Anodic-hydrothermal preparation of prism-shaped CaTiO3 structure on titanium surface

被引：16
作者：
Zhang, Fen [1 ]
Chen, Shougang [1 ]
Lin, Chan [1 ]
Yin, Yansheng [2 ]
机构：
[1] Ocean Univ China, Inst Mat Sci & Engn, Qingdao 266100, Peoples R China
[2] Shanghai Maritime Univ, Inst Ocean Mat & Engn, Shanghai 200135, Peoples R China
来源：
APPLIED SURFACE SCIENCE | 2011年 / 257卷 / 07期
基金：
中国国家自然科学基金;
关键词：
Anodic-hydrothermal; CaTiO3; Structure; Nanomaterials; CALCIUM TITANATE CERAMICS; COATINGS; GEL; MICROSTRUCTURE; FILMS;
D O I：
10.1016/j.apsusc.2010.10.122
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The prism-shaped perovskite structure of CaTiO3 on titanium surface was fabricated by an anodic-hydrothermal method. Firstly, the TiO2 film was formed on Ti substrate by electrochemical anodization. Secondly, the anodized TiO2/Ti substrate was used as a template for the hydrothermal synthesis of CaTiO3 coating. The samples were characterized with X-ray diffraction, field emission scanning electron microscopy, transmission electron microscopy and energy-dispersive X-ray spectrum. The experimental results show that anodic TiO2 substrate and alkali environment are key factors for the formation of prism-shaped CaTiO3, and the NaOH concentrations plays an important role in determining the size and shape of CaTiO3 structures. Meanwhile, the CaTiO3 surfaces possess the better deposition ability of Ca and P in vitro. (C) 2010 Elsevier B.V. All rights reserved.
引用
收藏
页码：3092 / 3096
页数：5
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