Journal
SURFACE & COATINGS TECHNOLOGY
Volume 196, Issue 1-3, Pages 303-306Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.surfcoat.2004.08.190
Keywords
ion implementation; hydroxypatite; plasma treatment; contact angle
Ask authors/readers for more resources
Control of the hydrophilic properties of hydroxyapatite Ca-10(PO4)(6)(OH)(2) (HAp) is important for the use of biocompatible materials. From this standing point, hydroxyapatite was implanted with N-2(+), O-2(+) and Ar+ with 1 X 10(17)-1 X 10(21) ions m(-2) at an energy of 20 keV. It was also immersed in an RF plasma of Ar, C2H5OH, CH3OH and CF4 induced at RF power of 50-150 W. Contact angles for various specimens were measured and the formation mechanism of hydrophilic surfaces are discussed. Hydrophilic HAp surfaces were formed by N-2(+), O-2(+) and Ar+ implantations and plasma treatments of Ar, C2H5OH and CH3OH, with contact angles from 10 degrees to 60 degrees. Only the CF4 plasma treatment can form super-hydrophilic surfaces with contact angles of 4-8 degrees. The hydrophilic and super-hydrophilic formation mechanism was discussed based on analysis of XPS data. (c) 2004 Elsevier B.V. All rights reserved.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available