Enhanced electrochemical properties of Zn and V-doped TiO2 nanoparticles synthesized via non-aqueous sol–gel route for supercapacitor application

Unveiling the non-innocence of vanadium dopant in TiO2 nanocrystals for advanced energy storage and smart windows

“…As it is well-known, it is possible to assign the contribution from the bulk processes when scanning at low scan speeds, while surface processes dominate at high scan speeds [10,24]. These results, indicate that there is an improvement in the total charge of the NCs but especially in the superficial processes, in line with what has already been seen in the literature [33]. This contribution is correlated with the pseudo-capacitance storage mechanism previously reported for pristine [10] and other aliovalent doped TiO 2 NCs [10,29].…”

“…Among the possible dopants, vanadium (V) stands out as a promising candidate due to its high electrical conductivity and redox properties [31][32][33]. Vanadium oxides have been widely studied as electrochemical energy storage materials for supercapacitors and Li-ion batteries [34,35] because of their ability to undergo redox intercalation thanks to the various available oxidation states of vanadium (V-II).…”

Examining the photocatalytic and antioxidant properties of tripled doped Co-Ni-Zn TiO2 nanoparticles: A new class of nanocatalyst synthesized by chemically and biologically approach using microwave-assisted method

“…The stretching vibration of the -C-H can be used to explain the absorption seen at 1388-1392 cm -1 . This is probably because of organic surface impurities left over from alkoxide precursors (Pradeeswari et al, 2023). In the 1640-1658 cm -1 range, it is easy to see stretching vibrations of water and bending vibrations for water molecule that have been adsorbed in doped TiO2.…”