Fabrication of multilayer Nb_2O_5 nanoporous film by anodization of niobium foils

Multilayer Nb2O5 nanoporous films were successfully synthesized on Nb surfaces by the control anodization process in ethylene glycol containing 4 vol% HF and 2 vol% H2O2 electrolyte. The nanoporous films are characterized in detail by field-emission scanning electron microscopy(FESEM), transmission...

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Veröffentlicht in:稀有金属:英文版 2015 (2), p.77-80
1. Verfasser: Guang-Zhong Li Hui-Ping Tang Wen-Yan Zhang Gang Li Lan-Lan Yu Ya-Ning Li
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description Multilayer Nb2O5 nanoporous films were successfully synthesized on Nb surfaces by the control anodization process in ethylene glycol containing 4 vol% HF and 2 vol% H2O2 electrolyte. The nanoporous films are characterized in detail by field-emission scanning electron microscopy(FESEM), transmission electron microscopy(TEM), and X-ray diffraction(XRD). The Nb_2O_5 nanoporous films have a multilayer morphology with the side wall thickness of ~5 nm, irregular pores with a diameter of ~25 nm, and a length of up to 7.39 lm, depending on the anodization time. A mechanism for the multilayer Nb2O5 nanoporous formation was also discussed. These nanoporous materials can be very useful in the fields of solar cells, gas sensors, catalysts, optical filters, and capacitors.
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source Springer Nature - Complete Springer Journals; Alma/SFX Local Collection
subjects Nb2O5
制造
扫描电子显微镜
纳米多孔材料
纳米多孔膜
透射电子显微镜
阳极化
阳极氧化工艺
title Fabrication of multilayer Nb_2O_5 nanoporous film by anodization of niobium foils
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