Evaluation of antimicrobial abilities of Cr2N/Cu multilayered thin films

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Title:	Evaluation of antimicrobial abilities of Cr2N/Cu multilayered thin films
Authors:	Chang, Y.J. 張育傑 Li, C.L. Lee, J.W*. Wu, F.B. Chang, L.C.
Contributors:	臺北市立教育大學地球環境暨生物資源學系
Keywords:	Cr2N/Cu multilayered coating Antibacterial tests Bilayer periods
Date:	2010-10
Issue Date:	2012-06-28 13:33:58 (UTC+8)
Abstract:	Nine kinds of nanostructured Cr2N/Cu multilayer thin films were deposited by the bipolar asymmetry reactive pulsed DC magnetron sputtering system. The antibacterial tests of coatings with various bilayer periods (Λ) and different Cr2N/Cu thickness ratios were performed to evaluate the bactericidal ability by E. coli, S. aureus and P. aeruginosa, respectively. The Λ value, thickness values of Cr2N to Cu layers significantly affected the bactericidal rates. The 100% bactericidal rates were achieved when the Λ value reached 20 nm. For the same Λ = 12 nm Cr2N/Cu multilayered coatings, the thickness ratio of Cr2N to Cu also showed strong influence on the bactericidal rates.
Relation:	Thin Solid Films Volume 518, Issue 24 Pages 7551–7556
Appears in Collections:	[Department of Earth and Life Science] Periodical Articles

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