Table 1.

Electromagnetic wave absorption properties of the plait-like CNC and T-CNC materials (Figure 8 and Figure 9).

Reactor setup	Sample	Optical RL value (dB)	$f_m$ (GHz) (optical RL)	Frequency range (RL<−10 and −20 dB)
quartz tube	plait-like CNCs	−20	15.96	9.01–18.0 GHz (−10 dB)
quartz tube placed inside a stainless steel tube	T-CNCs	−36.09	17.29	9.00–18.0 GHz (−10 dB) 9.00–17.2 GHz (−20 dB)