Fabrication of Ir/TiO2(110) Planar Catalysts with Tailored Particle Size and Distribution
A simple method is described by which supported Ir nanoparticles can be fabricated in desired uniform sizes in the range of 1.5–20.0 nm with constant interparticle distances. The nanoparticles are characterized by STM. The method exploits the significant differences in the diffusion rates of metal a...
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| Veröffentlicht in: | Journal of catalysis 1999-03, Vol.182 (2), p.511-514 |
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| container_end_page | 514 |
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| container_issue | 2 |
| container_start_page | 511 |
| container_title | Journal of catalysis |
| container_volume | 182 |
| creator | Berkó, A. Klivényi, G. Solymosi, F. |
| description | A simple method is described by which supported Ir nanoparticles can be fabricated in desired uniform sizes in the range of 1.5–20.0 nm with constant interparticle distances. The nanoparticles are characterized by STM. The method exploits the significant differences in the diffusion rates of metal adatoms and nanocrystallites, and consists of two steps: (i) vapor deposition of Ir metal in predetermined concentrations on titania at 300 K with a postannealing at 1200 K, and (ii) subsequent evaporation of Ir on this surface at 1200 K. |
| doi_str_mv | 10.1006/jcat.1998.2345 |
| format | Article |
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The nanoparticles are characterized by STM. The method exploits the significant differences in the diffusion rates of metal adatoms and nanocrystallites, and consists of two steps: (i) vapor deposition of Ir metal in predetermined concentrations on titania at 300 K with a postannealing at 1200 K, and (ii) subsequent evaporation of Ir on this surface at 1200 K.</description><identifier>ISSN: 0021-9517</identifier><identifier>EISSN: 1090-2694</identifier><identifier>DOI: 10.1006/jcat.1998.2345</identifier><identifier>CODEN: JCTLA5</identifier><language>eng</language><publisher>Amsterdam: Elsevier Inc</publisher><subject>Catalysis ; Catalysts: preparations and properties ; Chemistry ; Exact sciences and technology ; General and physical chemistry ; Theory of reactions, general kinetics. Catalysis. 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The nanoparticles are characterized by STM. The method exploits the significant differences in the diffusion rates of metal adatoms and nanocrystallites, and consists of two steps: (i) vapor deposition of Ir metal in predetermined concentrations on titania at 300 K with a postannealing at 1200 K, and (ii) subsequent evaporation of Ir on this surface at 1200 K.</description><subject>Catalysis</subject><subject>Catalysts: preparations and properties</subject><subject>Chemistry</subject><subject>Exact sciences and technology</subject><subject>General and physical chemistry</subject><subject>Theory of reactions, general kinetics. Catalysis. 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Nomenclature, chemical documentation, computer chemistry</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Berkó, A.</creatorcontrib><creatorcontrib>Klivényi, G.</creatorcontrib><creatorcontrib>Solymosi, F.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><jtitle>Journal of catalysis</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Berkó, A.</au><au>Klivényi, G.</au><au>Solymosi, F.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Fabrication of Ir/TiO2(110) Planar Catalysts with Tailored Particle Size and Distribution</atitle><jtitle>Journal of catalysis</jtitle><date>1999-03-10</date><risdate>1999</risdate><volume>182</volume><issue>2</issue><spage>511</spage><epage>514</epage><pages>511-514</pages><issn>0021-9517</issn><eissn>1090-2694</eissn><coden>JCTLA5</coden><abstract>A simple method is described by which supported Ir nanoparticles can be fabricated in desired uniform sizes in the range of 1.5–20.0 nm with constant interparticle distances. The nanoparticles are characterized by STM. The method exploits the significant differences in the diffusion rates of metal adatoms and nanocrystallites, and consists of two steps: (i) vapor deposition of Ir metal in predetermined concentrations on titania at 300 K with a postannealing at 1200 K, and (ii) subsequent evaporation of Ir on this surface at 1200 K.</abstract><cop>Amsterdam</cop><pub>Elsevier Inc</pub><doi>10.1006/jcat.1998.2345</doi><tpages>4</tpages></addata></record> |
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| ispartof | Journal of catalysis, 1999-03, Vol.182 (2), p.511-514 |
| issn | 0021-9517 1090-2694 |
| language | eng |
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| source | Elsevier ScienceDirect Journals |
| subjects | Catalysis Catalysts: preparations and properties Chemistry Exact sciences and technology General and physical chemistry Theory of reactions, general kinetics. Catalysis. Nomenclature, chemical documentation, computer chemistry |
| title | Fabrication of Ir/TiO2(110) Planar Catalysts with Tailored Particle Size and Distribution |
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