Please use this identifier to cite or link to this item: https://doi.org/10.1021/ja012595j
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dc.titleArresting butterfly-like intermediate nanocrystals of β-Co(OH)2 via ethylenediamine-mediated synthesis
dc.contributor.authorSampanthar, J.T.
dc.contributor.authorZeng, H.C.
dc.date.accessioned2014-10-09T09:51:43Z
dc.date.available2014-10-09T09:51:43Z
dc.date.issued2002-06-12
dc.identifier.citationSampanthar, J.T., Zeng, H.C. (2002-06-12). Arresting butterfly-like intermediate nanocrystals of β-Co(OH)2 via ethylenediamine-mediated synthesis. Journal of the American Chemical Society 124 (23) : 6668-6675. ScholarBank@NUS Repository. https://doi.org/10.1021/ja012595j
dc.identifier.issn00027863
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/91874
dc.description.abstractA synthesis β-Co(OH)2 nanocrystalline materials has been investigated with the assistance of chelating agent ethylenediamine. By controlling precipitation processes, various forms β-Co(OH)2 crystallites can be prepared at different stages. The crystallite morphologies include two-dimensional hexagonal sheet platelets, one-dimensional nanorods, and butterfly-like nanocrystallite intermediates. In particular, a triangular construction unit for β-Co(OH)2 crystallites has been revealed with the ethylenediamine mediation in the synthesis. With the successful arrest of these butterfly-like intermediate crystallites, especially of linearly aligned "butterflies", the formation mechanism of one-dimensional nanorods or nanoribbons has been experimentally explained. The chemical composition of solution precursors and resultant β-Co(OH)2 crystallites has been analyzed with UV-vis/FTIR/CHN/XRD/TGA/TEM/SAED methods. The relationships among various observed crystallite morphologies have also been discussed on the basis of the experimental findings.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1021/ja012595j
dc.sourceScopus
dc.typeArticle
dc.contributor.departmentCHEMICAL & ENVIRONMENTAL ENGINEERING
dc.contributor.departmentCHEMICAL AND PROCESS ENGINEERING CENTRE
dc.description.doi10.1021/ja012595j
dc.description.sourcetitleJournal of the American Chemical Society
dc.description.volume124
dc.description.issue23
dc.description.page6668-6675
dc.description.codenJACSA
dc.identifier.isiut000176059100037
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