Ka-band EMI Shielding Effectiveness of Ti3C2Tx MXene

A two-dimensional (2D) electromagnetic shielding material from the MXene family that is easy to print, has low mass density and excellent electromagnetic shielding properties has been developed. Titanium carbide MXene (Ti
3
C
2
T
x
) films with thicknesses ranging from 2.7 μm to 6 μm were developed and measured for Ka-band (26.5 GHz ~ 40 GHz) with applications as packaging material for fifth generation (5G) broadband wireless communication systems. As measurement suggests a better than 65.25 dB electromagnetic interference shielding effectiveness (EMI SE) and 81408 dB cm
²
g
⁻¹
specific shielding effectiveness (SSE/t) in Ka-band are achieved. These results suggest that Ti
3
C
2
T
x
film with 2.7 μm thickness outperforms conventional metals such as copper or aluminum often used for EM shielding for 5G applications.