XPS study of apatite-based coatings prepared by sol-gel technique

被引：151
作者：
Kaciulis, S
Mattogno, G
Pandolfi, L
Cavalli, M
Gnappi, G
Montenero, A
机构：
[1] CNR, Inst Mat Chem, I-00016 Monterotondo Scalo, Italy
[2] Univ Parma, Dept Chem, I-43100 Parma, Italy
来源：
APPLIED SURFACE SCIENCE | 1999年 / 151卷 / 1-2期
关键词：
biomaterial; apatite; XPS; sol-gel;
D O I：
10.1016/S0169-4332(99)00267-6
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：
Biocompatible layers of hydroxyapatite and fluorhydroxyapatite were grown on Ti substrates by means of dip-coating into sol-gel. In order to improve the adhesion of apatite-based coatings, the substrates were a priori covered with calcium titanate. Therefore, the hydroxyapatite, fluorhydroxyapatite and CaTiO3 coatings were produced and analysed. The chemical composition of the coatings (CaTiO3, CaTiO3 + hydroxyapatite, and CaTiO3 + fluorhydroxyapatite) was studied by using X-ray photoelectron spectroscopy (XPS). The data of quantitative XPS analysis displayed the different features (cleanness, homogeneity, etc.) of CaTiO3, hydroxyapatite, and fluorhydroxyapatite films after the growth and after the treatment in vitro. (C) 1999 Elsevier Science B.V. All rights reserved.
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页码：1 / 5
页数：5
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