. 2021 May 24;6(22):14174–14181. doi: 10.1021/acsomega.1c00765

Table 2. Fitting Parameters of the Fluorescence Anisotropy Decay Dynamics and the Radius Estimated by Different Methods.

		C-dots^MW	C-dots_sonicated^MW	C-dots_100°C^MW	C-dots_200°C^MW
fluorescence anisotropy^a	τ₁ (a₁)	0.32 ns(0.16)	1.57 ns (0.25)	0.31 ns (0.17)
	τ₂ (a₂)	1.82 ns (0.10)	22.5 ns (0.06)	1.91 ns (0.06)	0.20 ns (0.22)
	τ_s	0.39 ns	1.68 ns	0.37 ns
hydrodynamic radius estimated by τ₂^b		1.3 nm	2.9 nm	1.3 nm	0.7 nm
radius estimated by TEM		1.2 nm	1.5 nm	1.0 nm	0.9 nm

Fluorescence anisotropy, r(t) = a₁ × e^–t/τ1 + a₂ × e^–t/τ2.

T = 298 K and η = 0.89 cP.