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Chem Commun (Camb). 2014 Jul 28;50(59):7960-3. doi: 10.1039/c4cc02069c.

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

Chemical communications (Cambridge, England)

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

Affiliations

  1. Department of Chemistry, King Abdulaziz University, Jeddah, Saudi Arabia. [email protected].

PMID: 24918106 DOI: 10.1039/c4cc02069c

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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