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Yang J, Liu Y, Deng J, Zhao X, Zhang K, Han Z, Dai H. AgAuPd/meso-Co3O4: High-performance catalysts for methanol oxidation. CHINESE JOURNAL OF CATALYSIS 2019. [DOI: 10.1016/s1872-2067(18)63205-x] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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da Silveira RS, de Oliveira AM, Pergher SBC, da Silva VT, Baibich IM. Palladium and Molybdenum Mono and Bimetallic Catalysts on Modernite for Direct NO Decomposition Reaction. Catal Letters 2009. [DOI: 10.1007/s10562-008-9806-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Rodriguez-Suarez T, Díaz LA, Lopez-Esteban S, Pecharromán C, Esteban-Cubillo A, Gremillard L, Torrecillas R, Moya JS. Epitaxial growth of tungsten nanoparticles on alumina and spinel surfaces. NANOTECHNOLOGY 2008; 19:215605. [PMID: 21730578 DOI: 10.1088/0957-4484/19/21/215605] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
Isolated tungsten nanoparticles (α-W and β-W phase) were synthesized and epitaxially grown on alumina and spinel particle surfaces with an average tungsten size of ≤20 nm for a low tungsten content (of ≤1.5 vol%). Using tungsten (VI) ethoxide alcoholic solutions, tungsten trioxide hydrated precursors were attached to a ceramic grains surface as a nanoparticle coating. High-resolution transmission electron microscopy (HRTEM) micrographs showed epitaxial interfaces between alumina, spinel and metallic tungsten. This epitaxial growth is assumed to be due to the effect of water vapour on the sublimation of ortho-tungstic acid during the reduction process in a hydrogen atmosphere. The planes involved in the epitaxy were found to be [Formula: see text] and [Formula: see text].
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Affiliation(s)
- T Rodriguez-Suarez
- Instituto de Ciencia de Materiales de Madrid (ICMM), Consejo Superior de Investigaciones Científicas (CSIC), C/ Sor Juana Inés de la Cruz 3, 28049, Cantoblanco, Madrid, Spain
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Cónsul JMD, Peralta CA, Benvenutti EV, Ruiz JA, Pastore HO, Baibich IM. Direct decomposition of nitric oxide on alumina-modified amorphous and mesoporous silica-supported palladium catalysts. ACTA ACUST UNITED AC 2006. [DOI: 10.1016/j.molcata.2005.10.011] [Citation(s) in RCA: 46] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Debeila MA, Coville NJ, Scurrell MS, Hearne GR, Witcomb MJ. Effect of Pretreatment Variables on the Reaction of Nitric Oxide (NO) with Au−TiO2: DRIFTS Studies. J Phys Chem B 2004. [DOI: 10.1021/jp048899k] [Citation(s) in RCA: 35] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Mahlaba A. Debeila
- Molecular Sciences Institute, School of Chemistry, Private Bag X3, University of the Witwatersrand, Johannesburg 2050, South Africa, Mössbauer Laboratory, School of Physics, Private Bag X3, University of the Witwatersrand, Johannesburg 2050, South Africa, and Electron Microscope Unit, Private Bag X3, University of the Witwatersrand, Johannesburg 2050, South Africa
| | - Neil J. Coville
- Molecular Sciences Institute, School of Chemistry, Private Bag X3, University of the Witwatersrand, Johannesburg 2050, South Africa, Mössbauer Laboratory, School of Physics, Private Bag X3, University of the Witwatersrand, Johannesburg 2050, South Africa, and Electron Microscope Unit, Private Bag X3, University of the Witwatersrand, Johannesburg 2050, South Africa
| | - Mike S. Scurrell
- Molecular Sciences Institute, School of Chemistry, Private Bag X3, University of the Witwatersrand, Johannesburg 2050, South Africa, Mössbauer Laboratory, School of Physics, Private Bag X3, University of the Witwatersrand, Johannesburg 2050, South Africa, and Electron Microscope Unit, Private Bag X3, University of the Witwatersrand, Johannesburg 2050, South Africa
| | - Giovanni R. Hearne
- Molecular Sciences Institute, School of Chemistry, Private Bag X3, University of the Witwatersrand, Johannesburg 2050, South Africa, Mössbauer Laboratory, School of Physics, Private Bag X3, University of the Witwatersrand, Johannesburg 2050, South Africa, and Electron Microscope Unit, Private Bag X3, University of the Witwatersrand, Johannesburg 2050, South Africa
| | - Mike J. Witcomb
- Molecular Sciences Institute, School of Chemistry, Private Bag X3, University of the Witwatersrand, Johannesburg 2050, South Africa, Mössbauer Laboratory, School of Physics, Private Bag X3, University of the Witwatersrand, Johannesburg 2050, South Africa, and Electron Microscope Unit, Private Bag X3, University of the Witwatersrand, Johannesburg 2050, South Africa
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Pergher SB, Dallago RM, Veses RC, Gigola CE, Baibich IM. Pd/NaY-zeolite and Pd-W/NaY-zeolite catalysts: preparation, characterization and NO decomposition activity. ACTA ACUST UNITED AC 2004. [DOI: 10.1016/j.molcata.2003.08.005] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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