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Issue 17, 2016
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The effect of hydrazine intercalation on the structure and capacitance of 2D titanium carbide (MXene)

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Abstract

Herein we show that hydrazine intercalation into 2D titanium carbide (Ti3C2-based MXene) results in changes in its surface chemistry by decreasing the amounts of fluorine, OH surface groups and intercalated water. It also creates a pillaring effect between Ti3C2Tx layers pre-opening the structure and improving the accessability to active sites. The hydrazine treated material has demonstrated a greatly improved capacitance of 250 F g−1 in acidic electrolytes with an excellent cycling ability for electrodes as thick as 75 μm.

Graphical abstract: The effect of hydrazine intercalation on the structure and capacitance of 2D titanium carbide (MXene)

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Article information


Submitted
21 Feb 2016
Accepted
24 Mar 2016
First published
25 Mar 2016

Nanoscale, 2016,8, 9128-9133
Article type
Communication

The effect of hydrazine intercalation on the structure and capacitance of 2D titanium carbide (MXene)

O. Mashtalir, M. R. Lukatskaya, A. I. Kolesnikov, E. Raymundo-Piñero, M. Naguib, M. W. Barsoum and Y. Gogotsi, Nanoscale, 2016, 8, 9128
DOI: 10.1039/C6NR01462C

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