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Group 10 metal-cyanide scaffolds in complexes and extended frameworks: Properties and applications. Coord Chem Rev 2022. [DOI: 10.1016/j.ccr.2021.214310] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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Chen X, Zhang W, Liu T, Zhou Y, Tang Y, Wu P. Hydrogel-Derived Nanoporous Sn–In–Ni Ternary Alloy Network for High-Performance Lithium-Storage. Electrochim Acta 2016. [DOI: 10.1016/j.electacta.2016.05.184] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Zhang W, Zhu X, Chen X, Zhou Y, Tang Y, Ding L, Wu P. Cyano-bridged coordination polymer hydrogel-derived Sn-Fe binary oxide nanohybrids with structural diversity: from 3D, 2D, to 2D/1D and enhanced lithium-storage performance. NANOSCALE 2016; 8:9828-9836. [PMID: 27119205 DOI: 10.1039/c6nr01139j] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Metal oxide nanohybrids with uniform dimensions and controlled architectures possess unique compositional and structural superiorities, and thus harbor promising potential for a series of applications in energy, catalysis, and sensing systems. Herein, we propose a facile, general, and scalable cyano-bridged coordination polymer hydrogel-derived thermal-oxidation route for the construction of main-group metal and transition-metal heterometallic oxide nanohybrids with controlled constituents and architectures. The formation of Sn-Fe binary oxide nanohybrids has been demonstrated as an example by using cyano-bridged Sn(iv)-Fe(ii) bimetallic coordination polymer hydrogels (i.e., SnCl4-K4Fe(CN)6 cyanogels, Sn-Fe cyanogels) as precursors. The physicochemical properties of Sn-Fe cyanogels with different Sn/Fe ratios have been systematically examined, and it is found that perfect Sn-Fe cyanogels without unbridged Sn(iv) or Fe(ii) can be formed with Sn/Fe ratios from 2 : 1 to 1 : 2. More importantly, the simple adjustment of Sn/Fe ratios in the Sn-Fe cyanogel precursors can realize flexible dimensional control of the Sn-Fe binary oxide nanohybrids, and 2D/1D SnO2-Fe2O3 hierarchitectures, 2D SnO2-Fe2O3 nanosheets, and 3D SnO2-Fe2O3 networks have been synthesized using the Sn-Fe 1 : 2, Sn-Fe 1 : 1, and Sn-Fe 2 : 1 cyanogels as precursors, respectively. To demonstrate their compositional/structural superiorities and potential applications, the lithium-storage utilization of the Sn-Fe binary oxide nanohybrids has been selected as an objective application, and the nanohybrids exhibit Sn/Fe ratio-dependent lithium-storage performance. As a representative example, the 2D/1D SnO2-Fe2O3 hierarchitectures manifest markedly enhanced Li-storage performance in terms of reversible capacities and cycling stability in comparison with their constituent units, i.e., bare SnO2 nanosheets and Fe2O3 nanorods. The proposed cyanogel-derived thermal-oxidation strategy could open up new opportunities for constructing heterometallic oxide nanohybrids, and the rationally designed metal oxide nanohybrids may find broad applications in energy, catalysis, and sensing fields by virtue of their structural and compositional features.
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Affiliation(s)
- Weiyu Zhang
- 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.
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Liu X, Xu G, Chen Y, Lu T, Tang Y, Xing W. A strategy for fabricating porous PdNi@Pt core-shell nanostructures and their enhanced activity and durability for the methanol electrooxidation. Sci Rep 2015; 5:7619. [PMID: 25557190 PMCID: PMC5154597 DOI: 10.1038/srep07619] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2014] [Accepted: 12/03/2014] [Indexed: 01/22/2023] Open
Abstract
Three-dimensionally (3D) porous morphology of nanostructures can effectively improve their electrocatalytic activity and durability for various electrochemical reactions owing to big surface area and interconnected structure. Cyanogel, a jelly-like inorganic polymer, can be used to synthesize various three-dimensionally (3D) porous alloy nanomaterials owing to its double-metal property and particular 3D backbone. Here, 3D porous PdNi@Pt core-shell nanostructures (CSNSs) are facilely synthesized by first preparing the Pd-Ni alloy networks (Pd-Ni ANWs) core via cyanogel-reduction method followed by a galvanic displacement reaction to generate the Pt-rich shell. The as-synthesized PdNi@Pt CSNSs exhibit a much improved catalytic activity and durability for the methanol oxidation reaction (MOR) in the acidic media compared to the commercial used Pt black because of their specific structural characteristics. The facile and mild method described herein is highly attractive for the synthisis of 3D porous core-shell nanostructures.
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Affiliation(s)
- Xinyu 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, P. R. China
| | - Guangrui Xu
- School of Materials Science and Engineering, Shaanxi Normal University, Xi'an 710062, P. R. China
| | - Yu Chen
- School of Materials Science and Engineering, Shaanxi Normal University, Xi'an 710062, P. R. China
| | - Tianhong Lu
- 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, P. R. China
| | - Yawen Tang
- 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, P. R. China
| | - Wei Xing
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin 130022, P. R. China
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Zhu Q, Wu P, Zhang J, Zhang W, Zhou Y, Tang Y, Lu T. Cyanogel-derived formation of 3 D nanoporous SnO2-MxOy (M=Ni, Fe, Co) hybrid networks for high-performance lithium storage. CHEMSUSCHEM 2015; 8:131-137. [PMID: 25389036 DOI: 10.1002/cssc.201402829] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/12/2014] [Indexed: 06/04/2023]
Abstract
Three-dimensional (3 D) nanoporous SnO2 -Mx Oy (M=Fe, Co, Ni, Cu, etc.) hybrid networks possess unique compositional and structural features that are beneficial to lithium storage and are thus anticipated to meet the performance requirements of advanced lithium-ion batteries for transportation and stationary energy storage. Herein, a facile, scalable, and versatile cyanogel-derived method for the construction of 3 D nanoporous SnO2 -Mx Oy hybrid networks was developed for the first time. The formation of 3 D nanoporous SnO2 -NiO, SnO2 -α-Fe2 O3 , and SnO2 -NiO-Co3 O4 hybrid networks was illustrated by using Sn-M cyanogels as precursors. Moreover, the anodic performance of the 3 D nanoporous SnO2 -NiO hybrid network was examined to demonstrate proof of concept. After coating with polypyrrole-derived carbon, the SnO2 -NiO@C hybrid network exhibited superior lithium-storage capabilities in terms of specific capacity, cycling stability, and rate capability.
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Affiliation(s)
- Qingyun Zhu
- Jiangsu Key Laboratory of New Power Batteries, Jiangsu Collaborative Innovation Centre of Biomedical Functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing, 210023 (P. R. China)
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Gong M, Fu G, Chen Y, Tang Y, Lu T. Autocatalysis and selective oxidative etching induced synthesis of platinum-copper bimetallic alloy nanodendrites electrocatalysts. ACS APPLIED MATERIALS & INTERFACES 2014; 6:7301-8. [PMID: 24801265 DOI: 10.1021/am500656j] [Citation(s) in RCA: 59] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/13/2023]
Abstract
The controllable synthesis of noble metal alloy nanostructures with highly branched morphology has attracted much attention because of their specific physical and chemical properties. This article reports the synthesis of platinum-copper bimetallic alloy nanodendrites (Pt-Cu BANDs) by a facile, one-pot, templateless, and seedless hydrothermal method in the presence of poly(allylamine hydrochloride) (PAH) and formaldehyde (HCHO). The morphology, composition, and structure of Pt-Cu BANDs are fully characterized by various physical techniques, demonstrating Pt-Cu BANDs are highly alloying, porous, and self-supported nanostructures. The formation/growth mechanism of Pt-Cu BANDs is explored and discussed based on the experimental observations. The autocatalytic growth and interdiffusion are responsible for the formation of Pt-Cu alloy whereas selective oxidative etching results in dendritic morphology of Pt-Cu alloy nanostructures. In addition, the electrocatalytic activity and stability of Pt-Cu BANDs for the methanol oxidation reaction (MOR) are investigated by various electrochemical techniques. The synthesized Pt-Cu BANDs show higher electrocatalytic activity and stability than commercially available Pt black.
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Affiliation(s)
- Mingxing Gong
- School of Materials Science and Engineering, Shaanxi Normal University , Xi'an 710062, China
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Zhao R, Fu G, Zhou T, Chen Y, Zhu X, Tang Y, Lu T. Multi-generation overgrowth induced synthesis of three-dimensional highly branched palladium tetrapods and their electrocatalytic activity for formic acid oxidation. NANOSCALE 2014; 6:2776-2781. [PMID: 24463486 DOI: 10.1039/c3nr05718f] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
Highly branched noble metal nanostructures are highly attractive for catalytic applications owing to their specific physical and chemical properties. In this work, three-dimensional highly branched palladium tetrapods (Pd-THBTs) have been constructed in the presence of polyvinylpyrrolidone (PVP) through one-step hydrothermal reduction of ethylenediamine-tetramethylene phosphonate-palladium(II) (EDTMP-Pd(II)) by formaldehyde. The morphology and structure of the Pd-THBTs were fully characterized and the growth mechanism was explored and discussed based on the experimental observation. The concave Pd tetrahedra grew into highly branched Pd tetrapods consisting of four nanothorn-like branches with tetrahedral dimensions through interesting multi-generation nanocrystal overgrowth. The electrocatalytic activities of the as-synthesized Pd-THBTs toward formic acid oxidation were also studied by cyclic voltammetry and chronoamperometry. The Pd-THBTs showed higher catalytic activity and stability for formic acid oxidation than the commercial Pd black.
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Affiliation(s)
- Ruopeng Zhao
- 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, PR China.
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Peng X, Ye W, Ding Y, Jiang S, Hanif M, Liao X, Hou H. Facile synthesis, characterization and application of highly active palladium nano-network structures supported on electrospun carbon nanofibers. RSC Adv 2014. [DOI: 10.1039/c4ra07632j] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Pd-NNSs-ECNFs were successfully prepared and applied in Suzuki coupling reactions in environmental friendly solvent systems.
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Affiliation(s)
- Xinwen Peng
- Chemistry and Chemical Engineering College
- Jiangxi Normal University
- Nanchang, P.R. China
| | - Wan Ye
- Chemistry and Chemical Engineering College
- Jiangxi Normal University
- Nanchang, P.R. China
| | - Yichun Ding
- Chemistry and Chemical Engineering College
- Jiangxi Normal University
- Nanchang, P.R. China
| | - Shaohua Jiang
- Chemistry and Chemical Engineering College
- Jiangxi Normal University
- Nanchang, P.R. China
| | - Muddasir Hanif
- Chemistry and Chemical Engineering College
- Jiangxi Normal University
- Nanchang, P.R. China
| | - Xiaojian Liao
- Chemistry and Chemical Engineering College
- Jiangxi Normal University
- Nanchang, P.R. China
| | - Haoqing Hou
- Chemistry and Chemical Engineering College
- Jiangxi Normal University
- Nanchang, P.R. China
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Li P, Liu H, Yang J, Sun D, Chen Y, Zhou Y, Cai C, Lu T. A ruthenium(iii) phosphonate complex on polyallylamine functionalized carbon nanotube multilayer films: self-assembly, direct electrochemistry, and electrocatalysis. J Mater Chem B 2014; 2:102-109. [DOI: 10.1039/c3tb21433h] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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Liu X, Fu G, Chen Y, Tang Y, She P, Lu T. Pt-Pd-Co Trimetallic Alloy Network Nanostructures with Superior Electrocatalytic Activity towards the Oxygen Reduction Reaction. Chemistry 2013; 20:585-90. [DOI: 10.1002/chem.201302834] [Citation(s) in RCA: 73] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2013] [Revised: 09/02/2013] [Indexed: 01/07/2023]
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Room-temperature synthesis and electrocatalysis of carbon nanotubes supported palladium–iron alloy nanoparticles. Electrochim Acta 2013. [DOI: 10.1016/j.electacta.2013.08.106] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Surfactant-free palladium nanodendrite assemblies with enhanced electrocatalytic performance for formic acid oxidation. Electrochem commun 2013. [DOI: 10.1016/j.elecom.2013.03.041] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
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Yang L, Li Z, Lu X, Tong Y, Nie G, Wang C. One-Pot Synthesis of Palladium Hollow Nanospheres and Their Enhanced Electrocatalytic Properties. Chempluschem 2013. [DOI: 10.1002/cplu.201300017] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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