The Influence of Thermal Conditions on V₂O₅ Nanostructures Prepared by Sol-Gel Method

Table 1

Infrared peak positions and bond attributions in sample annealed at different temperatures and the comparison with the earlier literature reports.

Bonding	IR peak positions (cm^−1)							Respective references
	Values obtained for powder samples heated at				Literature values and annealing temperature
	300°C	350°C	500°C	600°C	170°C	400°C	600°C
V–O–V bending	488	488	497	495	450	476		[23, 24]
V–O–V stretching symmetric	622	619	626	586	606	591	526	[23–25]
V–O–V stretching asymmetric	839	834	832	822	824	822	834	[23–25]
V=O stretching symmetric	1020	1020	1020	1020	1017	1018	1021	[23–25]
C–H bending (scissoring)	1384	1383	1383	—	1379			[23]
C=O stretching	1627	1650	1634	—	1633			[23]