| Property | Value | |----------|-------| | BET surface area | 352 ± 12 m² g⁻¹ | | Pore volume (BJH) | 0.68 cm³ g⁻¹ | | Average pore diameter | 3.9 nm | | Glass transition (T_g) | 140 ± 2 °C (DSC) | | Decomposition onset | 320 °C (TGA, 5 % mass loss) | | Optical band gap (Tauc plot) | 2.78 eV |