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Controllable growth of ZnO nanoarrays in aqueous solution and their optical properties

机译：水溶液中ZnO纳米阵列的可控生长及其光学性质

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摘要

ZnO sheet arrays were vertically aligned onto an aluminium flake after pyrolysis of Zn-5( OH)(8)Cl2H2O sheets which were fabricated in aqueous zinc chloride and hexamethylenetetraamine solution. The ZnO sheets, with diameter of 0.5-1 mu m and thickness of 30-50 nm, incline to have satisfactory configuration of vertical alignment on the aluminium flake. Vertically aligned ZnO rod arrays with diameters of 50 nm were successfully grown on a silicon wafer coated with ZnO sol ( Si-coated) in the same aqueous solution. Furthermore, from the photoluminescence ( PL) and the energy dispersive x-ray ( EDX) analysis, the dominant intrinsic defect of the ZnO sheet arrays was vacancies of zinc ( V-Zn). As-synthesized ZnO nanostructures have potential applications in fabricating next-generation nanodevices.
机译：在将Zn-5（OH）（8）Cl2H2O片热解后，将ZnO片阵列垂直对齐到铝片上，该片是在氯化锌水溶液和六亚甲基四胺溶液中制成的。直径为0.5-1μm，厚度为30-50 nm的ZnO片倾向于在铝片上具有令人满意的垂直排列构型。直径为50 nm的垂直排列的ZnO棒阵列在同一水溶液中成功地生长在涂有ZnO溶胶（硅涂层）的硅片上。此外，从光致发光（PL）和能量色散X射线（EDX）分析来看，ZnO片阵列的主要固有缺陷是锌的空位（V-Zn）。合成后的ZnO纳米结构在制造下一代纳米器件中具有潜在的应用。

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