Nitrogen Plasma Source Ion Implantation (PSII) for improvement of blood-compatibility of silicon

P. Yang*, G. J. Wan, X. Xie, Y. X. Leng, H. F. Zhou, P. K. Chu, N. Huang*

*Corresponding author for this work

    Research output: Journal Publications and ReviewsRGC 21 - Publication in refereed journalpeer-review

    2 Citations (Scopus)

    Abstract

    Nitrogen is implanted into silicon wafers using a Plasma Source Ion Implantation (PSII) device and then the silicon wafer is annealing by heat treatment. The implantation is carried out at a target bias of -30 keV. The effects of high voltage nitrogen implantation on the silicon structure, wettability and bloodcompatibility are investigated. After nitrogen implantation, the silicon wafer is seen to possess an amorphous structure and to be more hydrophilic. Blood compatibility of the silicon wafer is improved by nitrogen implantation and annealing. It is suggested that this improvement of blood compatibility is related to the surface wettability. © 2005 Trans Tech Publications Ltd. All Rights Reserved
    Original languageEnglish
    Pages (from-to)335-338
    JournalKey Engineering Materials
    Volume288-289
    Online published15 Jun 2005
    DOIs
    Publication statusPublished - 2005

    Research Keywords

    • Bloodcompatibility
    • Nitrogen-implanted silicon
    • Plasma source ion implantation (PSII)

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