Synthesis of free-standing Ta3N5 nanotube membranes and flow-through visible light photocatalytic applications

Lei Wang; Anca Mazare; Imgon Hwang; Seulgi So; Nhat Truong Nguyen; Patrik Schmuki

doi:10.1039/C7CC06889A

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Synthesis of free-standing Ta₃N₅ nanotube membranes and flow-through visible light photocatalytic applications†

Lei Wang,

^ab Anca Mazare,

^a Imgon Hwang,^a Seulgi So,^ac Nhat Truong Nguyen

^a and Patrik Schmuki

*^ad

Author affiliations

* Corresponding authors

^a Department of Materials Science and Engineering, WW4-LKO, University of Erlangen-Nuremburg, Martensstrasse 7, D-91058 Erlangen, Germany
E-mail: schmuki@ww.uni-erlangen.de

^b State Key Laboratory for Oxo Synthesis and Selective Oxidation, National Engineering Research Center for Fine Petrochemical Intermediates, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, 730000 Lanzhou, China

^c Department of Chemistry, University of California, Irvine, USA

^d Department of Chemistry, King Abdulaziz University, Jeddah, Saudi Arabia

Abstract

We report on free-standing Ta₃N₅ nanotubular membranes with open top and bottom, used as visible-light-active, flow-through photocatalytic micro-reactors. We grow first a robust anodic Ta₂O₅ layer, lift-off a membrane and convert to Ta₃N₅. Such membranes can easily, in a flow-through mode, degrade methylene blue under visible light (wavelength >400 nm) or solar illumination.

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Article information

DOI: https://doi.org/10.1039/C7CC06889A
Article type: Communication
Submitted: 15 Sep 2017
Accepted: 03 Oct 2017
First published: 03 Oct 2017

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Chem. Commun., 2017,53, 11763-11766

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Synthesis of free-standing Ta₃N₅ nanotube membranes and flow-through visible light photocatalytic applications

L. Wang, A. Mazare, I. Hwang, S. So, N. Truong Nguyen and P. Schmuki, Chem. Commun., 2017, 53, 11763 DOI: 10.1039/C7CC06889A

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