Preparation of Highly Stable and Effective N-Doped TiO₂@SiO₂ Aerogel Catalyst for Degradation of Organic Pollutants by Visible Light Catalysis

Table 1

Specific surface area (S_BET), average diameter (d), and mesopore volume (V_p) of the aerogel samples.

Sample	SBET (m^2/g)	d (nm)	Vp (cm^3/g)
As-prepared TiN@SiO2	711	16.32	4.19
300-TiO2@SiO2	743	12.97	3.18
500-TiO2@SiO2	770	11.29	2.85
700-TiO2@SiO2	703	12.66	2.93