Table 1. The parameter and thermal barrier ΔE_a of Z → E thermal reversion.

	Kinetics Constant (k)	Half-life (τ1/2)	ΔEa
Para-AZO	0.295 s−1	2.35 s	0.79 eV
RGO-para-AZO	1.66 × 10−6 s−1	116 h	1.1 eV
Ortho-AZO	1.60 × 10−6 s−1	120 h	1.1 eV
RGO-ortho-AZO	3.56 × 10−8 s−1	5408 h	1.2 eV