Issue 18, 2020

Improving the properties of 2D titanium carbide films by thermal treatment

Abstract

As a star of the MXene materials, 2D titanium carbide (Ti3C2Tx) has attracted broad interest from worldwide researchers in view of its potential application in energy storage, chemical sensing, electromagnetic interference shielding and flexible electronics. In order to further improve performances and satisfy the needs of emerging flexible applications, there is an urgent need to increase the electronic conductivity, environmental stability and flexibility of Ti3C2Tx film. Herein, a two-stage thermal treatment process in an argon atmosphere at low temperature (300 °C) is proposed to address this challenge. The resulting Ti3C2Tx film shows a 16-fold increase in electronic conductivity, while its environmental stability and flexibility are also greatly enhanced. Furthermore, systematic investigation into the microstructure and variations of Ti3C2Tx films before and after thermal treatment shed light on the underlying mechanism, which contributes to a deeper understanding of MXene properties and offers general guidance for improving the performance of MXene films.

Graphical abstract: Improving the properties of 2D titanium carbide films by thermal treatment

Supplementary files

Article information

Article type
Paper
Submitted
25 Dec 2019
Accepted
23 Mar 2020
First published
25 Mar 2020

J. Mater. Chem. C, 2020,8, 6214-6220

Improving the properties of 2D titanium carbide films by thermal treatment

H. Tang, Y. Yang, R. Wang and J. Sun, J. Mater. Chem. C, 2020, 8, 6214 DOI: 10.1039/C9TC07018D

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