Photocatalytic application of helium plasma induced nanostructured tungsten oxides

被引：5
作者：
Feng, Shuangyuan [1 ]
Kajita, Shin [2 ]
Tomita, Yudai [1 ]
Yoshida, Tomoko [3 ]
Ohno, Noriyasu [1 ]
机构：
[1] Nagoya Univ, Grad Sch Engn, Chikusa Ku, Nagoya, Aichi 4648603, Japan
[2] Nagoya Univ, Inst Mat & Syst Sustainabil, Chikusa Ku, Nagoya, Aichi 4648603, Japan
[3] Osaka City Univ, Adv Res Inst Nat Sci & Technol, Sumiyoshi Ku, Osaka 5588585, Japan
来源：
JAPANESE JOURNAL OF APPLIED PHYSICS | 2020年 / 59卷
关键词：
METHYLENE-BLUE; HYDROGEN-PRODUCTION; ADSORPTION; REDUCTION; OXYGEN; WATER; TIO2; GOLD;
D O I：
10.7567/1347-4065/ab4601
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
In this study, two photosensitive nanostructured photocatalysts (i.e. a nanostructured W sheet (W-Nano) and a nanostructured W thin film (W-NTF), respectively) were fabricated by helium plasma irradiation. In addition, the photocatalytic activity was examined for the degradation of methylene blue under visible light irradiation. The result revealed that the highest photocatalytic activity is observed for W-Nano subjected to calcination at 573 K. The difference in the photocatalytic activities between W-Nano and W-NTF was possibly caused by the difference in the surface area and the presence of a W/WO3 interface. Among the series of the W-Nano photocatalysts subjected to calcination at different temperatures, the localized surface plasmon resonance of nanostructured W was likely responsible for photocatalysis. (c) 2019 The Japan Society of Applied Physics
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页数：6
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