Deposition of Ag/a-C:H nanocomposite films with Ag surface enrichment

被引：16

作者：

Vaidulych, Mykhailo ^{[1
]}

Hanus, Jan ^{[1
]}

Steinhartova, Tereza ^{[1
]}

Kylian, Ondrej ^{[1
]}

Choukourov, Andrei ^{[1
]}

Beranova, Jana ^{[2
]}

Khalakhan, Ivan ^{[1
]}

Biederman, Hynek ^{[1
]}

机构：

[1] Charles Univ Prague, Fac Math & Phys, V Holesovickach 2, CR-18000 Prague 8, Czech Republic

[2] Charles Univ Prague, Fac Sci, Prague, Czech Republic

来源：

PLASMA PROCESSES AND POLYMERS | 2017年 / 14卷 / 11期

关键词：

antibacterial coatings; gas aggregation sources; hard coatings; nanocomposites; nanoparticles; CARBON COATINGS; BIOMEDICAL APPLICATIONS; BIOLOGICAL EVALUATION; PLASMA; DLC; SIO2;

D O I：

10.1002/ppap.201600256

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The nanocomposite films Ag/a-C:H were prepared by vacuum-based method which combines deposition of Ag nanoparticles by means of gas aggregation source (GAS) and PECVD deposition of a-C:H matrix. The matrix was deposited in a mixture of Ar and n-hexane on the substrates placed on the powered RF electrode facing the beam of Ag NPs from the GAS. Anisotropic plasma etching was used to increase Ag concentration on the surface of the coating. The influence of three types of plasma on the chemical composition of the coatings and on the size of Ag nanoparticles is described. It is shown that the best etching selectivity and thus the highest Ag surface concentration was reached in case of etching of grounded samples in low pressure oxygen plasma. This treatment enhances the short term antibacterial efficiency of produced coatings.

引用

页数：8

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