Thermal Diffusivity of Ti3C2Tx@C Nanocoils


Thermal diffusivity
Thermal conductivity

How to Cite

Li Y, Wu F, Zhao S, Deng C. Thermal Diffusivity of Ti3C2Tx@C Nanocoils. J. Adv. Therm. Sci. Res. [Internet]. 2021 Dec. 27 [cited 2022 May 21];8:62-70. Available from:


Ti3C2Tx MXene is an emerging 2D material with excellent electrical and electrochemical properties. Carbon Nanocoil (CNC) is a quasi 1D material with unique helical morphology, which shows remarkable advantages in mechanical and electromagnetic properties. In this work, we designed a Ti3C2Tx@C nanocoil (CMNC) by coating Ti3C2Tx flakes on the surface of CNC for better application performance. The thermophysical properties of single CMNCs were investigated using a transient eletrothermall (TET) technique. The average room temperature thermal diffusivity and thermal conductivity of CMNCs were measured to be 8×10-6 m2/s and 15.6 W/m K, which are one order of magnitude higher than those of CNCs, due to successful coating of MXene on the surface of CNC. However, enhancement of electrical properties brought by MXene coating is much smaller than those of thermal properties. Variable temperature characterization from 298 to 334 K reveals an increasing trend of thermal diffusivity and thermal conductivity with temperature increasing, which is attributed to the interaction and heat transfer between MXene and CNCs. MXene coating provides better thermal management performance for practical applications of CNCs, such as wave absorbing.


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Copyright (c) 2022 Yeti Li, Fengming Wu, Siqi Zhao, Chenghao Deng