Journal
JOURNAL OF PHYSICAL CHEMISTRY B
Volume 109, Issue 4, Pages 1361-1363Publisher
AMER CHEMICAL SOC
DOI: 10.1021/jp046655u
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Flowerlike cupped-end ZnO microrod bundles have been hydrothermally synthesized from precursor ZnCl2-(N2H4)(2) in sheet shape at 140 degreesC for 12 h; under the same conditions using the same precursor in rod shape, uniform ZnO nanorods were obtained. XRD pattern indicated the sample is ZnO with hexagonal cell contants a = 3.251 Angstrom and c = 5.206 Angstrom. FE-SEM and TEM show the formation process of the ZnO sample. HRTEM revealed that the flowerlike cupped-end ZnO microrod bundles grow along the [101] axis. The UV emission peak at similar to396 nm and the blue band emission peak at similar to469 nm were observed by PL spectra. A possible formation mechanism was proposed.
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