Preparation and properties of zinc oxide nanoparticles coated with zinc aluminate
Zinc oxide nanoparticles coated with zinc aluminate were prepared by precipitation of Al2O3 on the ZnO precursor, basic carbonate of zinc (BCZ). TEM showed that a homogeneous layer is formed on the surface of the ZnO nanoparticles, and the coated particle size is about 50-60 nm. The layer thickness...
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| Veröffentlicht in: | Journal of materials chemistry 2003-02, Vol.13 (3), p.634-637 |
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| container_title | Journal of materials chemistry |
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| creator | Fangli, Yuan Peng, Hu Chunlei, Yin Shulan, Huang Jinlin, Li |
| description | Zinc oxide nanoparticles coated with zinc aluminate were prepared by precipitation of Al2O3 on the ZnO precursor, basic carbonate of zinc (BCZ). TEM showed that a homogeneous layer is formed on the surface of the ZnO nanoparticles, and the coated particle size is about 50-60 nm. The layer thickness estimated by high magnification TEM is about 4-5 nm. XPS showed that the elements in the coating at the surface of the ZnO nanoparticles are Zn, O and Al. XRD and lattice fringe data show that the coating is of the ZnAl2O4 phase formed by the reaction of basic carbonate of zinc and basic carbonate of aluminium. The zinc aluminate coating is effective in reducing the catalytic activity of ZnO nanoparticles. ZnO nanoparticles coated with zinc aluminate not only retain a high UV absorptivity, but also increase their reflectance of visible light. 21 refs. |
| doi_str_mv | 10.1039/b208346a |
| format | Article |
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TEM showed that a homogeneous layer is formed on the surface of the ZnO nanoparticles, and the coated particle size is about 50-60 nm. The layer thickness estimated by high magnification TEM is about 4-5 nm. XPS showed that the elements in the coating at the surface of the ZnO nanoparticles are Zn, O and Al. XRD and lattice fringe data show that the coating is of the ZnAl2O4 phase formed by the reaction of basic carbonate of zinc and basic carbonate of aluminium. The zinc aluminate coating is effective in reducing the catalytic activity of ZnO nanoparticles. ZnO nanoparticles coated with zinc aluminate not only retain a high UV absorptivity, but also increase their reflectance of visible light. 21 refs.</description><identifier>ISSN: 0959-9428</identifier><identifier>EISSN: 1364-5501</identifier><identifier>DOI: 10.1039/b208346a</identifier><language>eng</language><publisher>Cambridge: Royal Society of Chemistry</publisher><subject>Chemistry ; Colloidal state and disperse state ; Cross-disciplinary physics: materials science; rheology ; Exact sciences and technology ; General and physical chemistry ; Materials science ; Nanoscale materials and structures: fabrication and characterization ; Physics ; Powders</subject><ispartof>Journal of materials chemistry, 2003-02, Vol.13 (3), p.634-637</ispartof><rights>2003 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c345t-3ef16f4409ce57534dd21acf9dfdbfea3647a2de4668ca92d4322e89b565b1723</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,2818,27901,27902</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=14784579$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><contributor>WCA</contributor><creatorcontrib>Fangli, Yuan</creatorcontrib><creatorcontrib>Peng, Hu</creatorcontrib><creatorcontrib>Chunlei, Yin</creatorcontrib><creatorcontrib>Shulan, Huang</creatorcontrib><creatorcontrib>Jinlin, Li</creatorcontrib><title>Preparation and properties of zinc oxide nanoparticles coated with zinc aluminate</title><title>Journal of materials chemistry</title><description>Zinc oxide nanoparticles coated with zinc aluminate were prepared by precipitation of Al2O3 on the ZnO precursor, basic carbonate of zinc (BCZ). TEM showed that a homogeneous layer is formed on the surface of the ZnO nanoparticles, and the coated particle size is about 50-60 nm. The layer thickness estimated by high magnification TEM is about 4-5 nm. XPS showed that the elements in the coating at the surface of the ZnO nanoparticles are Zn, O and Al. XRD and lattice fringe data show that the coating is of the ZnAl2O4 phase formed by the reaction of basic carbonate of zinc and basic carbonate of aluminium. The zinc aluminate coating is effective in reducing the catalytic activity of ZnO nanoparticles. 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TEM showed that a homogeneous layer is formed on the surface of the ZnO nanoparticles, and the coated particle size is about 50-60 nm. The layer thickness estimated by high magnification TEM is about 4-5 nm. XPS showed that the elements in the coating at the surface of the ZnO nanoparticles are Zn, O and Al. XRD and lattice fringe data show that the coating is of the ZnAl2O4 phase formed by the reaction of basic carbonate of zinc and basic carbonate of aluminium. The zinc aluminate coating is effective in reducing the catalytic activity of ZnO nanoparticles. ZnO nanoparticles coated with zinc aluminate not only retain a high UV absorptivity, but also increase their reflectance of visible light. 21 refs.</abstract><cop>Cambridge</cop><pub>Royal Society of Chemistry</pub><doi>10.1039/b208346a</doi><tpages>4</tpages></addata></record> |
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| ispartof | Journal of materials chemistry, 2003-02, Vol.13 (3), p.634-637 |
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| source | Royal Society Of Chemistry Journals 2008-; Royal Society of Chemistry Journals Archive |
| subjects | Chemistry Colloidal state and disperse state Cross-disciplinary physics: materials science rheology Exact sciences and technology General and physical chemistry Materials science Nanoscale materials and structures: fabrication and characterization Physics Powders |
| title | Preparation and properties of zinc oxide nanoparticles coated with zinc aluminate |
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