, Fang C, Bi T, Cui Z, Zhao G, Jiang X, Hu J. Dodecahedral Au/Pt Nanobowls as Robust Plasmonic Electrocatalysts for Methanol Oxidation under Visible‐Light Illumination. Chemistry 2020; 26:10787-10794. [DOI: 10.1002/chem.202001187] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2020] [Revised: 05/06/2020] [Indexed: 01/18/2023]
Affiliation(s)
- Xiaoxiao Xu
- College of Chemistry and Materials Science The Key Laboratory of Functional Molecular Solids Ministry of Education Anhui Laboratory of Molecular-Based Materials Center for Nano Science and Technology Key Laboratory of Electrochemical Clean Energy of Anhui Higher, Education Institutes Anhui Normal University Wuhu 241000 P. R. China
| | - Caihong Fang
- College of Chemistry and Materials Science The Key Laboratory of Functional Molecular Solids Ministry of Education Anhui Laboratory of Molecular-Based Materials Center for Nano Science and Technology Key Laboratory of Electrochemical Clean Energy of Anhui Higher, Education Institutes Anhui Normal University Wuhu 241000 P. R. China
| | - Ting Bi
- College of Chemistry and Materials Science The Key Laboratory of Functional Molecular Solids Ministry of Education Anhui Laboratory of Molecular-Based Materials Center for Nano Science and Technology Key Laboratory of Electrochemical Clean Energy of Anhui Higher, Education Institutes Anhui Normal University Wuhu 241000 P. R. China
| | - Zhiqing Cui
- College of Chemistry and Materials Science The Key Laboratory of Functional Molecular Solids Ministry of Education Anhui Laboratory of Molecular-Based Materials Center for Nano Science and Technology Key Laboratory of Electrochemical Clean Energy of Anhui Higher, Education Institutes Anhui Normal University Wuhu 241000 P. R. China
| | - Guili Zhao
- College of Chemistry and Materials Science The Key Laboratory of Functional Molecular Solids Ministry of Education Anhui Laboratory of Molecular-Based Materials Center for Nano Science and Technology Key Laboratory of Electrochemical Clean Energy of Anhui Higher, Education Institutes Anhui Normal University Wuhu 241000 P. R. China
| | - Xiaomin Jiang
- College of Chemistry and Materials Science The Key Laboratory of Functional Molecular Solids Ministry of Education Anhui Laboratory of Molecular-Based Materials Center for Nano Science and Technology Key Laboratory of Electrochemical Clean Energy of Anhui Higher, Education Institutes Anhui Normal University Wuhu 241000 P. R. China
| | - Jinwu Hu
- College of Chemistry and Materials Science The Key Laboratory of Functional Molecular Solids Ministry of Education Anhui Laboratory of Molecular-Based Materials Center for Nano Science and Technology Key Laboratory of Electrochemical Clean Energy of Anhui Higher, Education Institutes Anhui Normal University Wuhu 241000 P. R. China
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Luo L, Fu C, Yan X, Shen S, Yang F, Guo Y, Zhu F, Yang L, Zhang J. Promoting Effects of Au Submonolayer Shells on Structure-Designed Cu-Pd/Ir Nanospheres: Greatly Enhanced Activity and Durability for Alkaline Ethanol Electro-Oxidation. ACS APPLIED MATERIALS & INTERFACES 2020; 12:25961-25971. [PMID: 32395980 DOI: 10.1021/acsami.0c05605] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Rationally engineering the surface physicochemical properties of nanomaterials can improve their activity and durability for various electrocatalytic and energy conversion applications. Cu-Pd/Ir (CPI) nanospheres (NSs) anchored on N-doped porous graphene (NPG) [(CPI NSs/NPG)] have been recently demonstrated as a promising electrocatalyst for the alkaline ethanol oxidation reaction (EOR); to further enhance their electrocatalytic performance, the NPG-supported CPI NSs are coated with Au submonolayer (SML) shells (SMSs), through which their surface physicochemical properties can be tuned. CPI NSs/NPG is prepared by our previously developed method and possesses the special structures of composition-graded Cu1Pd1 and surface-doped Ir0.03. The Au SMSs with designed surface coverages are formed via an electrochemical technology involving incomplete Cu underpotential deposition (UPD) and Au3+ galvanic replacement. A distinctive volcano-type relation between the EOR electrocatalytic activity and the Au-SMS surface coverage for CPI@AuSML NSs/NPG is revealed, and the optimal CPI@Au1/6ML NSs/NPG greatly surpasses commercial Pd/C and CPI NSs/NPG in electrocatalytic activity and noble metal utilization. More importantly, its electrocatalytic durability in 1 h chronoamperometric and 500-cycle potential cycling degradation tests is also significantly improved. According to detailed physicochemical characterizations, electrochemical analyses, and density functional theory calculations, the promoting effects of the Au SMS for enhancing the EOR electrocatalytic activity and durability of CPI NSs/NPG can be mainly attributed to the greatly weakened carbonaceous intermediate bonding and properly increased surface oxidation potential. This work also proposes a versatile and effective strategy to tune the surface physicochemical properties of metal-based nanomaterials via incomplete UPD and metal-cation galvanic replacement for advancing their electrocatalytic and energy conversion performance.
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Affiliation(s)
- Liuxuan Luo
- Institute of Fuel Cells, Key Laboratory for Power Machinery and Engineering of MOE, School of Mechanical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Cehuang Fu
- Institute of Fuel Cells, Key Laboratory for Power Machinery and Engineering of MOE, School of Mechanical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Xiaohui Yan
- Institute of Fuel Cells, Key Laboratory for Power Machinery and Engineering of MOE, School of Mechanical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Shuiyun Shen
- Institute of Fuel Cells, Key Laboratory for Power Machinery and Engineering of MOE, School of Mechanical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Fan Yang
- Institute of Fuel Cells, Key Laboratory for Power Machinery and Engineering of MOE, School of Mechanical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Yangge Guo
- Institute of Fuel Cells, Key Laboratory for Power Machinery and Engineering of MOE, School of Mechanical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Fengjuan Zhu
- Institute of Fuel Cells, Key Laboratory for Power Machinery and Engineering of MOE, School of Mechanical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Lijun Yang
- Key Laboratory for Mesoscopic Chemistry of MOE, Jiangsu Provincial Lab for Nanotechnology, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Junliang Zhang
- Institute of Fuel Cells, Key Laboratory for Power Machinery and Engineering of MOE, School of Mechanical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
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7
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Zhu X, Xu J, Yun Q, Wang C, Ruan Q, Kan C. Realization of red plasmon shifts by the selective etching of Ag nanorods. CrystEngComm 2020. [DOI: 10.1039/d0ce01362e] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
The red plasmon shifts is realized through selective deposition of Au atoms and etching of Ag atoms on the Ag nanorods.
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Affiliation(s)
- Xingzhong Zhu
- College of Science
- Nanjing University of Aeronautics and Astronautics
- Nanjing 210016
- China
| | - Juan Xu
- College of Science
- Nanjing University of Aeronautics and Astronautics
- Nanjing 210016
- China
| | - Qinru Yun
- College of Science
- Nanjing University of Aeronautics and Astronautics
- Nanjing 210016
- China
| | - Changshun Wang
- College of Science
- Nanjing University of Aeronautics and Astronautics
- Nanjing 210016
- China
| | - Qifeng Ruan
- Engineering Product Development
- Singapore University of Technology and Design
- Singapore 487372
- Singapore
| | - Caixia Kan
- College of Science
- Nanjing University of Aeronautics and Astronautics
- Nanjing 210016
- China
- Key Laboratory for Intelligent Nano Materials and Devices of the Ministry of Education
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8
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Sreenivasa Kumar G, Ramamanohar Reddy N, Sravani B, Subramanyam Sarma L, Veera Reddy T, Madhavi V, Adinarayana Reddy S. Ultra-Range Bimetallic Pt–Pd Nanospheres Deposited on Reduced Graphene Sheet as Efficient Electrocatalyst Towards Electrooxidation of Methanol. J CLUST SCI 2019. [DOI: 10.1007/s10876-019-01752-z] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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9
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Patel DA, Kress PL, Cramer LA, Larson AM, Sykes ECH. Elucidating the composition of PtAg surface alloys with atomic-scale imaging and spectroscopy. J Chem Phys 2019; 151:164705. [DOI: 10.1063/1.5124687] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Affiliation(s)
- Dipna A. Patel
- Department of Chemistry, Tufts University, 62 Talbot Avenue, Medford, Massachusetts 02155, USA
| | - Paul L. Kress
- Department of Chemistry, Tufts University, 62 Talbot Avenue, Medford, Massachusetts 02155, USA
| | - Laura A. Cramer
- Department of Chemistry, Tufts University, 62 Talbot Avenue, Medford, Massachusetts 02155, USA
| | - Amanda M. Larson
- Department of Chemistry, Tufts University, 62 Talbot Avenue, Medford, Massachusetts 02155, USA
| | - E. Charles H. Sykes
- Department of Chemistry, Tufts University, 62 Talbot Avenue, Medford, Massachusetts 02155, USA
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Improved LSPR Properties of Ag–Pt and Pt Nanoparticles: A Systematic Study on Various Configurations and Compositions of NPs via the Solid-State Dewetting of Ag–Pt Bilayers. METALS 2019. [DOI: 10.3390/met9091011] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
The localized surface plasmon resonance (LSPR) of noble metal nanoparticles (NPs) has become an important research topic in various fields and can be systematically tuned to obtain the desired device performance through the appropriate structural and elemental modifications. In this research, the improved LSPR properties of Pt NPs and diverse configurations and compositions of Ag–Pt bimetallic alloy NPs were demonstrated on sapphire (0001) via the solid-state dewetting (SSD) of Ag–Pt bilayers. A strong and dynamic LSPR response in the ultraviolet (UV) and visible (VIS) regions was demonstrated depending on the elemental composition and surface morphology of the NPs, which is discussed along with finite difference time domain (FDTD) simulations. In comparison, the Ag–Pt NPs exhibited stronger LSPR excitation, whereas the Pt NPs showed a relatively weaker and broader response. Meanwhile, the Pt NPs fabricated in this study still demonstrated a much-enhanced LSPR response compared to previous studies on the solid-state dewetting of pure Pt films due to improvements in configuration, uniformity, and interparticle gaps. Various surface morphologies of NPs, such as connected nanoclusters, elongated NPs, and isolated spherical NPs, were obtained on the basis of alloying, diffusion, Rayleigh instability, and a surface minimization mechanism, which were different from those of pure Ag and Pt NPs in similar growth conditions. Particularly, one-step annealing of an Ag–Pt bilayer yielded Ag–Pt alloy NPs below 600 °C, which subsequently transformed into pure Pt NPs above 650 °C, in which the high diffusivity and high vapor pressure of Ag atoms significantly facilitated the overall growth process of the NPs.
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11
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Zhou Y, Shen Y, Xi J, Luo X. Selective Electro-Oxidation of Glycerol to Dihydroxyacetone by PtAg Skeletons. ACS APPLIED MATERIALS & INTERFACES 2019; 11:28953-28959. [PMID: 31318191 DOI: 10.1021/acsami.9b09431] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Developing high-performance electrocatalysts for the selective conversion of glycerol into value-added chemicals is of great significance. Herein, three-dimensional nanoporous PtAg skeletons were studied as catalysts for the electro-oxidation of glycerol. The structural features of the PtAg skeletons were revealed by electron microscopy, X-ray diffraction, X-ray photoelectron spectroscopy, and UV-vis spectroscopy. The electrochemical activity of the catalysts was examined by cyclic voltammetry, linear sweeping voltammetry, and chronoamperometry. The resulting PtAg skeletons exhibit a peak current density of 7.57 mA cm-2, which is 15.4-fold higher than that of Pt/C, making the PtAg skeletons one of the best electrocatalysts for glycerol oxidation. High-performance liquid chromatography results show that the PtAg skeletons yield a remarkable dihydroxyacetone selectivity of 82.6%, which has so far been the second largest value reported in the literature. The superior activity and selectivity of the PtAg skeletons are ascribed to the large surface area and abundant Pt(111) facets. Additionally, the effects of glycerol and KOH concentrations and reaction time on product selectivity were investigated.
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Affiliation(s)
- Yongfang Zhou
- School of Food Science and Engineering , South China University of Technology , Guangzhou 510640 , China
| | - Yi Shen
- School of Food Science and Engineering , South China University of Technology , Guangzhou 510640 , China
- Overseas Expertise Introduction Center for Discipline Innovation of Food Nutrition and Human Health (111 Center) , Guangzhou 510640 , China
| | - Jingyu Xi
- Institute of Green Chemistry and Energy, Graduate School at Shenzhen , Tsinghua University , Shenzhen 518055 , China
| | - Xuanli Luo
- Advanced Materials Research Group, Faculty of Engineering , University of Nottingham , Nottingham NG7 2RD , U.K
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12
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Fang C, Zhao G, Zhang Z, Ding Q, Yu N, Cui Z, Bi T. AuPt Bipyramid Nanoframes as Multifunctional Platforms for In Situ Monitoring of the Reduction of Nitrobenzene and Enhanced Electrocatalytic Methanol Oxidation. Chemistry 2019; 25:7351-7358. [DOI: 10.1002/chem.201900403] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2019] [Indexed: 11/08/2022]
Affiliation(s)
- Caihong Fang
- College of Chemistry and Materials ScienceThe Key Laboratory of Functional Molecular Solids, Ministry of EducationAnhui Laboratory of Molecular-Based MaterialsAnhui Normal University Wuhu in Anhui Province 241000 P.R. China
| | - Guili Zhao
- College of Chemistry and Materials ScienceThe Key Laboratory of Functional Molecular Solids, Ministry of EducationAnhui Laboratory of Molecular-Based MaterialsAnhui Normal University Wuhu in Anhui Province 241000 P.R. China
| | - Zijun Zhang
- College of Chemistry and Materials ScienceThe Key Laboratory of Functional Molecular Solids, Ministry of EducationAnhui Laboratory of Molecular-Based MaterialsAnhui Normal University Wuhu in Anhui Province 241000 P.R. China
| | - Qian Ding
- College of Chemistry and Materials ScienceThe Key Laboratory of Functional Molecular Solids, Ministry of EducationAnhui Laboratory of Molecular-Based MaterialsAnhui Normal University Wuhu in Anhui Province 241000 P.R. China
| | - Nan Yu
- College of Chemistry and Materials ScienceThe Key Laboratory of Functional Molecular Solids, Ministry of EducationAnhui Laboratory of Molecular-Based MaterialsAnhui Normal University Wuhu in Anhui Province 241000 P.R. China
| | - Zhiqing Cui
- College of Chemistry and Materials ScienceThe Key Laboratory of Functional Molecular Solids, Ministry of EducationAnhui Laboratory of Molecular-Based MaterialsAnhui Normal University Wuhu in Anhui Province 241000 P.R. China
| | - Ting Bi
- College of Chemistry and Materials ScienceThe Key Laboratory of Functional Molecular Solids, Ministry of EducationAnhui Laboratory of Molecular-Based MaterialsAnhui Normal University Wuhu in Anhui Province 241000 P.R. China
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13
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Bi J, Cai H, Wang B, Kong C, Yang S. Localized surface plasmon enhanced electrocatalytic methanol oxidation of AgPt bimetallic nanoparticles with an ultra-thin shell. Chem Commun (Camb) 2019; 55:3943-3946. [DOI: 10.1039/c9cc00331b] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
AgPt bimetallic hollow nanoparticles (AgPt-BHNPs) with an ultra-thin shell were synthesized.
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Affiliation(s)
- Jinglei Bi
- School of Science
- Key Laboratory of Shaanxi for Advanced Materials and Mesoscopic Physics
- State Key Laboratory for Mechanical Behavior of Materials
- Xi'an Jiaotong University
- Xi’an
| | - Hairui Cai
- School of Science
- Key Laboratory of Shaanxi for Advanced Materials and Mesoscopic Physics
- State Key Laboratory for Mechanical Behavior of Materials
- Xi'an Jiaotong University
- Xi’an
| | - Bin Wang
- School of Science
- Key Laboratory of Shaanxi for Advanced Materials and Mesoscopic Physics
- State Key Laboratory for Mechanical Behavior of Materials
- Xi'an Jiaotong University
- Xi’an
| | - Chuncai Kong
- School of Science
- Key Laboratory of Shaanxi for Advanced Materials and Mesoscopic Physics
- State Key Laboratory for Mechanical Behavior of Materials
- Xi'an Jiaotong University
- Xi’an
| | - Shengchun Yang
- School of Science
- Key Laboratory of Shaanxi for Advanced Materials and Mesoscopic Physics
- State Key Laboratory for Mechanical Behavior of Materials
- Xi'an Jiaotong University
- Xi’an
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14
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Zhu XY, Zhang L, Yuan PX, Feng JJ, Yuan J, Zhang QL, Wang AJ. Hollow Ag 44Pt 56 nanotube bundles with high electrocatalytic performances for hydrogen evolution and ethylene glycol oxidation reactions. J Colloid Interface Sci 2018; 532:571-578. [PMID: 30114646 DOI: 10.1016/j.jcis.2018.08.016] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2018] [Revised: 08/07/2018] [Accepted: 08/07/2018] [Indexed: 01/23/2023]
Abstract
It is a main challenge to synthesize highly efficient and durable nanocatalysts towards hydrogen evolution reaction (HER) and alcohol oxidation reaction in energy conversion and storage. Herein, a green wet-chemical approach was developed to directly prepare hollow Ag44Pt56 nanotube bundles (H-Ag44Pt56 NTBs), utilizing 5-azacytosine as a structure-directing agent. The obtained electrocatalyst displayed superior catalytic activity and durability for HER in acid media, and the great improvement in catalytic performance for ethylene glycol oxidation reaction (EGOR) in the alkaline electrolyte, outperforming home-made Ag34Pt66 nanoparticles (NPs), Ag70Pt30 NPs, and commercial Pt/C catalysts. The high electrocatalytic characters are mainly attributed to the special nanostructures and the synergetic effects between the bimetals.
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Affiliation(s)
- Xiao-Yan Zhu
- Key laboratory of the Ministry of Education for Advanced Catalysis Materials, College of Chemistry and Life Sciences, College of Geography and Environmental Sciences, Zhejiang Normal University, Jinhua 321004, China
| | - Lu Zhang
- Key laboratory of the Ministry of Education for Advanced Catalysis Materials, College of Chemistry and Life Sciences, College of Geography and Environmental Sciences, Zhejiang Normal University, Jinhua 321004, China
| | - Pei-Xin Yuan
- Key laboratory of the Ministry of Education for Advanced Catalysis Materials, College of Chemistry and Life Sciences, College of Geography and Environmental Sciences, Zhejiang Normal University, Jinhua 321004, China
| | - Jiu-Ju Feng
- Key laboratory of the Ministry of Education for Advanced Catalysis Materials, College of Chemistry and Life Sciences, College of Geography and Environmental Sciences, Zhejiang Normal University, Jinhua 321004, China
| | - Junhua Yuan
- Key laboratory of the Ministry of Education for Advanced Catalysis Materials, College of Chemistry and Life Sciences, College of Geography and Environmental Sciences, Zhejiang Normal University, Jinhua 321004, China
| | - Qian-Li Zhang
- School of Chemistry and Biological Engineering, Suzhou University of Science and Technology, Suzhou 215009, China
| | - Ai-Jun Wang
- Key laboratory of the Ministry of Education for Advanced Catalysis Materials, College of Chemistry and Life Sciences, College of Geography and Environmental Sciences, Zhejiang Normal University, Jinhua 321004, China.
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15
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Zhang R, Xia W, Kang W, Li R, Qu K, Zhang Y, Chen B, Wang H, Sun Y, Li H. Methanol Oxidation Reaction Performance on Graphene-Supported PtAg Alloy Nanocatalyst: Contrastive Study of Electronic and Geometric Effects Induced from Ag Doping. ChemistrySelect 2018. [DOI: 10.1002/slct.201800010] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Rui Zhang
- School of Chemistry and Chemical Engineering; Liaocheng University; Liaocheng 252059 P. R. China
| | - Wenfang Xia
- School of Chemistry and Chemical Engineering; Liaocheng University; Liaocheng 252059 P. R. China
| | - Wenjun Kang
- School of Chemistry and Chemical Engineering; Liaocheng University; Liaocheng 252059 P. R. China
| | - Rui Li
- School of Chemistry and Chemical Engineering; Liaocheng University; Liaocheng 252059 P. R. China
| | - Konggang Qu
- School of Chemistry and Chemical Engineering; Liaocheng University; Liaocheng 252059 P. R. China
| | - Yingtian Zhang
- School of Chemistry and Chemical Engineering; Liaocheng University; Liaocheng 252059 P. R. China
| | - Baoli Chen
- School of Chemistry and Chemical Engineering; Liaocheng University; Liaocheng 252059 P. R. China
| | - Huaisheng Wang
- School of Chemistry and Chemical Engineering; Liaocheng University; Liaocheng 252059 P. R. China
| | - Yongfu Sun
- Hefei National Laboratory for Physical Sciences at Microscale; CAS Center for Excellence in Nanoscience; Collaborative Innovation Center of Chemistry for Energy Materials; University of Science and Technology of China; Hefei 230026 P. R. China
| | - Haibo Li
- School of Chemistry and Chemical Engineering; Liaocheng University; Liaocheng 252059 P. R. China
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16
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Xu H, Liu C, Song P, Wang J, Gao F, Zhang Y, Shiraishi Y, Di J, Du Y. Ethylene Glycol Electrooxidation Based on Pentangle-Like PtCu Nanocatalysts. Chem Asian J 2018; 13:626-630. [DOI: 10.1002/asia.201800029] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2018] [Revised: 01/23/2018] [Indexed: 11/12/2022]
Affiliation(s)
- Hui Xu
- College of Chemistry, Chemical Engineering and Materials Science; Soochow University; Suzhou 215123 P. R. China
| | - Chaofan Liu
- College of Chemistry, Chemical Engineering and Materials Science; Soochow University; Suzhou 215123 P. R. China
| | - Pingping Song
- College of Chemistry, Chemical Engineering and Materials Science; Soochow University; Suzhou 215123 P. R. China
| | - Jin Wang
- College of Chemistry, Chemical Engineering and Materials Science; Soochow University; Suzhou 215123 P. R. China
| | - Fei Gao
- College of Chemistry, Chemical Engineering and Materials Science; Soochow University; Suzhou 215123 P. R. China
| | - Yangping Zhang
- College of Chemistry, Chemical Engineering and Materials Science; Soochow University; Suzhou 215123 P. R. China
| | - Yukihide Shiraishi
- Tokyo University of Science Yamaguchi, Sanyo-Onoda-shi; Yamaguchi 756-0884 Japan
| | - Junwei Di
- College of Chemistry, Chemical Engineering and Materials Science; Soochow University; Suzhou 215123 P. R. China
| | - Yukou Du
- College of Chemistry, Chemical Engineering and Materials Science; Soochow University; Suzhou 215123 P. R. China
- Tokyo University of Science Yamaguchi, Sanyo-Onoda-shi; Yamaguchi 756-0884 Japan
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17
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Fang C, Zhao J, Ding Q, Yu N, Sang Y, Geng B. Ultrathin-Branched Pt Grown on Quasi-Sphere Pd with Enhanced Electrocatalytic Performances. ChemistrySelect 2018. [DOI: 10.1002/slct.201702590] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Caihong Fang
- College of Chemistry and Materials Science; The Key laboratory of Functional Molecular Solids; Ministry of Education; Anhui Laboratory of Molecular-Based Materials; Center for Nano Science and Technology; Anhui Normal University; Wuhu 241000 China
| | - Jian Zhao
- College of Chemistry and Materials Science; The Key laboratory of Functional Molecular Solids; Ministry of Education; Anhui Laboratory of Molecular-Based Materials; Center for Nano Science and Technology; Anhui Normal University; Wuhu 241000 China
| | - Qian Ding
- College of Chemistry and Materials Science; The Key laboratory of Functional Molecular Solids; Ministry of Education; Anhui Laboratory of Molecular-Based Materials; Center for Nano Science and Technology; Anhui Normal University; Wuhu 241000 China
| | - Nan Yu
- College of Chemistry and Materials Science; The Key laboratory of Functional Molecular Solids; Ministry of Education; Anhui Laboratory of Molecular-Based Materials; Center for Nano Science and Technology; Anhui Normal University; Wuhu 241000 China
| | - Yan Sang
- College of Chemistry and Materials Science; The Key laboratory of Functional Molecular Solids; Ministry of Education; Anhui Laboratory of Molecular-Based Materials; Center for Nano Science and Technology; Anhui Normal University; Wuhu 241000 China
| | - Baoyou Geng
- College of Chemistry and Materials Science; The Key laboratory of Functional Molecular Solids; Ministry of Education; Anhui Laboratory of Molecular-Based Materials; Center for Nano Science and Technology; Anhui Normal University; Wuhu 241000 China
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18
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Wang AJ, Liu L, Lin XX, Yuan J, Feng JJ. One-pot synthesis of 3D freestanding porous PtAg hollow chain-like networks as efficient electrocatalyst for oxygen reduction reaction. Electrochim Acta 2017. [DOI: 10.1016/j.electacta.2017.06.013] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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19
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Feng JJ, Lin XX, Chen LX, Liu MT, Yuan J, Wang AJ. Ionic liquid-assisted synthesis of composition-tunable cross-linked AgPt aerogels with enhanced electrocatalysis. J Colloid Interface Sci 2017; 498:22-30. [DOI: 10.1016/j.jcis.2017.03.042] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2017] [Revised: 03/06/2017] [Accepted: 03/07/2017] [Indexed: 11/30/2022]
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20
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Zhong P, Liu H, Zhang J, Yin Y, Gao C. Controlled Synthesis of Octahedral Platinum‐Based Mesocrystals by Oriented Aggregation. Chemistry 2017; 23:6803-6810. [DOI: 10.1002/chem.201606023] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2016] [Indexed: 01/09/2023]
Affiliation(s)
- Ping Zhong
- Frontier Institute of Science and Technology Xi'an Jiaotong University, Xi'an Shaanxi 710054 P. R. China
| | - Hongpo Liu
- Frontier Institute of Science and Technology Xi'an Jiaotong University, Xi'an Shaanxi 710054 P. R. China
| | - Jie Zhang
- School of Science Xi'an Jiaotong University, Xi'an Shaanxi 710049 P. R. China
| | - Yadong Yin
- Department of Chemistry University of California Riverside California 92521 USA
| | - Chuanbo Gao
- Frontier Institute of Science and Technology Xi'an Jiaotong University, Xi'an Shaanxi 710054 P. R. China
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