Structural characterization of vanadium oxide catalysts supported on nanostructured silica SBA-15 using X-ray absorption spectroscopy

Table 1 N₂ physisorption analysis of supported vanadium oxide samples.

	Vanadium loading on SBA-15			S_BET	d_p	V_p
	(wt %)	V atoms/nm²	(mmol/g)	(m²/g)	(nm)	(mL/g)
SBA-15	-	-	-	897	7.0	1.1
2.7 wt % V/SBA-15	2.7	0.7	0.53	445	6.7	0.5
5.4 wt % V/SBA-15	5.4	1.4	1.05	440	6.6	0.5
10.8 wt % V/SBA-15	10.8	4.7	2.12	273	5.5	0.3

Vanadium loading, surface area (S_BET), pore diameter (d_P), and pore volume (V_P) of SBA-15 and vanadium oxides supported on SBA-15. Details have been presented in Ref [10].

ISSN: 2661-801X