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Honeycomb-shaped carbon nanotube supports for BiVO4 based solar water splitting

Abstract

Advances in the synthesis and assembly of nanomaterials offer a unique opportunity to purposefully design structures according to the requirements of the targeted applications. This paper shows a process to create robust 3D carbon nanotubes (CNT) structures, which provide an electrically conductive support for nanoparticle coating. We describe a process to reliably fabricate robust honeycomb structures with walls made out of aligned CNTs. We present a design of experiment analysis of this fabrication process and discuss methods to coat these honeycombs with BiVO4 for solar fuel applications. The proposed honeycomb structure allows for an efficient transport of electrons through the electrode, as well as an enhanced light-electrode interaction. Finally, we demonstrate that the developed CNT electrodes can survive harsh BiVO4 synthesis conditions and can subsequently be used as photoelectrodes for solar water splitting.

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Publication details

The article was received on 06 Aug 2019, accepted on 22 Oct 2019 and first published on 23 Oct 2019


Article type: Paper
DOI: 10.1039/C9NR06737J
Nanoscale, 2019, Accepted Manuscript

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    Honeycomb-shaped carbon nanotube supports for BiVO4 based solar water splitting

    S. Jessl, J. Rongé, D. Copic, M. A. Jones, J. Martens and M. De Volder, Nanoscale, 2019, Accepted Manuscript , DOI: 10.1039/C9NR06737J

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