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TiO2-RGO hybrid nanomaterials for enhanced water splitting reaction

Nagaraju, G and Manjunath, K and Sarkar, S and Gunter, E and Teixeira, Sergio R and Dupont, J (2015) TiO2-RGO hybrid nanomaterials for enhanced water splitting reaction. In: INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, 40 (36). pp. 12209-12216.

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Official URL: http://dx.doi.org/10.1016/j.ijhydene.2015.07.094

Abstract

The production of H-2 via photocatalytic water splitting reaction has attracted a great attention as a clean and renewable energy for next generation. Despite tremendous efforts, the present challenge for materials scientist is to develop highly active photo catalysts for splitting of water at low cost. This article reports the synthesis of TiO2-reduced graphene oxide hybrid nanomaterials through ionothermal method using functionalized ionic liquid for the enhanced hydrogen generation via water splitting reaction. The structural and morphological properties of the samples were investigated by XFtD, Raman spectroscopy, TG-DTA, UV-vis spectroscopy and TEM. A substantial increase of H-2 evolution was observed for TiO2-reduced graphene oxide hybrid nanomaterials. This is due to the high migration efficiency of photo-induced electrons and the inhibition of charge carrier recombination due to the electronic interaction between TiO2 and reduced graphene oxide. i.e, reduced graphene oxide acts as an electron-acceptor which effectively hinders the electron hole pair recombination of TiO2. Copyright (C) 2015, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.

Item Type: Journal Article
Additional Information: Copy right for this article belongs to the PERGAMON-ELSEVIER SCIENCE LTD, THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
Keywords: Hydrogen generation; Nanoparticles; Ionic liquids; Water splitting; Ionothermal
Department/Centre: Division of Chemical Sciences > Inorganic & Physical Chemistry
Depositing User: Id for Latest eprints
Date Deposited: 15 Oct 2015 06:11
Last Modified: 15 Oct 2015 06:11
URI: http://eprints.iisc.ac.in/id/eprint/52550

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