Quantum efficiency of photocatalytic activity by GaN films

Quantum efficiency of photocatalytic activity by GaN films

We have evaluated the quantum efficiency of photocatalytic activity by GaN films using methylene blue decomposition. The quantum efficiency of GaN was found to be comparable to that of TiO2, which is widely used as a general photocatalyst. These results suggest that GaN photocatalysts are effective...

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Main Authors: N. Shimosako, H. Sakama
Format: Article
Language:English
Published: AIP Publishing LLC 2021-02-01
Series:AIP Advances
Online Access:http://dx.doi.org/10.1063/5.0035628
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spelling doaj-f74a2598b7254e1a83c3e67da1a980e22021-03-02T21:48:03ZengAIP Publishing LLCAIP Advances2158-32262021-02-01112025019025019-510.1063/5.0035628Quantum efficiency of photocatalytic activity by GaN filmsN. Shimosako0H. Sakama1Department of Engineering and Applied Sciences, Sophia University, 7-1 Kioi-cho, Chiyoda-ku, Tokyo 102-8554, JapanDepartment of Engineering and Applied Sciences, Sophia University, 7-1 Kioi-cho, Chiyoda-ku, Tokyo 102-8554, JapanWe have evaluated the quantum efficiency of photocatalytic activity by GaN films using methylene blue decomposition. The quantum efficiency of GaN was found to be comparable to that of TiO2, which is widely used as a general photocatalyst. These results suggest that GaN photocatalysts are effective to decompose not only water but also toxic compounds. Optimized GaN photocatalysts are expected to show even higher photocatalytic activity.http://dx.doi.org/10.1063/5.0035628
collection DOAJ
language English
format Article
sources DOAJ
author N. Shimosako
H. Sakama
spellingShingle N. Shimosako
H. Sakama
Quantum efficiency of photocatalytic activity by GaN films
AIP Advances
author_facet N. Shimosako
H. Sakama
author_sort N. Shimosako
title Quantum efficiency of photocatalytic activity by GaN films
title_short Quantum efficiency of photocatalytic activity by GaN films
title_full Quantum efficiency of photocatalytic activity by GaN films
title_fullStr Quantum efficiency of photocatalytic activity by GaN films
title_full_unstemmed Quantum efficiency of photocatalytic activity by GaN films
title_sort quantum efficiency of photocatalytic activity by gan films
publisher AIP Publishing LLC
series AIP Advances
issn 2158-3226
publishDate 2021-02-01
description We have evaluated the quantum efficiency of photocatalytic activity by GaN films using methylene blue decomposition. The quantum efficiency of GaN was found to be comparable to that of TiO2, which is widely used as a general photocatalyst. These results suggest that GaN photocatalysts are effective to decompose not only water but also toxic compounds. Optimized GaN photocatalysts are expected to show even higher photocatalytic activity.
url http://dx.doi.org/10.1063/5.0035628
work_keys_str_mv AT nshimosako quantumefficiencyofphotocatalyticactivitybyganfilms
AT hsakama quantumefficiencyofphotocatalyticactivitybyganfilms
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