Photoelectrochemical Performance of Nb-doped TiO<sub>2</sub> Nanoparticles Fabricated by Hydrothermal Treatment of Titanate Nanotubes in Niobium Oxalate Aqueous Solution

Photoelectrochemical Performance of Nb-doped TiO₂ Nanoparticles Fabricated by Hydrothermal Treatment of Titanate Nanotubes in Niobium Oxalate Aqueous Solution

Lizhen Long^1,², Liangpeng Wu¹, Xu Yang¹, Xinjun Li^1,^*

Fig. 2. SEM images of a TNTs, b undoped TiO 2 , c 0.1% Nb#cod#x02013;TiO 2 , d 1% Nb#cod#x02013;TiO 2 , e 2% Nb#cod#x02013;TiO 2 , and f the EDS of 1% Nb#cod#x02013;TiO 2 .