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Chen Y, Wang H, Ji S, Pollet BG, Wang R. Toward high performance of zinc-air battery using hydrophobic carbon foam-based diffusion electrode. J IND ENG CHEM 2019. [DOI: 10.1016/j.jiec.2018.11.037] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Lv H, Sun L, Zou L, Xu D, Yao H, Liu B. Size-dependent synthesis and catalytic activities of trimetallic PdAgCu mesoporous nanospheres in ethanol electrooxidation. Chem Sci 2019; 10:1986-1993. [PMID: 30842858 PMCID: PMC6375357 DOI: 10.1039/c8sc04696d] [Citation(s) in RCA: 63] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2018] [Accepted: 12/11/2018] [Indexed: 12/20/2022] Open
Abstract
Mesoporous noble metal nanocrystals have exhibited significant potential in electrocatalysis. However, it remains a big challenge to controllably synthesize sub-100 nm multimetallic mesoporous nanospheres (MNSs) with precisely tunable sizes and to further understand their size-dependent electrocatalytic performances. In this manuscript, a one-pot solution-phase strategy was developed for the formation of nanosized trimetallic PdAgCu MNSs with cylindrically open mesoporous nanochannels and continuous frameworks. The resultant Pd-based MNSs were precisely tailorable not only in terms of size (from 21 to 104 nm), but also in terms of elemental ratios and compositions (PdAgCu, PdAgPt, PdAgFe, PdPtCu, and PdCuRu). This system thus provided a facile yet straightforward means to evaluate the size effect of trimetallic MNSs in electrocatalysis. As an example, trimetallic PdAgCu MNSs with an average size of 36 nm exhibited the best activity of 4.64 A mgPd -1 in the electrocatalytic ethanol oxidation reaction, 1.1-1.7 fold higher than that of MNSs with smaller or larger sizes and 5.9 fold higher than that of commercial Pd black catalyst. By means of kinetic studies, the size-dependent electrocatalytic performance can be ascribed to the optimization and balance between electron transfer and mass transfer processes inside PdAgCu MNSs. We expect that the size effect of multimetallic MNS nanocatalysts presented here may provide a general synthetic methodology for rational design of size-dependent nanocatalysts for a broad range of applications.
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Affiliation(s)
- Hao Lv
- Jiangsu Key Laboratory of New Power Batteries , Jiangsu Collaborative Innovation Center of Biomedical Functional Materials , School of Chemistry and Materials Science , Nanjing Normal University , Nanjing , Jiangsu 210023 , China . ;
| | - Lizhi Sun
- Jiangsu Key Laboratory of New Power Batteries , Jiangsu Collaborative Innovation Center of Biomedical Functional Materials , School of Chemistry and Materials Science , Nanjing Normal University , Nanjing , Jiangsu 210023 , China . ;
| | - Lu Zou
- Jiangsu Key Laboratory of New Power Batteries , Jiangsu Collaborative Innovation Center of Biomedical Functional Materials , School of Chemistry and Materials Science , Nanjing Normal University , Nanjing , Jiangsu 210023 , China . ;
| | - Dongdong Xu
- Jiangsu Key Laboratory of New Power Batteries , Jiangsu Collaborative Innovation Center of Biomedical Functional Materials , School of Chemistry and Materials Science , Nanjing Normal University , Nanjing , Jiangsu 210023 , China . ;
| | - Huiqin Yao
- School of Basic Medical Sciences , Ningxia Medical University , Yinchuan 750004 , China
| | - Ben Liu
- Jiangsu Key Laboratory of New Power Batteries , Jiangsu Collaborative Innovation Center of Biomedical Functional Materials , School of Chemistry and Materials Science , Nanjing Normal University , Nanjing , Jiangsu 210023 , China . ;
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Cyganowski P, Lesniewicz A, Dzimitrowicz A, Wolska J, Pohl P, Jermakowicz-Bartkowiak D. Molecular reactors for synthesis of polymeric nanocomposites with noble metal nanoparticles for catalytic decomposition of 4-nitrophenol. J Colloid Interface Sci 2019; 541:226-233. [PMID: 30690266 DOI: 10.1016/j.jcis.2019.01.097] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2018] [Revised: 01/21/2019] [Accepted: 01/22/2019] [Indexed: 11/29/2022]
Abstract
HYPOTHESIS A new, facile in-situ method for synthesis of polymeric nanocomposites (NCs) with nanoparticles (NPs) of Au, Pt and Pd is proposed. The method involves reduction-coupled sorption of Au(III), Pt(VI), and Pd(II), which avoids diffusion limitations, allowing the precipitation and stabilization of the NPs directly in the polymeric matrix. EXPERIMENTS The obtained nanomaterials were characterized by transmission electron microscopy (TEM), and Fourier-transformation infrared spectroscopy (FT-IR). NPs loaded into polymers were also investigated using X-ray diffraction (XRD). FINDINGS Based on the results, it was concluded that the amino functionalities simultaneously reduced noble metals ions and capped the NPs. The average diameter of the obtained AuNPs ranged from 25 to 109 nm, while reduction-coupled sorption was carried out in 1 and 3 mol L-1 HCl solutions, respectively. Applying a 0.1 mol L-1 HCl solution containing Au(III), Pd(II) and Pt(VI), a NC with AuNPs and cubic-like PdNPs was fabricated, while using a solution of the same composition, but in 3 mol L-1 HCl, resulted in formation of a NC with flower-like PtNPs. Ultimately, the selected NC based on a resin with functionalities derived from 1-(2-aminoethyl)piperazine and with bi-metallic active sites, i.e. AuNPs and PdNPs, revealed catalytic activity in the reduction of 4-nitrophenol.
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Affiliation(s)
- Piotr Cyganowski
- Wroclaw University of Science and Technology, Faculty of Chemistry, Department of Polymer and Carbonaceous Materials, Wybrzeze St. Wyspianskiego 27, 50-370 Wroclaw, Poland.
| | - Anna Lesniewicz
- Wroclaw University of Science and Technology, Faculty of Chemistry, Department of Analytical Chemistry and Chemical Metallurgy, Wybrzeze St. Wyspianskiego 27, 50-370 Wroclaw, Poland
| | - Anna Dzimitrowicz
- Wroclaw University of Science and Technology, Faculty of Chemistry, Department of Analytical Chemistry and Chemical Metallurgy, Wybrzeze St. Wyspianskiego 27, 50-370 Wroclaw, Poland
| | - Joanna Wolska
- Wroclaw University of Science and Technology, Faculty of Chemistry, Department of Polymer and Carbonaceous Materials, Wybrzeze St. Wyspianskiego 27, 50-370 Wroclaw, Poland
| | - Pawel Pohl
- Wroclaw University of Science and Technology, Faculty of Chemistry, Department of Analytical Chemistry and Chemical Metallurgy, Wybrzeze St. Wyspianskiego 27, 50-370 Wroclaw, Poland
| | - Dorota Jermakowicz-Bartkowiak
- Wroclaw University of Science and Technology, Faculty of Chemistry, Department of Polymer and Carbonaceous Materials, Wybrzeze St. Wyspianskiego 27, 50-370 Wroclaw, Poland
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54
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Deng K, Xu Y, Li C, Wang Z, Xue H, Li X, Wang L, Wang H. PtPdRh Mesoporous Nanospheres: An Efficient Catalyst for Methanol Electro-Oxidation. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2019; 35:413-419. [PMID: 30567437 DOI: 10.1021/acs.langmuir.8b03656] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
Abstract
Porous multimetallic alloyed nanostructures possess unique physical and chemical properties to generate promising potential in fuel cells. However, the controllable synthesis of this kind of materials still remains challenging. Herein, we report a facile method for the one-pot, high-yield synthesis of trimetallic PtPdRh mesoporous nanospheres (PtPdRh MNs) under mild conditions. The resultant PtPdRh MNs possess the features of uniform shape, a narrow size distribution, plenty of well-defined mesopores, highly open structure, and multicomponent effects, which impart advantages such as large surface area, favorable mass diffusion, high utilization of electrocatalysts, and synergy among the various metal components. Benefitting from the synergetic effects originating from the multimetallic composition and unique mesoporous structure, the as-prepared PtPdRh MNs exhibit remarkably enhanced electrocatalytic performance for methanol oxidation reaction relative to bimetallic PtPd MNs and commercial Pt/C catalyst.
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Affiliation(s)
- Kai Deng
- State Key Laboratory Breeding Base of Green-Chemical Synthesis Technology, College of Chemical Engineering , Zhejiang University of Technology , Hangzhou , Zhejiang 310014 , P. R. China
| | - You Xu
- State Key Laboratory Breeding Base of Green-Chemical Synthesis Technology, College of Chemical Engineering , Zhejiang University of Technology , Hangzhou , Zhejiang 310014 , P. R. China
| | - Chunjie Li
- State Key Laboratory Breeding Base of Green-Chemical Synthesis Technology, College of Chemical Engineering , Zhejiang University of Technology , Hangzhou , Zhejiang 310014 , P. R. China
| | - Ziqiang Wang
- State Key Laboratory Breeding Base of Green-Chemical Synthesis Technology, College of Chemical Engineering , Zhejiang University of Technology , Hangzhou , Zhejiang 310014 , P. R. China
| | - Hairong Xue
- State Key Laboratory Breeding Base of Green-Chemical Synthesis Technology, College of Chemical Engineering , Zhejiang University of Technology , Hangzhou , Zhejiang 310014 , P. R. China
| | - Xiaonian Li
- State Key Laboratory Breeding Base of Green-Chemical Synthesis Technology, College of Chemical Engineering , Zhejiang University of Technology , Hangzhou , Zhejiang 310014 , P. R. China
| | - Liang Wang
- State Key Laboratory Breeding Base of Green-Chemical Synthesis Technology, College of Chemical Engineering , Zhejiang University of Technology , Hangzhou , Zhejiang 310014 , P. R. China
| | - Hongjing Wang
- State Key Laboratory Breeding Base of Green-Chemical Synthesis Technology, College of Chemical Engineering , Zhejiang University of Technology , Hangzhou , Zhejiang 310014 , P. R. China
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55
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Moglianetti M, Solla-Gullón J, Donati P, Pedone D, Debellis D, Sibillano T, Brescia R, Giannini C, Montiel V, Feliu JM, Pompa PP. Citrate-Coated, Size-Tunable Octahedral Platinum Nanocrystals: A Novel Route for Advanced Electrocatalysts. ACS APPLIED MATERIALS & INTERFACES 2018; 10:41608-41617. [PMID: 30404443 DOI: 10.1021/acsami.8b11774] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
The development of green and scalable syntheses for the preparation of size- and shape-controlled metal nanocrystals is of high interest in many areas, including catalysis, electrocatalysis, nanomedicine, and electronics. In this work, a new synthetic approach based on the synergistic action of physical parameters and reagents produces size-tunable octahedral Pt nanocrystals, without the use of catalyst-poisoning reagents and/or difficult-to-remove coatings. The synthesis requires sodium citrate, ascorbic acid, and fine control of the reduction rate in aqueous environment. Pt octahedral nanocrystals with particle size as low as 7 nm and highly developed {111} facets have been achieved, as demonstrated by transmission electron microscopy, X-ray diffraction, and electrochemical methods. The absence of sticky molecules together with the high quality of the surface makes these nanocrystals ideal candidates in electrocatalysis. Notably, 7 nm bismuth-decorated octahedral nanocrystals exhibit superior performance for the electrooxidation of formic acid in terms of both specific and mass activities.
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Affiliation(s)
- Mauro Moglianetti
- Nanobiointeractions & Nanodiagnostics, Center for Bio-Molecular Nanotechnologies , Istituto Italiano di Tecnologia , Via Barsanti , 73010 Arnesano , Lecce , Italy
| | - José Solla-Gullón
- Institute of Electrochemistry , University of Alicante , Apdo. 99 , E-03080 Alicante , Spain
| | - Paolo Donati
- Nanobiointeractions & Nanodiagnostics, Center for Bio-Molecular Nanotechnologies , Istituto Italiano di Tecnologia , Via Barsanti , 73010 Arnesano , Lecce , Italy
| | - Deborah Pedone
- Nanobiointeractions & Nanodiagnostics, Center for Bio-Molecular Nanotechnologies , Istituto Italiano di Tecnologia , Via Barsanti , 73010 Arnesano , Lecce , Italy
- Department of Engineering for Innovation , University of Salento , Via per Monteroni , 73100 Lecce , Italy
| | - Doriana Debellis
- Electron Microscopy Facility , Istituto Italiano di Tecnologia , Via Morego 30 , 16163 Genova , Italy
| | - Teresa Sibillano
- Institute of Crystallography, National Research Council (IC-CNR) , Via Amendola 122/O , 70126 Bari , Italy
| | - Rosaria Brescia
- Electron Microscopy Facility , Istituto Italiano di Tecnologia , Via Morego 30 , 16163 Genova , Italy
| | - Cinzia Giannini
- Institute of Crystallography, National Research Council (IC-CNR) , Via Amendola 122/O , 70126 Bari , Italy
| | - Vicente Montiel
- Institute of Electrochemistry , University of Alicante , Apdo. 99 , E-03080 Alicante , Spain
| | - Juan M Feliu
- Institute of Electrochemistry , University of Alicante , Apdo. 99 , E-03080 Alicante , Spain
| | - Pier Paolo Pompa
- Nanobiointeractions & Nanodiagnostics, Center for Bio-Molecular Nanotechnologies , Istituto Italiano di Tecnologia , Via Barsanti , 73010 Arnesano , Lecce , Italy
- Nanobiointeractions & Nanodiagnostics , Istituto Italiano di Tecnologia (IIT) , Via Morego, 30 , 16163 Genova , Italy
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56
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Ma L, Zhou L, He Y, Wang L, Huang Z, Jiang Y, Gao J. Hierarchical nanocomposites with an N-doped carbon shell and bimetal core: Novel enzyme nanocarriers for electrochemical pesticide detection. Biosens Bioelectron 2018; 121:166-173. [DOI: 10.1016/j.bios.2018.08.038] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2018] [Revised: 07/19/2018] [Accepted: 08/16/2018] [Indexed: 12/28/2022]
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57
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Yazdan-Abad MZ, Noroozifar M, Alfi N. Investigation on the electrocatalytic activity and stability of three-dimensional and two-dimensional palladium nanostructures for ethanol and formic acid oxidation. J Colloid Interface Sci 2018; 532:485-490. [DOI: 10.1016/j.jcis.2018.08.003] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2018] [Revised: 07/29/2018] [Accepted: 08/03/2018] [Indexed: 10/28/2022]
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58
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Nanoparticles capture on cellulose nanofiber depth filters. Carbohydr Polym 2018; 201:482-489. [DOI: 10.1016/j.carbpol.2018.07.068] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2018] [Revised: 07/18/2018] [Accepted: 07/24/2018] [Indexed: 11/20/2022]
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59
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Zhong S, Xu Q. Metal Nanoparticle-Catalyzed Hydrogen Generation from Liquid Chemical Hydrides. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 2018. [DOI: 10.1246/bcsj.20180227] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Shan Zhong
- Research Institute of Electrochemical Energy, National Institute of Advanced Industrial Science and Technology (AIST), Ikeda, Osaka 563-8577, Japan
- Graduate School of Engineering, Kobe University, Kobe, Hyogo 657-8501, Japan
| | - Qiang Xu
- Research Institute of Electrochemical Energy, National Institute of Advanced Industrial Science and Technology (AIST), Ikeda, Osaka 563-8577, Japan
- Graduate School of Engineering, Kobe University, Kobe, Hyogo 657-8501, Japan
- AIST-Kyoto University Chemical Energy Materials Open Innovation Laboratory (ChEM-OIL), Kyoto 606-8501, Japan
- School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou 225009, P. R. China
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60
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Kang Y, Jiang B, Alothman ZA, Badjah AY, Naushad M, Habila M, Wabaidur S, Henzie J, Li H, Yamauchi Y. Mesoporous PtCu Alloy Nanoparticles with Tunable Compositions and Particles Sizes Using Diblock Copolymer Micelle Templates. Chemistry 2018; 25:343-348. [DOI: 10.1002/chem.201804305] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2018] [Revised: 09/18/2018] [Indexed: 11/06/2022]
Affiliation(s)
- Yunqing Kang
- The Education Ministry Key Lab of Resource Chemistry and Shanghai Key Laboratory of Rare Earth Functional MaterialsShanghai Normal University Shanghai 200234 P.R. China
| | - Bo Jiang
- International Center for Materials Nanoarchitectonics (WPI-MANA)National Institute for Materials Science (NIMS) 1-1 Namiki Tsukuba Ibaraki 305-0044 Japan
| | - Zeid A. Alothman
- Advanced Material Research ChairChemistry DepartmentCollege of ScienceKing Saud University, P.O. Box 2455 Riyadh 11451 Saudi Arabia
| | - Ahmad Yacine Badjah
- Advanced Material Research ChairChemistry DepartmentCollege of ScienceKing Saud University, P.O. Box 2455 Riyadh 11451 Saudi Arabia
| | - Mu Naushad
- Advanced Material Research ChairChemistry DepartmentCollege of ScienceKing Saud University, P.O. Box 2455 Riyadh 11451 Saudi Arabia
| | - Mohamed Habila
- Advanced Material Research ChairChemistry DepartmentCollege of ScienceKing Saud University, P.O. Box 2455 Riyadh 11451 Saudi Arabia
| | - Saikh Wabaidur
- Advanced Material Research ChairChemistry DepartmentCollege of ScienceKing Saud University, P.O. Box 2455 Riyadh 11451 Saudi Arabia
| | - Joel Henzie
- International Center for Materials Nanoarchitectonics (WPI-MANA)National Institute for Materials Science (NIMS) 1-1 Namiki Tsukuba Ibaraki 305-0044 Japan
| | - Hexing Li
- The Education Ministry Key Lab of Resource Chemistry and Shanghai Key Laboratory of Rare Earth Functional MaterialsShanghai Normal University Shanghai 200234 P.R. China
| | - Yusuke Yamauchi
- School of Chemical Engineering and Australian Institute for, Bioengineering and Nanotechnology (AIBN)The University of Queensland Brisbane QLD 4072 Australia
- Department of Plant & Environmental New ResourcesKyung Hee University 1732 Deogyeong-daero, Giheung-gu Yongin-si Gyeonggi-do 446-701 South Korea
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61
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Luo F, Zhang Q, Yang Z, Guo L, Yu X, Qu K, Ling Y, Yang J, Cai W. Fabrication of Stable and Well‐connected Proton Path in Catalyst Layer for High Temperature Polymer Electrolyte Fuel Cells. ChemCatChem 2018. [DOI: 10.1002/cctc.201801256] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Fang Luo
- Sustainable Energy Laboratory, Faculty of Materials Science and Chemistry China University of Geosciences Wuhan Wuhan 430074 P. R. China
| | - Quan Zhang
- Sustainable Energy Laboratory, Faculty of Materials Science and Chemistry China University of Geosciences Wuhan Wuhan 430074 P. R. China
| | - Zehui Yang
- Sustainable Energy Laboratory, Faculty of Materials Science and Chemistry China University of Geosciences Wuhan Wuhan 430074 P. R. China
| | - Long Guo
- Sustainable Energy Laboratory, Faculty of Materials Science and Chemistry China University of Geosciences Wuhan Wuhan 430074 P. R. China
| | - Xinxin Yu
- Sustainable Energy Laboratory, Faculty of Materials Science and Chemistry China University of Geosciences Wuhan Wuhan 430074 P. R. China
| | - Konggang Qu
- School of Chemistry and Chemical Engineering Liaocheng University Liaocheng 252059 P. R. China
| | - Ying Ling
- Sustainable Energy Laboratory, Faculty of Materials Science and Chemistry China University of Geosciences Wuhan Wuhan 430074 P. R. China
| | - Jun Yang
- Ningbo Institute of Material Technology and Engineering Chinese Academy of Sciences Ningbo 315201 P. R. China
| | - Weiwei Cai
- Sustainable Energy Laboratory, Faculty of Materials Science and Chemistry China University of Geosciences Wuhan Wuhan 430074 P. R. China
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Mahesh I, Sarkar A. Scale-Up Process of Core@Shell Monolayer Catalyst without Active Potential Control through Electroless Underpotential Deposition Galvanic Replacement. ChemistrySelect 2018. [DOI: 10.1002/slct.201801616] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Ijjada Mahesh
- Department of Chemical Engineering; Indian Institute of Technology Bombay, Powai, Mumbai; India 400076
| | - A. Sarkar
- Department of Chemical Engineering; Indian Institute of Technology Bombay, Powai, Mumbai; India 400076
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63
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Lv H, Lopes A, Xu D, Liu B. Multimetallic Hollow Mesoporous Nanospheres with Synergistically Structural and Compositional Effects for Highly Efficient Ethanol Electrooxidation. ACS CENTRAL SCIENCE 2018; 4:1412-1419. [PMID: 30410979 PMCID: PMC6202636 DOI: 10.1021/acscentsci.8b00490] [Citation(s) in RCA: 65] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/24/2018] [Indexed: 05/19/2023]
Abstract
Controlling the nanostructures and chemical compositions of the electrochemical nanocatalysts has been recognized as two prominent means to kinetically promote the electrocatalytic performance. Herein, we report a general "dual"-template synthesis methodology for the formation of multimetallic hollow mesoporous nanospheres (HMSs) with an adjustable interior hollow cavity and cylindrically opened mesoporous shell as a highly efficient electrocatalyst for ethanol oxidation reaction. Three-dimensional trimetallic PdAgCu HMSs were synthesized via in situ coreduction of Pd, Ag, and Cu precursors on "dual"-template structural directing surfactant of dioctadecyldimethylammonium chloride in optimal synthesis conditions. Due to synergistic advantages on hollow mesoporous nanostructures and multimetallic compositions, the resultant PdAgCu HMSs exhibited significantly enhanced electrocatalytic performance toward ethanol oxidation reaction with a mass activity of 5.13 A mgPd -1 at a scan rate of 50 mV s-1 and operation stability (retained 1.09 A mgpd -1 after the electrocatalysis). The "dual"-template route will open a new avenue to rationally design multimetallic HMSs with controlled functions for broad applications.
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Affiliation(s)
- Hao Lv
- Jiangsu
Key Laboratory of New Power Batteries, Jiangsu Collaborative Innovation
Center of Biomedical Functional Materials, School of Chemistry and
Materials Science, Nanjing Normal University, Nanjing 210023, China
| | - Aaron Lopes
- Department
of Chemical Engineering, Massachusetts Institute
of Technology, Cambridge, Massachusetts 02139, United States
| | - Dongdong Xu
- Jiangsu
Key Laboratory of New Power Batteries, Jiangsu Collaborative Innovation
Center of Biomedical Functional Materials, School of Chemistry and
Materials Science, Nanjing Normal University, Nanjing 210023, China
- (D.X.) E-mail:
| | - Ben Liu
- Jiangsu
Key Laboratory of New Power Batteries, Jiangsu Collaborative Innovation
Center of Biomedical Functional Materials, School of Chemistry and
Materials Science, Nanjing Normal University, Nanjing 210023, China
- (B.L.) E-mail:
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64
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Micelle-Assisted Strategy for the Direct Synthesis of Large-Sized Mesoporous Platinum Catalysts by Vapor Infiltration of a Reducing Agent. NANOMATERIALS 2018; 8:nano8100841. [PMID: 30332819 PMCID: PMC6215267 DOI: 10.3390/nano8100841] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/28/2018] [Revised: 10/08/2018] [Accepted: 10/09/2018] [Indexed: 11/16/2022]
Abstract
Stable polymeric micelles have been demonstrated to serve as suitable templates for creating mesoporous metals. Herein, we report the utilization of a core-shell-corona type triblock copolymer of poly(styrene-b-2-vinylpyridine-b-ethylene oxide) and H₂PtCl₆·H₂O to synthesize large-sized mesoporous Pt particles. After formation of micelles with metal ions, the reduction process has been carried out by vapor infiltration of a reducing agent, 4-(Dimethylamino)benzaldehyde. Following the removal of the pore-directing agent under the optimized temperature, mesoporous Pt particles with an average pore size of 15 nm and surface area of 12.6 m²·g-1 are achieved. More importantly, the resulting mesoporous Pt particles exhibit superior electrocatalytic activity compared to commercially available Pt black.
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65
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Kuang W, Jiang Z, Li H, Zhang J, Zhou L, Li Y. Self‐Supported Composition‐Tunable Au/PtPd Core/Shell Tri‐Metallic Nanowires for Boosting Alcohol Electrooxidation and Suzuki Coupling. ChemElectroChem 2018. [DOI: 10.1002/celc.201801255] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Wen‐Tao Kuang
- College of Chemistry and Chemical EngineeringHunan University Changsha 410082, Hunan Province China
| | - Ze‐Li Jiang
- College of Chemistry and Chemical EngineeringHunan University Changsha 410082, Hunan Province China
| | - Hui Li
- College of Chemistry and Chemical EngineeringHunan University Changsha 410082, Hunan Province China
| | - Jing‐Xuan Zhang
- College of Chemistry and Chemical EngineeringHunan University Changsha 410082, Hunan Province China
| | - Lin‐Nan Zhou
- College of Chemistry and Chemical EngineeringHunan University Changsha 410082, Hunan Province China
| | - Yong‐Jun Li
- College of Chemistry and Chemical EngineeringHunan University Changsha 410082, Hunan Province China
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Zhao X, Qi T, Kong C, Hao M, Wang Y, Li J, Liu B, Gao Y, Jiang J. Photothermal exposure of polydopamine-coated branched Au-Ag nanoparticles induces cell cycle arrest, apoptosis, and autophagy in human bladder cancer cells. Int J Nanomedicine 2018; 13:6413-6428. [PMID: 30410328 PMCID: PMC6199236 DOI: 10.2147/ijn.s174349] [Citation(s) in RCA: 52] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
Purpose Polydopamine-coated branched Au–Ag nanoparticles (Au–Ag@PDA NPs) exhibit good structural stability, biocompatibility, and photothermal performance, along with potential anticancer efficacy. Here, we investigated the cytotoxicity of Au–Ag@PDA NPs against human bladder cancer cells (T24 cells) in vitro and in vivo, as well as the underlying molecular mechanisms of photothermal therapy-induced T24 cell death. Materials and methods T24 cells were treated with different doses of Au–Ag@PDA NPs followed by 808 nm laser irradiation, and the effects on cell proliferation, cell cycle, apoptosis, and autophagy were analyzed. To confirm the mechanisms of inhibition, real-time PCR and Western blot analysis were used to evaluate markers of cell cycle, apoptosis, autophagy, and the AKT/ERK signaling pathway. Moreover, we evaluated the effects of the treatment on mitochondrial membrane potential and ROS generation to confirm the underlying mechanisms of inhibition. Finally, we tested the T24 tumor inhibitory effects of Au–Ag@PDA NPs plus laser irradiation in vivo using a xenograft mouse model. Results Au–Ag@PDA NPs, with appropriate laser irradiation, dramatically inhibited the proliferation of T24 cells, altered the cell cycle distribution by increasing the proportion of cells in the S phase, induced cell apoptosis by activating the mitochondria-mediated intrinsic pathway, and triggered a robust autophagy response in T24 cells. Moreover, Au–Ag@PDA NPs decreased the expression of phosphorylated AKT and ERK and promoted the production of ROS that function upstream of apoptosis and autophagy. In addition, Au–Ag@PDA NP-mediated photothermolysis also significantly suppressed tumor growth in vivo. Conclusion This preclinical study can provide a mechanistic basis for Au–Ag@PDA NP-mediated photothermal therapy toward promotion of this method in the clinical treatment of bladder cancer.
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Affiliation(s)
- Xiaoming Zhao
- Scientific Research Center, China-Japan Union Hospital of Jilin University, Changchun, China,
| | - Tianyang Qi
- Scientific Research Center, China-Japan Union Hospital of Jilin University, Changchun, China,
| | - Chenfei Kong
- Scientific Research Center, China-Japan Union Hospital of Jilin University, Changchun, China,
| | - Miao Hao
- Scientific Research Center, China-Japan Union Hospital of Jilin University, Changchun, China,
| | - Yuqian Wang
- Scientific Research Center, China-Japan Union Hospital of Jilin University, Changchun, China,
| | - Jing Li
- Scientific Research Center, China-Japan Union Hospital of Jilin University, Changchun, China,
| | - Baocai Liu
- Department of Radiation Oncology, China-Japan Union Hospital of Jilin University, Changchun, China
| | - Yiyao Gao
- Scientific Research Center, China-Japan Union Hospital of Jilin University, Changchun, China,
| | - Jinlan Jiang
- Scientific Research Center, China-Japan Union Hospital of Jilin University, Changchun, China,
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67
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Hu C, Liu J, Wang J, She W, Xiao J, Xi J, Bai Z, Wang S. Coordination-Assisted Polymerization of Mesoporous Cobalt Sulfide/Heteroatom (N,S)-Doped Double-Layered Carbon Tubes as an Efficient Bifunctional Oxygen Electrocatalyst. ACS APPLIED MATERIALS & INTERFACES 2018; 10:33124-33134. [PMID: 30199229 DOI: 10.1021/acsami.8b07343] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
It is a critical challenge to construct efficient precious-metal-free bifunctional oxygen electrocatalysts for fuel cell and metal-air batteries via structural and component engineering. Herein, a one-dimensional mesoporous double-layered tubular structure, where Co9S8 nanocrystals are incorporated into nitrogen, sulfur codoped carbon, is successfully synthesized via the coordinated-assisted polymerization and sacrificial template methods. The double-layered tubular structure provides for a large electrochemically active surface area and promotes fast mass transfer. Cobalt oxides/oxyhydroxides, which are evolved from the sulfides during the catalytic processes, as the main active sites efficiently catalyze the oxygen reduction reaction (ORR) and oxygen evolution reaction (OER), in cooperation with the Co-N-C and heteroatom-induced active sites. Hence, it demonstrates excellent bifunctional electrocatalytic activity with the overvoltage between the OER potential at 10 mA cm-2 ( E10) and ORR half-wave potential ( E1/2) of 0.707 V, which is superior to most of precious-metal-free bifunctional oxygen electrocatalysts reported recently, as well as the state-of-art Pt/C and RuO2 catalysts.
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Affiliation(s)
- Chencheng Hu
- Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, Hubei Key Laboratory of Material Chemistry and Service Failure, Department of Chemistry and Chemical Engineering , Huazhong University of Science & Technology , Wuhan 430074 , PR China
| | - Jin Liu
- School of Chemistry and Environmental Engineering , Wuhan Institute of Technology , Wuhan 430205 , PR China
| | - Juan Wang
- Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, Hubei Key Laboratory of Material Chemistry and Service Failure, Department of Chemistry and Chemical Engineering , Huazhong University of Science & Technology , Wuhan 430074 , PR China
| | - Wanxin She
- Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, Hubei Key Laboratory of Material Chemistry and Service Failure, Department of Chemistry and Chemical Engineering , Huazhong University of Science & Technology , Wuhan 430074 , PR China
| | - Junwu Xiao
- Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, Hubei Key Laboratory of Material Chemistry and Service Failure, Department of Chemistry and Chemical Engineering , Huazhong University of Science & Technology , Wuhan 430074 , PR China
| | - Jiangbo Xi
- School of Chemistry and Environmental Engineering , Wuhan Institute of Technology , Wuhan 430205 , PR China
| | - Zhengwu Bai
- School of Chemistry and Environmental Engineering , Wuhan Institute of Technology , Wuhan 430205 , PR China
| | - Shuai Wang
- Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, Hubei Key Laboratory of Material Chemistry and Service Failure, Department of Chemistry and Chemical Engineering , Huazhong University of Science & Technology , Wuhan 430074 , PR China
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68
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A surfactant-free method to prepare PdxAuy bimetallic nanospheres and their application in catalysis. INORG CHEM COMMUN 2018. [DOI: 10.1016/j.inoche.2018.08.019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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69
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Şen B, Demirkan B, Savk A, Kartop R, Nas MS, Alma MH, Sürdem S, Şen F. High-performance graphite-supported ruthenium nanocatalyst for hydrogen evolution reaction. J Mol Liq 2018. [DOI: 10.1016/j.molliq.2018.07.117] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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70
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Kani K, Zakaria MB, Lin J, Alshehri AA, Kim J, Bando Y, You J, Hossain MSA, Bo J, Yamauchi Y. Synthesis and Characterization of Dendritic Pt Nanoparticles by Using Cationic Surfactant. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 2018. [DOI: 10.1246/bcsj.20180129] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Kenya Kani
- College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao 266042, P. R. China
- International Center for Materials Nanoarchitectonics (WPI-MANA), National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan
- School of Chemical Engineering, School of Mechanical and Mining Engineering, and Australian Institute for Bioengineering and Nanotechnology (AIBN), The University of Queensland, Brisbane, QLD 4072, Australia
| | - Mohamed B. Zakaria
- College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao 266042, P. R. China
- International Center for Materials Nanoarchitectonics (WPI-MANA), National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan
- Department of Chemistry, Faculty of Science, Tanta University, Tanta (31527), Egypt
| | - Jianjian Lin
- College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao 266042, P. R. China
| | | | - Jeonghun Kim
- School of Chemical Engineering, School of Mechanical and Mining Engineering, and Australian Institute for Bioengineering and Nanotechnology (AIBN), The University of Queensland, Brisbane, QLD 4072, Australia
| | - Yoshio Bando
- International Center for Materials Nanoarchitectonics (WPI-MANA), National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan
- Australian Institute of Innovative Materials (AIIM), University of Wollongong, North Wollongong, NSW 2500, Australia
| | - Jungmok You
- Department of Plant & Environmental New Resources, Kyung Hee University, 1732 Deogyeong-daero, Giheung-gu, Yongin-si, Gyeonggi-do 446-701, South Korea
| | - Md Shahriar A. Hossain
- School of Chemical Engineering, School of Mechanical and Mining Engineering, and Australian Institute for Bioengineering and Nanotechnology (AIBN), The University of Queensland, Brisbane, QLD 4072, Australia
| | - Jiang Bo
- International Center for Materials Nanoarchitectonics (WPI-MANA), National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan
| | - Yusuke Yamauchi
- College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao 266042, P. R. China
- School of Chemical Engineering, School of Mechanical and Mining Engineering, and Australian Institute for Bioengineering and Nanotechnology (AIBN), The University of Queensland, Brisbane, QLD 4072, Australia
- Department of Plant & Environmental New Resources, Kyung Hee University, 1732 Deogyeong-daero, Giheung-gu, Yongin-si, Gyeonggi-do 446-701, South Korea
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71
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Fang C, Zhao J, Jiang R, Wang J, Zhao G, Geng B. Engineering of Hollow PdPt Nanocrystals via Reduction Kinetic Control for Their Superior Electrocatalytic Performances. ACS APPLIED MATERIALS & INTERFACES 2018; 10:29543-29551. [PMID: 30101581 DOI: 10.1021/acsami.8b08657] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Synthesis of hollow metal nanocrystals (NCs) is greatly attractive for their high active surface areas, which gives rise to excellent catalytic activity. Taking PdPt alloy nanostructure as an example, we designed a synthetic tactic for the preparation of hollow metal nanostructures by delicate control over the difference in the reduction kinetic of metal precursors. At a high reduction rate difference, the Pd layer forms from H2PdCl4 and is subsequently etched, leading to the formation of a hollow space. A solid PdPt structure is achieved when the reduction rate of Pd and Pt precursor is comparable. Obviously, the hollow space and composition are tunable as well by adjusting the reduction rate difference. More importantly, the prepared hollow PdPt nanostructures exhibit a branched outer, porous wall, and rough hollow interior. The branched outer and rough hollow interior provide the higher density of unsaturated atoms, whereas the porous wall serves as channels connecting the inner, outer, and reactive agents. Moreover, the periodic self-consistent density function theory suggests that the d-band theory density of state of the PdPt nanoalloys is upshifted in comparison to the monometallic component, which will beneficial for improvement in their catalytic performances. Electrocatalytic tests reveal that the PdPt bimetallic NCs, especially for Pt32Pd68 nanostructures, show excellent catalytic activity and stability toward methanol oxidation reaction owing to their special structures as well as compositions.
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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
| | - Jun 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
| | - Ruibin Jiang
- Key Laboratory of Applied Surface and Colloid Chemistry, National Ministry of Education, Shaanxi Key Laboratory for Advanced Energy Devices, Shaanxi Engineering Lab for Advanced Energy Technology, School of Materials Science and Engineering , Shaanxi Normal University , Xi'an 710119 , China
| | - Jing Wang
- Key Laboratory of Applied Surface and Colloid Chemistry, National Ministry of Education, Shaanxi Key Laboratory for Advanced Energy Devices, Shaanxi Engineering Lab for Advanced Energy Technology, School of Materials Science and Engineering , Shaanxi Normal University , Xi'an 710119 , 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 , 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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72
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El Rouby WM, Farghali AA. Titania morphologies modified gold nanoparticles for highly catalytic photoelectrochemical water splitting. J Photochem Photobiol A Chem 2018. [DOI: 10.1016/j.jphotochem.2018.07.011] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
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73
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Wang H, Yu H, Yin S, Li Y, Xue H, Li X, Xu Y, Wang L. One-step fabrication of bimetallic PtNi mesoporous nanospheres as an efficient catalyst for the oxygen reduction reaction. NANOSCALE 2018; 10:16087-16093. [PMID: 30109334 DOI: 10.1039/c8nr04526g] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
The controlled synthesis of Pt-based bimetallic porous nanostructures is highly important for the design of electrocatalysts with high performance. Herein, we report a one-step method for the direct synthesis of well-dispersed bimetallic PtNi mesoporous nanospheres (PtNi MNs) at high yield. Benefitting from the synergistic effect of composition (bimetallic PtNi) and structure (mesoporous and highly open structure), the as-obtained PtNi MNs exhibit superior catalytic activity and stability for the oxygen reduction reaction.
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Affiliation(s)
- Hongjing Wang
- State Key Laboratory Breeding Base of Green-Chemical Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou, Zhejiang 310014, P.R. China.
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74
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Li X, Odoom-Wubah T, Huang J. Biosynthesis of Ag-Pd bimetallic alloy nanoparticles through hydrolysis of cellulose triggered by silver sulfate. RSC Adv 2018; 8:30340-30345. [PMID: 35546831 PMCID: PMC9085383 DOI: 10.1039/c8ra04301a] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2018] [Accepted: 08/13/2018] [Indexed: 01/11/2023] Open
Abstract
We report a simple but efficient biological route based on the hydrolysis of cellulose to synthesize Ag-Pd alloy nanoparticles (NPs) under hydrothermal conditions. X-ray powder diffraction, ultraviolet-visible spectroscopy and scanning transmission electron microscopy-energy dispersive X-ray analyses were used to study and demonstrate the alloy nature. The microscopy results showed that well-defined Ag-Pd alloy NPs of about 59.7 nm in size can be biosynthesized at 200 °C for 10 h. Fourier transform infrared spectroscopy indicated that, triggered by silver sulfate, cellulose was hydrolyzed into saccharides or aldehydes, which served as both reductants and stabilizers, and accounted for the formation of the well-defined Ag-Pd NPs. Moreover, the as-synthesized Ag-Pd nanoalloy showed high activity in the catalytic reduction of 4-nitrophenol by NaBH4.
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Affiliation(s)
- Xianxue Li
- College of Environmental and Biological Engineering, Fujian Provincial Key Laboratory of Ecology-Toxicological Effects & Control for Emerging Contaminants, Putian University Putian Fujian 351100 P. R. China
| | - Tareque Odoom-Wubah
- Department of Chemical and Biochemical Engineering, College of Chemistry and Chemical Engineering, Xiamen University Xiamen 361005 P. R. China +86-592-2184822 +86-592-2183088
| | - Jiale Huang
- Department of Chemical and Biochemical Engineering, College of Chemistry and Chemical Engineering, Xiamen University Xiamen 361005 P. R. China +86-592-2184822 +86-592-2183088
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75
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Zhang Q, Yang Z, Yang J, Yu X, Ling Y, Zhang Y, Cai W, Cheng H. Carbon nitride simultaneously boosted a PtRu electrocatalyst's stability and electrocatalytic activity toward concentrated methanol. Chem Commun (Camb) 2018; 54:9282-9285. [PMID: 29896585 DOI: 10.1039/c8cc03752c] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Ruthenium dissolution is an inevitable issue for an anodic electrocatalyst in direct methanol fuel cells (DMFCs). Carbon nitride (C3N4) decoration derived from the carbonization of melamine simultaneously promoted a PtRu electrocatalyst's stability and electrocatalytic activity toward concentrated methanol ascribed to the additional active sites from C3N4.
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Affiliation(s)
- Quan Zhang
- Sustainable Energy Laboratory, Faculty of Materials Science and Chemistry, China University of Geosciences Wuhan, China.
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76
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Dislaki E, Robbennolt S, Campoy‐Quiles M, Nogués J, Pellicer E, Sort J. Coercivity Modulation in Fe-Cu Pseudo-Ordered Porous Thin Films Controlled by an Applied Voltage: A Sustainable, Energy-Efficient Approach to Magnetoelectrically Driven Materials. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2018; 5:1800499. [PMID: 30128259 PMCID: PMC6096991 DOI: 10.1002/advs.201800499] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/02/2018] [Revised: 05/17/2018] [Indexed: 06/08/2023]
Abstract
Fe-Cu films with pseudo-ordered, hierarchical porosity are prepared by a simple, two-step procedure that combines colloidal templating (using sub-micrometer-sized polystyrene spheres) with electrodeposition. The porosity degree of these films, estimated by ellipsometry measurements, is as high as 65%. The resulting magnetic properties can be controlled at room temperature using an applied electric field generated through an electric double layer in an anhydrous electrolyte. This material shows a remarkable 25% voltage-driven coercivity reduction upon application of negative voltages, with excellent reversibility when a positive voltage is applied, and a short recovery time. The pronounced reduction of coercivity is mainly ascribed to electrostatic charge accumulation at the surface of the porous alloy, which occurs over a large fraction of the electrodeposited material due to its high surface-area-to-volume ratio. The emergence of a hierarchical porosity is found to be crucial because it promotes the infiltration of the electrolyte into the structure of the film. The observed effects make this material a promising candidate to boost energy efficiency in magnetoelectrically actuated devices.
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Affiliation(s)
- Evangelia Dislaki
- Departament de FísicaUniversitat Autònoma de Barcelona (UAB)E‐08193BellaterraSpain
| | - Shauna Robbennolt
- Departament de FísicaUniversitat Autònoma de Barcelona (UAB)E‐08193BellaterraSpain
| | - Mariano Campoy‐Quiles
- Institut de Ciència de Materials de Barcelona (ICMAB‐CSIC)Campus UABE‐08193BellaterraSpain
| | - Josep Nogués
- Catalan Institute of Nanoscience and Nanotechnology (ICN2)CSIC and the BISTCampus UABE‐08193BellaterraSpain
- Institució Catalana de Recerca i Estudis Avançats (ICREA)Passeig Lluís Companys 23E‐08010BarcelonaSpain
| | - Eva Pellicer
- Departament de FísicaUniversitat Autònoma de Barcelona (UAB)E‐08193BellaterraSpain
| | - Jordi Sort
- Departament de FísicaUniversitat Autònoma de Barcelona (UAB)E‐08193BellaterraSpain
- Institució Catalana de Recerca i Estudis Avançats (ICREA)Passeig Lluís Companys 23E‐08010BarcelonaSpain
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77
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Synthesis and characterization of bimetallic nanocomposite and its photocatalytic, antifungal and antibacterial activity. Sep Purif Technol 2018. [DOI: 10.1016/j.seppur.2018.04.015] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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78
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Li C, Wang H, Li Y, Yu H, Yin S, Xue H, Li X, Xu Y, Wang L. Tri-metallic PtPdAu mesoporous nanoelectrocatalysts. NANOTECHNOLOGY 2018; 29:255404. [PMID: 29611816 DOI: 10.1088/1361-6528/aabb47] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
The design of mesoporous materials with multi-metallic compositions is highly important for various electrocatalytic applications. In this paper, we demonstrate an efficient method to directly fabricate tri-metallic PtPdAu mesoporous nanoparticles (PtPdAu MNs) in a high yield, which is simply performed by heating treatment of the reaction mixture aqueous solution at 40 °C for 4 h. Profiting from its mesoporous structure and multi-metallic components, the as-prepared PtPdAu MNs exhibit enhanced electrocatalytic activities toward both methanol oxidation reaction and oxygen reduction reaction in comparison with bi-metallic PtPd MNs and commercial Pt/C catalyst.
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79
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Kang YQ, Xue Q, Zhao Y, Li XF, Jin PJ, Chen Y. Selective Etching Induced Synthesis of Hollow Rh Nanospheres Electrocatalyst for Alcohol Oxidation Reactions. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2018; 14:e1801239. [PMID: 29882268 DOI: 10.1002/smll.201801239] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/30/2018] [Revised: 04/30/2018] [Indexed: 06/08/2023]
Abstract
The hollow noble metal nanostructures have attracted wide attention in catalysis/electrocatalysis. Here a two-step procedure for constructing hollow Rh nanospheres (Rh H-NSs) with clean surface is described. By selectively removing the surfactant and Au core of Au-core@Rh-shell nanostructures (Au@Rh NSs), the surface-cleaned Rh H-NSs are obtained, which contain abundant porous channels and large specific surface area. The as-prepared Rh H-NSs exhibit enhanced inherent activity for the methanol oxidation reaction (MOR) compared to state-of-the-art Pt nanoparticles in alkaline media. Further electrochemical experiments show that Rh H-NSs also have high activity for the electrooxidation of formaldehyde and formate (intermediate species in the course of the MOR) in alkaline media. Unfortunately, Rh H-NSs have low electrocatalytic activity for the ethanol and 1-propanol oxidation reactions in alkaline media. All electrochemical results indicate that the order of electrocatalytic activity of Rh H-NSs for alcohol oxidation reaction is methanol (C1 ) > ethanol (C2 ) > 1-propanol (C3 ). This work highlights the synthesis route of Rh hollow nanostructures, and indicates the promising application of Rh nanostructures in alkaline direct methanol fuel cells.
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Affiliation(s)
- Yong-Qiang Kang
- Key Laboratory of Macromolecular Science of Shaanxi Province, Key Laboratory of Applied Surface and Colloid Chemistry (Ministry of Education), Shaanxi Engineering Lab for Advanced Energy Technology, School of Materials Science and Engineering, Shaanxi Normal University, West Chang'an Avenue, Chang'an District, Xi'an, 710119, P. R. China
| | - Qi Xue
- Key Laboratory of Macromolecular Science of Shaanxi Province, Key Laboratory of Applied Surface and Colloid Chemistry (Ministry of Education), Shaanxi Engineering Lab for Advanced Energy Technology, School of Materials Science and Engineering, Shaanxi Normal University, West Chang'an Avenue, Chang'an District, Xi'an, 710119, P. R. China
| | - Yue Zhao
- Key Laboratory of Macromolecular Science of Shaanxi Province, Key Laboratory of Applied Surface and Colloid Chemistry (Ministry of Education), Shaanxi Engineering Lab for Advanced Energy Technology, School of Materials Science and Engineering, Shaanxi Normal University, West Chang'an Avenue, Chang'an District, Xi'an, 710119, P. R. China
| | - Xi-Fei Li
- Institute of Advanced Electrochemical Energy, Xi'an University of Technology, Xi'an, 710048, China
| | - Pu-Jun Jin
- Key Laboratory of Macromolecular Science of Shaanxi Province, Key Laboratory of Applied Surface and Colloid Chemistry (Ministry of Education), Shaanxi Engineering Lab for Advanced Energy Technology, School of Materials Science and Engineering, Shaanxi Normal University, West Chang'an Avenue, Chang'an District, Xi'an, 710119, P. R. China
| | - Yu Chen
- Key Laboratory of Macromolecular Science of Shaanxi Province, Key Laboratory of Applied Surface and Colloid Chemistry (Ministry of Education), Shaanxi Engineering Lab for Advanced Energy Technology, School of Materials Science and Engineering, Shaanxi Normal University, West Chang'an Avenue, Chang'an District, Xi'an, 710119, P. R. China
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80
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Zhu H, Chen M, Li K, Huang X, Wang F. Composite Electrocatalyst Derived from Hybrid Nitrogen-Containing Metal Organic Frameworks and g-C3
N4
Encapsulated In Situ into Porous Carbon Aerogels. ChemElectroChem 2018. [DOI: 10.1002/celc.201800479] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Hong Zhu
- State Key Laboratory of Chemical Resource Engineering Institute of Modern Catalysis Department of Organic Chemistry School of Science; Beijing University of Chemical Technology; Beijing 100029 P.R. China
| | - Minglin Chen
- State Key Laboratory of Chemical Resource Engineering Institute of Modern Catalysis Department of Organic Chemistry School of Science; Beijing University of Chemical Technology; Beijing 100029 P.R. China
| | - Ke Li
- State Key Laboratory of Chemical Resource Engineering Institute of Modern Catalysis Department of Organic Chemistry School of Science; Beijing University of Chemical Technology; Beijing 100029 P.R. China
| | - Xidai Huang
- State Key Laboratory of Chemical Resource Engineering Institute of Modern Catalysis Department of Organic Chemistry School of Science; Beijing University of Chemical Technology; Beijing 100029 P.R. China
| | - Fanghui Wang
- State Key Laboratory of Chemical Resource Engineering Institute of Modern Catalysis Department of Organic Chemistry School of Science; Beijing University of Chemical Technology; Beijing 100029 P.R. China
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81
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Razmjooei F, Pak C, Yu JS. Phase Diversity of Nickel Phosphides in Oxygen Reduction Catalysis. ChemElectroChem 2018. [DOI: 10.1002/celc.201800232] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Fatemeh Razmjooei
- Department of Energy Science & Engineering; Daegu Gyeongbuk Institute of Science and Technology (DGIST); Daegu 42988, Republic of Korea
| | - Chanho Pak
- Graduate Program of Energy Technology School of Integrated Technology; Gwangju Institute of Science and Technology (GIST); Gwangju 61005 Republic of Korea
| | - Jong-Sung Yu
- Department of Energy Science & Engineering; Daegu Gyeongbuk Institute of Science and Technology (DGIST); Daegu 42988, Republic of Korea
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82
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Ataee-Esfahani H, Koczkur KM, Weiner RG, Skrabalak SE. Overgrowth Versus Galvanic Replacement: Mechanistic Roles of Pd Seeds during the Deposition of Pd-Pt. ACS OMEGA 2018; 3:3952-3956. [PMID: 31458632 PMCID: PMC6641295 DOI: 10.1021/acsomega.8b00394] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/04/2018] [Accepted: 03/27/2018] [Indexed: 06/09/2023]
Abstract
Here, a systematic study of the roles played by Pd seeds during seed-mediated coreduction of Pd-Pt is presented. Either nanoparticles with porous, hollow architectures or concave nanocubes were achieved, depending on whether the synthesis conditions favored galvanic replacement or overgrowth. Prior works have shown that the galvanic replacement reaction between seeds and a precursor can be suppressed by introducing a faster, parallel reaction that removes one of the reagents (e.g., adatom generation in solution rather than surface-catalyzed precursor reduction). Here, we show that the galvanic replacement reaction depends on the size and concentration of the Pd seeds; the former of which can be manipulated during the course of the reaction through the use of a secondary reducing agent. This insight will guide future syntheses of multimetallic nanostructures by seeded methods, allowing for a range of nanocrystals to be precisely engineered for a variety of applications.
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83
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Wang H, Yu H, Li Y, Yin S, Xue H, Li X, Xu Y, Wang L. Direct synthesis of bimetallic PtCo mesoporous nanospheres as efficient bifunctional electrocatalysts for both oxygen reduction reaction and methanol oxidation reaction. NANOTECHNOLOGY 2018; 29:175403. [PMID: 29443007 DOI: 10.1088/1361-6528/aaaf3f] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
The engineering of electrocatalysts with high performance for cathodic and/or anodic catalytic reactions is of great urgency for the development of direct methanol fuel cells. Pt-based bimetallic alloys have recently received considerable attention in the field of fuel cells because of their superior catalytic performance towards both fuel molecule electro-oxidation and oxygen reduction. In this work, bimetallic PtCo mesoporous nanospheres (PtCo MNs) with uniform size and morphology have been prepared by a one-step method with a high yield. The as-made PtCo MNs show superior catalytic activities for both oxygen reduction reaction and methanol oxidation reaction relative to Pt MNs and commercial Pt/C catalyst, attributed to their mesoporous structure and bimetallic composition.
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Affiliation(s)
- Hongjing Wang
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou, Zhejiang 310014, People's Republic of China
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84
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Ma L, Zhou L, He Y, Wang L, Huang Z, Jiang Y, Gao J. Mesoporous Bimetallic PtPd Nanoflowers as a Platform to Enhance Electrocatalytic Activity of Acetylcholinesterase for Organophosphate Pesticide Detection. ELECTROANAL 2018. [DOI: 10.1002/elan.201700845] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Li Ma
- School of Chemical Engineering and Technology; Hebei University of Technology; Tianjin 300130 China
| | - Liya Zhou
- School of Chemical Engineering and Technology; Hebei University of Technology; Tianjin 300130 China
| | - Ying He
- School of Chemical Engineering and Technology; Hebei University of Technology; Tianjin 300130 China
| | - Lihui Wang
- School of Chemical Engineering and Technology; Hebei University of Technology; Tianjin 300130 China
| | - Zhihong Huang
- School of Chemical Engineering and Technology; Hebei University of Technology; Tianjin 300130 China
| | - Yanjun Jiang
- School of Chemical Engineering and Technology; Hebei University of Technology; Tianjin 300130 China
- National-Local Joint Engineering Laboratory for Energy Conservation of Chemical Process Integration and Resources Utilization; Hebei University of Technology; Tianjin 300130 China
| | - Jing Gao
- School of Chemical Engineering and Technology; Hebei University of Technology; Tianjin 300130 China
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85
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Cai S, Wang R, Guo W, Tang H. Three-Dimensional Macroporous Co-Embedded N-Doped Carbon Interweaving with Carbon Nanotubes as Excellent Bifunctional Catalysts for Zn-Air Batteries. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2018; 34:1992-1998. [PMID: 29268021 DOI: 10.1021/acs.langmuir.7b02930] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Highly efficient noble metal-free bifunctional catalysts for expediting the oxygen reduction reaction (ORR) and oxygen evolution reaction (OER) in metal-air batteries or fuel cells are still challenging and imperative. In this work, we report a facile and scalable method for syntheizing three-dimensional (3D) macroporous Co-embedded N-doped carbon interconnecting with in situ growth carbon nanotubes (CNTs). The as-synthesized material exhibits great electrocatalytic performance for ORR with an onset potential of 0.901 V vs RHE as well as a high limited current density of 4.83 mA/cm2 in an alkaline electrolyte under a rotation speed of 1600 rpm at 5 mV/s. Furthermore, this 3D porous carbon also shows good electrocatalytic performance for OER in an alkaline electrolyte. This high electrocatalytic performance is mainly attributed to its large specific surface area and highly conductive CNTs and the synergistic effect between Co-active species and the carbon framework. The result of a two-electrode Zn-air battery based on this carbon material achieves a peak density of 163 mW/cm2 at a voltage of 0.63 V, indicating the great potential of the catalyst for battery application.
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Affiliation(s)
- Shichang Cai
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology , Wuhan 430070, P. R. China
| | - Rui Wang
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology , Wuhan 430070, P. R. China
| | - Wei Guo
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology , Wuhan 430070, P. R. China
| | - Haolin Tang
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology , Wuhan 430070, P. R. China
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86
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Pei Y, Ru J, Yao K, Hao L, Li Z, Wang H, Zhu X, Wang J. Nanoreactors stable up to 200 °C: a class of high temperature microemulsions composed solely of ionic liquids. Chem Commun (Camb) 2018; 54:6260-6263. [DOI: 10.1039/c8cc02901f] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
A class of microemulsions solely consisting of ionic liquids was shown to maintain nanoscale droplets up to about 200 °C, and this unique property was used to prepare porous Pt where the microemulsions played the roles of a solvent, a template and a reductant.
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Affiliation(s)
- Yuanchao Pei
- Henan Key Laboratory of Green Chemistry
- 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
| | - Jie Ru
- Henan Key Laboratory of Green Chemistry
- 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
| | - Kaisheng Yao
- School of Chemical Engineering and Pharmaceutics
- Henan University of Science and Technology
- Luoyang
- P. R. China
| | - Lihui Hao
- Henan Key Laboratory of Green Chemistry
- 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
| | - Zhiyong Li
- Henan Key Laboratory of Green Chemistry
- 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
| | - Huiyong Wang
- Henan Key Laboratory of Green Chemistry
- 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
| | - Xingqi Zhu
- Bruker China
- Beijing Applicat Lab
- Beijing 100081
- P. R. China
| | - Jianji Wang
- Henan Key Laboratory of Green Chemistry
- 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
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87
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Ingavale SB, Patil IM, Parse HB, Ramgir N, Kakade B, Swami A. B,N,S tri-doped reduced graphite oxide–cobalt oxide composite: a bifunctional electrocatalyst for enhanced oxygen reduction and oxygen evolution reactions. NEW J CHEM 2018. [DOI: 10.1039/c8nj01138a] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Cobalt oxide with B,N,S tri-doped reduced graphite oxide exhibits synergistic effects to enhance ORR activity.
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Affiliation(s)
- Sagar B. Ingavale
- Department of Chemistry
- SRM Institute of Science & Technology
- Chennai
- India
| | - Indrajit M. Patil
- Department of Chemistry
- SRM Institute of Science & Technology
- Chennai
- India
- SRM Research Institute
| | - Haridas B. Parse
- Department of Chemistry
- SRM Institute of Science & Technology
- Chennai
- India
- SRM Research Institute
| | - Niranjan Ramgir
- Technical Physics Division
- Bhabha Atomic Research Center
- Mumbai – 400 085
- India
| | - Bhalchandra Kakade
- Department of Chemistry
- SRM Institute of Science & Technology
- Chennai
- India
- SRM Research Institute
| | - Anita Swami
- Department of Chemistry
- SRM Institute of Science & Technology
- Chennai
- India
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88
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Xiong Y, Xin P, Chen W, Wang Y, Zhang S, Ren H, Rong H, Zheng X, Chen C, Peng Q, Wang D, Li Y. PtAl truncated octahedron nanocrystals for improved formic acid electrooxidation. Chem Commun (Camb) 2018; 54:3951-3954. [DOI: 10.1039/c8cc00970h] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
We prepared well-defined PtAl truncated octahedron alloy nanocrystals with a large density of surface defects, which exhibit enhanced electroactivity in FOR.
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89
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Akbarzadeh H, Abbaspour M, Mehrjouei E, Ramezanzadeh S. Ag–Au nanoparticles encapsulated inside porous hollow carbon nanospheres: a molecular dynamics study. NEW J CHEM 2018. [DOI: 10.1039/c8nj01857j] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We have simulated bare Ag/Au nanoclusters and Ag/Au nanoclusters encapsulated into hollow carbon spheres (AgAu@C) with various structures (core–shell, hollow core–shell, rattle core–shell, and alloy nanoclusters) from 300 to 700 K.
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Affiliation(s)
- Hamed Akbarzadeh
- Department of Chemistry
- Faculty of Basic Sciences
- Hakim Sabzevari University
- 96179-76487 Sabzevar
- Iran
| | - Mohsen Abbaspour
- Department of Chemistry
- Faculty of Basic Sciences
- Hakim Sabzevari University
- 96179-76487 Sabzevar
- Iran
| | - Esmat Mehrjouei
- Department of Chemistry
- Faculty of Basic Sciences
- Hakim Sabzevari University
- 96179-76487 Sabzevar
- Iran
| | - Samira Ramezanzadeh
- Department of Chemistry
- Faculty of Basic Sciences
- Hakim Sabzevari University
- 96179-76487 Sabzevar
- Iran
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90
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Hu T, Wang Y, Xiao H, Chen W, Zhao M, Jia J. Shape-control of super-branched Pd–Cu alloys with enhanced electrocatalytic performance for ethylene glycol oxidation. Chem Commun (Camb) 2018; 54:13363-13366. [DOI: 10.1039/c8cc06901h] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Pd–Cu alloys with adjustable morphologies were synthesized and examined as nanocatalysts for electro-oxidation of ethylene glycol.
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Affiliation(s)
- Tianjun Hu
- Key Laboratory of Magnetic Molecules & Magnetic Information Materials Ministry of Education
- The School of Chemical and Material Science
- Shanxi Normal University
- Linfen
- China
| | - Ying Wang
- Key Laboratory of Magnetic Molecules & Magnetic Information Materials Ministry of Education
- The School of Chemical and Material Science
- Shanxi Normal University
- Linfen
- China
| | - He Xiao
- Key Laboratory of Magnetic Molecules & Magnetic Information Materials Ministry of Education
- The School of Chemical and Material Science
- Shanxi Normal University
- Linfen
- China
| | - Wenwen Chen
- Key Laboratory of Magnetic Molecules & Magnetic Information Materials Ministry of Education
- The School of Chemical and Material Science
- Shanxi Normal University
- Linfen
- China
| | - Man Zhao
- Key Laboratory of Magnetic Molecules & Magnetic Information Materials Ministry of Education
- The School of Chemical and Material Science
- Shanxi Normal University
- Linfen
- China
| | - Jianfeng Jia
- Key Laboratory of Magnetic Molecules & Magnetic Information Materials Ministry of Education
- The School of Chemical and Material Science
- Shanxi Normal University
- Linfen
- China
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91
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Eid K, Ahmad YH, Yu H, Li Y, Li X, AlQaradawi SY, Wang H, Wang L. Rational one-step synthesis of porous PtPdRu nanodendrites for ethanol oxidation reaction with a superior tolerance for CO-poisoning. NANOSCALE 2017; 9:18881-18889. [PMID: 29177288 DOI: 10.1039/c7nr07609f] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Precise fabrication of porous ternary Pt-based nanodendrites is very important for electrochemical energy conversion owing to high surface area and great molecular accessibility of these nanodendrites. Herein, PtPdRu porous nanodendrites (PNDs) were prepared via a facile one-step ultrasonic irradiation approach at room temperature. Intriguingly, the ultrasonic irradiation drove the formation of PtPdRu PNDs with spatially interconnected porous structures, whereas magnetic stirring produced PtPdRu nanoflowers (NFs) with less porosity. The formation mechanism was ascribed to the acoustic cavitation effect and fast-reduction kinetics under sonication. The as-made PtPdRu PNDs displayed a superior catalytic performance towards ethanol oxidation reaction with a high tolerance for CO-poisoning as compared to PtPdRu NFs, PtPd NDs, and commercial Pt/C catalyst.
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Affiliation(s)
- Kamel Eid
- Department of Chemistry and Earth Sciences, College of Arts and Sciences, Qatar University, Doha 2713, Qatar.
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92
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Zeng Z, Zhang W, Liu Y, Lu P, Wei J. Uniformly electrodeposited α-MnO2 film on super-aligned electrospun carbon nanofibers for a bifunctional catalyst design in oxygen reduction reaction. Electrochim Acta 2017. [DOI: 10.1016/j.electacta.2017.10.057] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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93
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Ultrahigh methanol electro-oxidation activity from gas phase synthesized palladium nanoparticles optimized with three-dimensional carbon nanostructured supports. Electrochim Acta 2017. [DOI: 10.1016/j.electacta.2017.08.150] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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94
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Mishra R, Patil B, Karadaş F, Yılmaz E. Bioinspired Copper Coordination Polymer Catalysts for Oxygen Reduction Reaction. ChemistrySelect 2017. [DOI: 10.1002/slct.201701303] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Rupali Mishra
- Department of Chemistry; Bilkent University; 06800 Ankara Turkey
| | - Bhushan Patil
- Institute of Materials Science and Nanotechnology; National Nanotechnology Research Center (UNAM) Bilkent University; 06800 Ankara Turkey
| | - Ferdi Karadaş
- Department of Chemistry; Bilkent University; 06800 Ankara Turkey
- Institute of Materials Science and Nanotechnology; National Nanotechnology Research Center (UNAM) Bilkent University; 06800 Ankara Turkey
| | - Eda Yılmaz
- Institute of Materials Science and Nanotechnology; National Nanotechnology Research Center (UNAM) Bilkent University; 06800 Ankara Turkey
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95
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Nandan R, Nanda KK. Rational geometrical engineering of palladium sulfide multi-arm nanostructures as a superior bi-functional electrocatalyst. NANOSCALE 2017; 9:12628-12636. [PMID: 28825083 DOI: 10.1039/c7nr04733a] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Geometrical tunability offers sharp edges and an open-armed structure accompanied with a high electrochemical active surface area to ensure the efficient and effective utilization of materials by exposing the electrochemical active sites for facile accessibility of reactant species. Herein, we report a one-step, single-pot, surfactant-free, electroless, and economic route to synthesize palladium sulfide nanostructures with different geometries at mild temperatures and their catalytic properties towards the oxygen reduction reaction (ORR) and methanol electro-oxidation (MOR). For ORR, the positive on-set, half wave potentials, smaller Tafel slope, high electrochemical active surface area, large roughness factor, and better cyclic stability of the proposed nanostructures as compared to those of the commercial state-of-the-art Pt-C/PdS catalysts suggest their superiority in an alkaline medium. In addition, high mass activity (Jf ∼ 715 mA mg-1), in comparison with that of the commercial state-of-the-art Pt-C/PdS catalysts (Jf ∼ 138/41 mA mg-1, respectively), and high Jf/Jb (1.52) along with the superior operational stability of the multi-arm palladium sulfide nanostructures towards MOR advocates the bi-functional behavior of the catalyst and its potential as a promising Pt-free anode/cathode electrocatalyst in fuel cells.
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Affiliation(s)
- R Nandan
- Materials Research Centre, Indian institute of Science, Bangalore-560012, India.
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96
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Huang M, Zhang J, Wu C, Guan L. Pt Nanoparticles Densely Coated on SnO 2-Covered Multiwalled Carbon Nanotubes with Excellent Electrocatalytic Activity and Stability for Methanol Oxidation. ACS APPLIED MATERIALS & INTERFACES 2017; 9:26921-26927. [PMID: 28741355 DOI: 10.1021/acsami.7b07866] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
A new electrocatalyst exhibiting enhanced activity and stability is designed from SnO2-covered multiwalled carbon nanotubes coated with 85 wt % ratio Pt nanoparticles (NPs). This catalyst showed a mass activity 6.2 times as active as that of the commercial Pt/C for methanol oxidation, owing to the unique one-dimensional structure. Moreover, the durability and antipoisoning ability were also improved greatly. The enhanced intrinsic performance was ascribed to the densely connected networks of Pt NPs on the SnO2 NPs.
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Affiliation(s)
- Meihua Huang
- CAS Key Laboratory of Design and Assembly of Functional Nanostructures and ‡Fujian Provincial Key Laboratory of Nanomaterials, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences , Fuzhou 350108, China
| | - Jianshuo Zhang
- CAS Key Laboratory of Design and Assembly of Functional Nanostructures and ‡Fujian Provincial Key Laboratory of Nanomaterials, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences , Fuzhou 350108, China
| | - Chuxin Wu
- CAS Key Laboratory of Design and Assembly of Functional Nanostructures and ‡Fujian Provincial Key Laboratory of Nanomaterials, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences , Fuzhou 350108, China
| | - Lunhui Guan
- CAS Key Laboratory of Design and Assembly of Functional Nanostructures and ‡Fujian Provincial Key Laboratory of Nanomaterials, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences , Fuzhou 350108, China
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97
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Jang Y, Choi KH, Chung DY, Lee JE, Jung N, Sung YE. Self-Assembled Dendritic Pt Nanostructure with High-Index Facets as Highly Active and Durable Electrocatalyst for Oxygen Reduction. CHEMSUSCHEM 2017; 10:3063-3068. [PMID: 28657204 DOI: 10.1002/cssc.201700852] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/16/2017] [Indexed: 06/07/2023]
Abstract
The durability issues of Pt catalyst should be resolved for the commercialization of proton exchange membrane fuel cells. Nanocrystal structures with high-index facets have been recently explored to solve the critical durability problem of fuel cell catalysts as Pt catalysts with high-index facets can preserve the ordered surfaces without change of the original structures. However, it is very difficult to develop effective and practical synthetic methods for Pt-based nanostructures with high-index facets. The current study describes a simple one-pot synthesis of self-assembled dendritic Pt nanostructures with electrochemically active and stable high-index facets. Pt nanodendrites exhibited 2 times higher ORR activity and superior durability (only 3.0 % activity loss after 10 000 potential cycles) than a commercial Pt/C. The enhanced catalytic performance was elucidated by the formation of well-organized dendritic structures with plenty of reactive interfaces among 5 nm-sized Pt particles and the coexistence of low- and high-index facets on the particles.
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Affiliation(s)
- Youngjin Jang
- Center for Nanoparticle Research, Institute for Basic Science (IBS), Seoul, 08826, Republic of Korea
- School of Chemical and Biological Engineering, Seoul National University, Seoul, 08826, Republic of Korea
- Schulich Faculty of Chemistry, Russell Berrie Nanotechnology Institute, Technion, Haifa, 32000, Israel
| | - Kwang-Hyun Choi
- Center for Nanoparticle Research, Institute for Basic Science (IBS), Seoul, 08826, Republic of Korea
- School of Chemical and Biological Engineering, Seoul National University, Seoul, 08826, Republic of Korea
| | - Dong Young Chung
- Center for Nanoparticle Research, Institute for Basic Science (IBS), Seoul, 08826, Republic of Korea
- School of Chemical and Biological Engineering, Seoul National University, Seoul, 08826, Republic of Korea
| | - Ji Eun Lee
- Thermoelectric Conversion Research Center, Korea Electrotechnology Research Institute, Changwon, 51543, Republic of Korea
| | - Namgee Jung
- Graduate School of Energy Science and Technology, Chungnam National University, Daejeon, 34134, Republic of Korea
| | - Yung-Eun Sung
- Center for Nanoparticle Research, Institute for Basic Science (IBS), Seoul, 08826, Republic of Korea
- School of Chemical and Biological Engineering, Seoul National University, Seoul, 08826, Republic of Korea
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98
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Chen F, Ren J, He Q, Liu J, Song R. Facile and one-pot synthesis of uniform PtRu nanoparticles on polydopamine-modified multiwalled carbon nanotubes for direct methanol fuel cell application. J Colloid Interface Sci 2017; 497:276-283. [DOI: 10.1016/j.jcis.2017.03.026] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2017] [Revised: 03/02/2017] [Accepted: 03/05/2017] [Indexed: 10/20/2022]
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99
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Jiang B, Li C, Qian H, Hossain MSA, Malgras V, Yamauchi Y. Layer-by-Layer Motif Architectures: Programmed Electrochemical Syntheses of Multilayer Mesoporous Metallic Films with Uniformly Sized Pores. Angew Chem Int Ed Engl 2017; 56:7836-7841. [DOI: 10.1002/anie.201703609] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2017] [Revised: 05/03/2017] [Indexed: 01/11/2023]
Affiliation(s)
- Bo Jiang
- International Center for Materials Nanoarchitectonic (MANA); National Institute for Materials Science (NIMS); 1-1 Namiki Tsukuba Ibaraki 305-0044 Japan
| | - Cuiling Li
- International Center for Materials Nanoarchitectonic (MANA); National Institute for Materials Science (NIMS); 1-1 Namiki Tsukuba Ibaraki 305-0044 Japan
| | - Huayu Qian
- International Center for Materials Nanoarchitectonic (MANA); National Institute for Materials Science (NIMS); 1-1 Namiki Tsukuba Ibaraki 305-0044 Japan
| | - Md. Shahriar A. Hossain
- International Center for Materials Nanoarchitectonic (MANA); National Institute for Materials Science (NIMS); 1-1 Namiki Tsukuba Ibaraki 305-0044 Japan
- Australian Institute for Innovative Materials (AIIM); University of Wollongong; Squires Way North Wollongong NSW 2500 Australia
| | - Victor Malgras
- International Center for Materials Nanoarchitectonic (MANA); National Institute for Materials Science (NIMS); 1-1 Namiki Tsukuba Ibaraki 305-0044 Japan
| | - Yusuke Yamauchi
- International Center for Materials Nanoarchitectonic (MANA); National Institute for Materials Science (NIMS); 1-1 Namiki Tsukuba Ibaraki 305-0044 Japan
- Australian Institute for Innovative Materials (AIIM); University of Wollongong; Squires Way North Wollongong NSW 2500 Australia
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100
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Jiang B, Li C, Qian H, Hossain MSA, Malgras V, Yamauchi Y. Layer-by-Layer Motif Architectures: Programmed Electrochemical Syntheses of Multilayer Mesoporous Metallic Films with Uniformly Sized Pores. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201703609] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Affiliation(s)
- Bo Jiang
- International Center for Materials Nanoarchitectonic (MANA); National Institute for Materials Science (NIMS); 1-1 Namiki Tsukuba Ibaraki 305-0044 Japan
| | - Cuiling Li
- International Center for Materials Nanoarchitectonic (MANA); National Institute for Materials Science (NIMS); 1-1 Namiki Tsukuba Ibaraki 305-0044 Japan
| | - Huayu Qian
- International Center for Materials Nanoarchitectonic (MANA); National Institute for Materials Science (NIMS); 1-1 Namiki Tsukuba Ibaraki 305-0044 Japan
| | - Md. Shahriar A. Hossain
- International Center for Materials Nanoarchitectonic (MANA); National Institute for Materials Science (NIMS); 1-1 Namiki Tsukuba Ibaraki 305-0044 Japan
- Australian Institute for Innovative Materials (AIIM); University of Wollongong; Squires Way North Wollongong NSW 2500 Australia
| | - Victor Malgras
- International Center for Materials Nanoarchitectonic (MANA); National Institute for Materials Science (NIMS); 1-1 Namiki Tsukuba Ibaraki 305-0044 Japan
| | - Yusuke Yamauchi
- International Center for Materials Nanoarchitectonic (MANA); National Institute for Materials Science (NIMS); 1-1 Namiki Tsukuba Ibaraki 305-0044 Japan
- Australian Institute for Innovative Materials (AIIM); University of Wollongong; Squires Way North Wollongong NSW 2500 Australia
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