Visible light activated photocatalytic TaON coatings deposited via pulsed-DC magnetron sputtering

被引：7
|
作者：
Ratova, M. [1 ,2 ]
West, G. T. [2 ]
Kelly, P. J. [2 ]
机构：
[1] Sch Chem & Chem Engn, Belfast BT9 5AG, Antrim, North Ireland
[2] Manchester Metropolitan Univ, Surface Engn Grp, Manchester M1 5GD, Lancs, England
来源：
VACUUM | 2014年 / 109卷
关键词：
Tantalum oxynitride; Magnetron sputtering; Photocatalytic coatings; Visible light activity; Methylene blue; MESOPOROUS TANTALUM OXIDE; OXYNITRIDE; IRRADIATION; OXIDATION;
D O I：
10.1016/j.vacuum.2014.07.018
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Tantalum oxynitride coatings were deposited via reactive pulsed-DC magnetron sputtering. The nitrogen content in the coatings, governed by the flow rate of nitrogen gas, affected the resulting crystallinity of the annealed films and their optical band gap. The photocatalytic activity, as measured via organic dye degradation, was strongly linked to these properties, with those coatings containing the highest nitrogen levels exhibiting visible light activity. Upon comparison, this activity was found to be significantly higher than commercial titanium dioxide photocatalysts. (C) 2014 Elsevier Ltd. All rights reserved.
引用
收藏
页码：135 / 138
页数：4
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