NH3 treatment of TiO2 nanotubes: from N-doping to semimetallic conductivity

Shaeel A. Al-Thabaiti; Robert Hahn; Ning Liu; Robin Kirchgeorg; Seulgi So; Patrik Schmuki; Sulaiman N. Basahel; Salem M. Bawaked

doi:10.1039/C4CC02069C

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NH₃ treatment of TiO₂ nanotubes: from N-doping to semimetallic conductivity†

Shaeel A. Al-Thabaiti,^a Robert Hahn,^b Ning Liu,^b Robin Kirchgeorg,^b Seulgi So,^b Patrik Schmuki,*^ab Sulaiman N. Basahel^a and Salem M. Bawaked^a

Author affiliations

* Corresponding authors

^a Department of Chemistry, King Abdulaziz University, Jeddah, Saudi Arabia
E-mail: schmuki@ww.uni-erlangen.de

^b Department of Materials Science and Engineering, WW4-LKO, University of Erlangen-Nuremberg, Martensstrasse 7, D-91058 Erlangen, Germany

Abstract

In the present work we show that a suitable high temperature ammonia treatment allows for the conversion of single-walled TiO₂ nanotube arrays not only to a N-doped photoactive anatase material (which is already well established), but even further into fully functional titanium nitride (TiN) tubular structures that exhibit semimetallic conductivity.

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Article information

DOI: https://doi.org/10.1039/C4CC02069C
Article type: Communication
Submitted: 19 Mar 2014
Accepted: 30 Apr 2014
First published: 01 May 2014

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Chem. Commun., 2014,50, 7960-7963

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NH₃ treatment of TiO₂ nanotubes: from N-doping to semimetallic conductivity

S. A. Al-Thabaiti, R. Hahn, N. Liu, R. Kirchgeorg, S. So, P. Schmuki, S. N. Basahel and S. M. Bawaked, Chem. Commun., 2014, 50, 7960 DOI: 10.1039/C4CC02069C

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