Solar production of H2O2 on reduced graphene oxide–TiO2 hybrid photocatalysts consisting of earth-abundant elements only

Gun-hee Moon; Wooyul Kim; Alok D. Bokare; Nark-eon Sung; Wonyong Choi

doi:10.1039/C4EE02757D

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Solar production of H₂O₂ on reduced graphene oxide–TiO₂ hybrid photocatalysts consisting of earth-abundant elements only†

Gun-hee Moon,^a Wooyul Kim,^a Alok D. Bokare,^a Nark-eon Sung^b and Wonyong Choi*^a

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* Corresponding authors

^a Department of Chemical Engineering and School of Environmental Science and Engineering, Pohang University of Science and Technology (POSTECH), Pohang, Republic of Korea
E-mail: wchoi@postech.edu

^b Pohang Accelerator Laboratory (PAL), Pohang, Republic of Korea

Abstract

A superior cocatalytic behavior of reduced graphene oxide (rGO) was observed for the photocatalytic production of H₂O₂ in the TiO₂-based system. The adsorption of phosphate on TiO₂ enhanced the production of H₂O₂ up to a millimolar level. The in situ formation of cobalt phosphate on rGO/TiO₂ enabled the photocatalytic production of H₂O₂ even in the absence of organic electron donors.

This article is part of the themed collection: 2020 EES Lectureship Winner: Wooyul Kim

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Article information

DOI: https://doi.org/10.1039/C4EE02757D
Article type: Communication
Submitted: 30 8 2014
Accepted: 20 10 2014
First published: 20 10 2014

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Energy Environ. Sci., 2014,7, 4023-4028

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Solar production of H₂O₂ on reduced graphene oxide–TiO₂ hybrid photocatalysts consisting of earth-abundant elements only

G. Moon, W. Kim, A. D. Bokare, N. Sung and W. Choi, Energy Environ. Sci., 2014, 7, 4023 DOI: 10.1039/C4EE02757D

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