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首页> 外文期刊>Science of advanced materials >Growth of Three-Dimensional TiO_2 Nanomembranes
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Growth of Three-Dimensional TiO_2 Nanomembranes

机译：三维TiO_2纳米膜的生长

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摘要

This paper presents the growth and characterization of butterfly-like TiO_2 nanomembrane structures (from about 10 to a few hundred nanometer thick and a few square microns in surface area). These nanostructures are grown on cobalt nanoclusters obtained from nanometer thick film deposited using the electron-beam physical-vapor-deposition (EBPVD) on soda-lime glass substrate. TiO_2 nanomembranes are composed of both rutile and anatase phases, and they are grown at 550 °C. Nanostructure growth is obtained with a low-pressure chemical vapor deposition (CVD) device using an organometallic precursor: Ti(OC_3H_7)_4. Both titanium and oxygen result from the decomposition of the same precursor, i.e., the titanium tetra-isopropoxide molecule (TIP). This decomposition is catalyzed by both ferrocen (Fe(C_5H_5)_2, an organometallic precursor) and cobalt which is annealed and agglomerated in nanoparticles on the glass surface. The structures are characterized with the use of Scanning Electron Microscopy, Energy Dispersive X-ray Spectroscopy and Transmission Electron Microscopy.
机译：本文介绍了蝴蝶状的TiO_2纳米膜结构（约10到数百纳米厚，表面积为几平方微米）的生长和表征。这些纳米结构在钴纳米团簇上生长，钴纳米团簇是通过使用电子束物理气相沉积（EBPVD）在钠钙玻璃基板上沉积的纳米厚膜获得的。 TiO_2纳米膜由金红石相和锐钛矿相组成，它们在550°C下生长。使用有机金属前体：Ti（OC_3H_7）_4，通过低压化学气相沉积（CVD）装置获得纳米结构生长。钛和氧均来自相同前体即四异丙氧基钛分子（TIP）的分解。该分解由二茂铁（Fe（C_5H_5）_2，一种有机金属前体）和钴催化，该钴在玻璃表面的纳米颗粒中退火并团聚。通过使用扫描电子显微镜，能量色散X射线光谱和透射电子显微镜来表征结构。

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  • 来源
    《Science of advanced materials》 |2011年第1期|p.102-106|共5页
  • 作者

    M. Lazar; D. Chaumont; Y. Lacroute; R. Chassagnon; I. Ciobanu; M. Sacilotti;

  • 作者单位

    CB, Universite de Bourgogne, BP 47 870, 21078 Dijon, France,Science and Materials Engineering Faculty, Transylvania University, 500036 Brasov, Romania;

    CB, Universite de Bourgogne, BP 47 870, 21078 Dijon, France;

    CB, Universite de Bourgogne, BP 47 870, 21078 Dijon, France;

    CB, Universite de Bourgogne, BP 47 870, 21078 Dijon, France;

    Science and Materials Engineering Faculty, Transylvania University, 500036 Brasov, Romania;

    CMN, FR 2604, Universite de Bourgogne, BP 47870, 21078 Dijon Cedex, France and FACEPE-DF-UFPE-Recife-Brazil;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    mocvd; tio_2; nanomembrane; nanomaterials; catalysis; titania.;

    机译：mocvd;tio_2;纳米膜纳米材料催化;二氧化钛。;

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