Photocatalytic application of helium plasma induced nanostructured tungsten oxides

In this study, two photosensitive nanostructured photocatalysts (i.e. a nanostructured W sheet (WNano) and a nanostructured W thin film (WNTF), respectively) were fabricated by helium plasma irradiation. In addition, the photocatalytic activity was examined for the degradation of methylene blue unde...

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Published in:Japanese Journal of Applied Physics 2020-01, Vol.59 (SA), p.SAAB04
Main Authors: Feng, Shuangyuan, Kajita, Shin, Tomita, Yudai, Yoshida, Tomoko, Ohno, Noriyasu
Format: Article
Language:English
Subjects:
Catalytic activity
Helium plasma
Light irradiation
Methylene blue
Nanostructure
Photocatalysis
Photocatalysts
Photosensitivity
Roasting
Thin films
Tungsten
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cited_by cdi_FETCH-LOGICAL-c445t-970228dc17e0f37df928eb490a6b6dfbc46e6229058520d09e12c29568652cd93
cites cdi_FETCH-LOGICAL-c445t-970228dc17e0f37df928eb490a6b6dfbc46e6229058520d09e12c29568652cd93
container_end_page
container_issue SA
container_start_page SAAB04
container_title Japanese Journal of Applied Physics
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creator Feng, Shuangyuan
Kajita, Shin
Tomita, Yudai
Yoshida, Tomoko
Ohno, Noriyasu
description In this study, two photosensitive nanostructured photocatalysts (i.e. a nanostructured W sheet (WNano) and a nanostructured W thin film (WNTF), 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 WNano subjected to calcination at 573 K. The difference in the photocatalytic activities between WNano and WNTF was possibly caused by the difference in the surface area and the presence of a W/WO3 interface. Among the series of the WNano photocatalysts subjected to calcination at different temperatures, the localized surface plasmon resonance of nanostructured W was likely responsible for photocatalysis.
doi_str_mv 10.7567/1347-4065/ab4601
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subjects Catalytic activity
Helium plasma
Light irradiation
Methylene blue
Nanostructure
Photocatalysis
Photocatalysts
Photosensitivity
Roasting
Thin films
Tungsten
title Photocatalytic application of helium plasma induced nanostructured tungsten oxides
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