Synthesis, Characterization, and Self-Assembly of Pencil-Shaped CoO Nanorods.
We synthesized uniformly sized, pencil-shaped CoO nanorods by the thermal decomposition of a cobalt-oleate complex, which was prepared from the reaction of cobalt chloride and sodium oleate. The diameters and lengths of the CoO nanorods were easily controlled by varying the experimental conditions,...
| Publicado en: | Journal of the American Chemical Society Vol. 128; no. 30; pp. 9753 - 9761 |
|---|---|
| Autores principales: | , , , , , , , , , , |
| Formato: | Artículo |
| Publicado: |
American Chemical Society
8/2/2006
|
| Materias: | |
| Acceso en línea: | Ver este registro en EBSCOhost |
| fields | @attributes: recordID: 1 pdfLink: plink: https://search.ebscohost.com/login.aspx?direct=true&db=hlh&AN=21862014&site=ehost-live header: @attributes: shortDbName: hlh uiTerm: 21862014 longDbName: Humanities International Complete uiTag: AN controlInfo: bkinfo: jinfo: jid: 00027863 ACS jtl: Journal of the American Chemical Society issn: 00027863 maglogo: N pubinfo: dt: 8/2/2006 vid: 128 iid: 30 pid: 997 pub: American Chemical Society artinfo: ui: 21862014 10.1021/ja0608702 ppf: 9753 ppct: 8 formats: tig: atl: Synthesis, Characterization, and Self-Assembly of Pencil-Shaped CoO Nanorods. aug: au: An, Kwangjin Nohyun Lee Park, Jongnam Sung Chul Kim Yosun Hwang Park, Je-Geun Jae-Young Kim Park, Jae-Hoon Myung Joon Han Jaejun Yu Taeghwan Hyeon affil: National Creative Research Initiative Center, Oxide Nanocrystalline Materials and School of Chemical and Biological Engineering, Seoul National University, Seoul 151-744, Korea Department of Physics and Institute of Basic Science, Sungkyunkwan University, Suwon 440-746, Korea Department of Physics and Pohang Light Source, Pohang University of Science and Technology, Pohang 790-784, Korea School of Physics and CSCMR, Seoul National University, Seoul 151-747, Korea su: Cobalt Metal complexes Chemical decomposition Biodegradation X-ray spectroscopy Magnetic measurements Spectrum analysis sug: subj: Cobalt Metal complexes Chemical decomposition Biodegradation X-ray spectroscopy Magnetic measurements Spectrum analysis ab: We synthesized uniformly sized, pencil-shaped CoO nanorods by the thermal decomposition of a cobalt-oleate complex, which was prepared from the reaction of cobalt chloride and sodium oleate. The diameters and lengths of the CoO nanorods were easily controlled by varying the experimental conditions, such as the heating rate and the amount of Co-oleate complex. The X-ray diffraction pattern revealed that the CoO nanorods have an extraordinary wurtzite ZnO crystal structure. These uniformly sized nanorods self-assembled to form both horizontal parallel arrangements and perpendicular hexagonal honeycomb superlattice structures. Reduction of the nanorods by heating under a hydrogen atmosphere generated either hcp Co or CoC nanorods. Characterization of the CoO nanorods using X-ray absorption spectroscopy, X-ray magnetic circular dichroism spectroscopy, and magnetic measurements showed that they contain a small fraction of ferromagnetic Co impurities. pubtype: Academic Journal doctype: Article src: R language: English refInfo: copyright: @attributes: flag: Y dt: @attributes: year: 2006 holdings: @attributes: islocal: N |
|---|