Ionic liquid-templated preparation of mesoporous silica embedded with nanocrystalline sulfated zirconia

Table 1 Physical properties of the prepared mesoporous sulphated silica-zirconia materials

Sample	Added Zr (wt.%)	Zr loading^a(wt.%)	Si/Zr (mol/mol)	Sulphur loading^b(wt.%)	Zr/S	Surface area (m²/g)	Pore volume (cm³/g)	Pore diameter (Å)
1	-	-	∞	-	-	709	0.819	46.15
2	2.2	1.01	148	0.05	7.1	435	1.343	123.52
3	3.6	1.34	111	0.10	4.7	416	1.291	124.23
4	7.9	2.43	60	0.33	2.6	482	1.166	96.89
5	10.9	5.29	27	0.28	6.6	470	1.075	91.47
6	25.0	15.35	7.8	0.73	7.4	424	1.167	110.08
7	39.5	26.89	3.6	1.08	8.8	378	0.763	80.73
8	45.0	27.77	3.4	1.22	8.0	380	0.558	58.63
9	61.5	41.40	1.6	1.69	8.6	343	0.430	50.23