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Citation: Wang Fan, Zhang Yu-Ling, Wei Qing-Shuo, Wu Kai, Xie You-Chang. Synthesis of MoOx Nano-arrays on Anodic Aluminum Oxide Template by Thermal Diffusion[J]. Acta Physico-Chimica Sinica, ;2004, 20(06): 637-641. doi: 10.3866/PKU.WHXB20040617 shu

Synthesis of MoOx Nano-arrays on Anodic Aluminum Oxide Template by Thermal Diffusion

1.
State Key Laboratory for Structural Chemistry of Unstable and Stable Species, Institute of Physical Chemistry, College of Chemistry and Molecular Engineering, Peking University, Beijing　100871

Received Date: 11 January 2004
Available Online: 15 June 2004

MoO2 nano-arrays were simply prepared by reduction of thermally diffused MoO3 on anodic aluminum oxide(AAO) template. The structure and morphology of the nano-arrays were studied by XRD, SEM, TEM and HRTEM. The results showed that, after hydrogenation of the evaporates under 600 ℃ in H2/N2 mixture, single crystalline MoO2 nanotubes/nanowires were produced on 70 nm AAO template, while on 50 nm AAO template yielded was the piling-up of MoO2 nanocrystallites in nanotubes. Addition of ethanol into the powdered MoO3 precursors greatly improved the morphology of the nanowires. Further reduction of MoO2 at above 650 ℃ in H2 led to the production of Mo nanotube arrays.
- Mo;MoO_x;Anodic aluminum oxide(AAO);Template;Nano-arrays;Thermal diffusion
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