Please use this identifier to cite or link to this item: https://doi.org/10.1021/jp071773d
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dc.titleFacile synthesis of single-crystalline y-cul nanotetrahedrons and their induced transformation to tetrahedral CuO nanocages
dc.contributor.authorNg, C.H.B.
dc.contributor.authorFan, W.Y.
dc.date.accessioned2014-10-16T08:28:35Z
dc.date.available2014-10-16T08:28:35Z
dc.date.issued2007-07-05
dc.identifier.citationNg, C.H.B., Fan, W.Y. (2007-07-05). Facile synthesis of single-crystalline y-cul nanotetrahedrons and their induced transformation to tetrahedral CuO nanocages. Journal of Physical Chemistry C 111 (26) : 9166-9171. ScholarBank@NUS Repository. https://doi.org/10.1021/jp071773d
dc.identifier.issn19327447
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/93803
dc.description.abstractWe report a high-yield facile synthesis of uniform single-crystalline γ-Cul nanocrystals with tetrahedral morphology from the reaction between Cun and KI under ambient conditions. In our method, I- perform the roles of reactant and surface stabilizing agent, thereby reducing the complexity of the reaction by eliminating the need for an external capping agent. Nanotetrahedrons grow from single-crystalline seeds whose growth has been promoted by iodide-induced oxidative etching of twinned seeds. These nanocrystals have Td symmetry in which three triangular faces meet at each corner, and thus may be classified as platonic solids. Removal of excess free I- in solution initiates the dissolution of CuI nanotetrahedrons and simultaneous oxidation to CuO nanocages. Transmission electron microscopy was used to trace the hollowing process, and the nanoscale Kirkendall effect and other possible mechanisms were discussed for the formation of void interiors. © 2007 American Chemical Society.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1021/jp071773d
dc.sourceScopus
dc.typeArticle
dc.contributor.departmentCHEMISTRY
dc.description.doi10.1021/jp071773d
dc.description.sourcetitleJournal of Physical Chemistry C
dc.description.volume111
dc.description.issue26
dc.description.page9166-9171
dc.identifier.isiut000247599300027
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