h-BN nanosheets as simple and effective additives to largely enhance the activity of Au/TiO2 plasmonic photocatalysts

Y. Ide; K. Nagao; K. Saito; K. Komaguchi; R. Fuji; A. Kogure; Y. Sugahara; Y. Bando; D. Golberg

doi:10.1039/C5CP05958E

h-BN nanosheets as simple and effective additives to largely enhance the activity of Au/TiO₂ plasmonic photocatalysts†

Y. Ide,*^ab K. Nagao,^b K. Saito,^b K. Komaguchi,^c R. Fuji,^d A. Kogure,^e Y. Sugahara,*^bfg Y. Bando^a and D. Golberg^a

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* Corresponding authors

^a International Center for Materials Nanoarchitectonics (WPI-MANA), National Institute for Materials Science (NIMS), Namiki 1-1, Tsukuba, Ibaraki 305-0044, Japan
E-mail: IDE.Yusuke@nims.go.jp

^b Graduate School of Creative Science and Engineering, Waseda University, 1-6-1 Nishiwaseda, Shinjuku-ku, Tokyo 169-8050, Japan

^c Graduate School of Engineering, Department of Applied Chemistry, Hiroshima University, Kagamiyama 1-4-1, Higashi-Hiroshima 739-8527, Japan

^d Shimadzu Cooperation, 380-1 Horiyamashita, Hadano-shi, Kanagawa 259-1304, Japan

^e Shimadzu Techno-Research, INC, 380-1 Horiyamashita, Hadano-shi, Kanagawa 259-1304, Japan

^f Department of Applied Chemistry, School of Advanced Science and Engineering, Waseda University, 3-4-1 Ohkubo, Shinjuku-ku, Tokyo 169-8555, Japan

^g Kagami Memorial Research Institute for Materials Science and Technology, Waseda University, 2-8-26 Nishiwaseda, Shinjuku-ku, Tokyo 169-0051, Japan

Abstract

The activity of Au nanoparticle-loaded P25 TiO₂ (Au/P25) plasmonic photocatalysts, evaluated by the oxidative decomposition of formic acid in water under visible light irradiation, was enhanced up to 3 times by simply mixing Au/P25 with photocatalytically inactive h-BN nanosheets as a result of electron transfer from photoexcited Au/TiO₂ to the h-BN nanosheets and retardation of the charge recombination.

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Article information

DOI: https://doi.org/10.1039/C5CP05958E
Article type: Communication
Submitted: 05 Oct 2015
Accepted: 04 Nov 2015
First published: 04 Nov 2015

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Phys. Chem. Chem. Phys., 2016,18, 79-83

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h-BN nanosheets as simple and effective additives to largely enhance the activity of Au/TiO₂ plasmonic photocatalysts

Y. Ide, K. Nagao, K. Saito, K. Komaguchi, R. Fuji, A. Kogure, Y. Sugahara, Y. Bando and D. Golberg, Phys. Chem. Chem. Phys., 2016, 18, 79 DOI: 10.1039/C5CP05958E

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Physical Chemistry Chemical Physics

h-BN nanosheets as simple and effective additives to largely enhance the activity of Au/TiO₂ plasmonic photocatalysts†

Abstract

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h-BN nanosheets as simple and effective additives to largely enhance the activity of Au/TiO₂ plasmonic photocatalysts

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Physical Chemistry Chemical Physics