Preparation and characterization of yttria-stabilized zirconia nanotubes
Preparation and characterization of yttria-stabilized zirconia nanotubes
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氧化钇稳定氧化锆纳米管的制备及表征
DOI:
10.1016/j.matchemphys.2008.04.017
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发表时间:
2008-10
影响因子:
4.6
通讯作者:
Meng, Bo
中科院分区:
文献类型:
--
作者:
Ma, Zi-Feng;Tan, Xiaoyao;Meng, Xiuxia;Yang, Naitao;Meng, Bo
Yttria-stabilized zirconia (YSZ) nanotubes were synthesized by the sol–gel method using porous anodic alumina oxide (AAO) as the templates. X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), energy dispersion X-ray (EDX) spectrum and selected area electron diffraction (SAED) techniques were used to characterize the morphology and crystalline structure of the prepared YSZ nanotubes. The length and the diameter of the YSZ nanotubes are 50μm and 200nm, respectively, which are in good agreement with the dimensions of the template pores, while the wall thickness of the nanotubes depends on the impregnation time. XRD and SAED measurements indicate that the obtained YSZ nanotubes after sintering at 1073K possess a polycrystalline structure and a cubic crystal phase. Brunauer–Emmett–Teller (BET) measurement shows that the YSZ nanotubes have a surface specific area of around 40.5m2g−1that is higher than that corresponding to the YSZ nanopowders.
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