In situ environmental transmission electron microscopy study of oxidation of two-dimensional Ti3C2 and formation of carbon-supported TiO2

H. Ghassemi; W. Harlow; O. Mashtalir; M. Beidaghi; M. R. Lukatskaya; Y. Gogotsi; M. L. Taheri

doi:10.1039/C4TA02583K

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In situ environmental transmission electron microscopy study of oxidation of two-dimensional Ti₃C₂ and formation of carbon-supported TiO₂†

H. Ghassemi,^a W. Harlow,^a O. Mashtalir,^a M. Beidaghi,^a M. R. Lukatskaya,^a Y. Gogotsi^a and M. L. Taheri*^a

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* Corresponding authors

^a Department of Materials Science and Engineering, A.J. Drexel Nanomaterials Institute, Drexel University, Philadelphia, PA 19104, USA
E-mail: mtaheri@coe.drexel.edu

Abstract

Two-dimensional Ti₃C₂, also known as “MXene”, was oxidized in air under two different oxidizing regimes in order to produce carbon-supported TiO₂. In situ TEM analysis coupled with Raman spectroscopy revealed the formation of either anatase nanoparticles or planar rutile nanocrystals, which were controlled by the time, temperature and heating rate.

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Article information

DOI: https://doi.org/10.1039/C4TA02583K
Article type: Communication
Submitted: 23 May 2014
Accepted: 04 Jul 2014
First published: 08 Jul 2014

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J. Mater. Chem. A, 2014,2, 14339-14343

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In situ environmental transmission electron microscopy study of oxidation of two-dimensional Ti₃C₂ and formation of carbon-supported TiO₂

H. Ghassemi, W. Harlow, O. Mashtalir, M. Beidaghi, M. R. Lukatskaya, Y. Gogotsi and M. L. Taheri, J. Mater. Chem. A, 2014, 2, 14339 DOI: 10.1039/C4TA02583K

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Journal of Materials Chemistry A