Highly efficient single-crystalline NaNb_1-_XTa_XO₃ (X = 0.125) wires: The synergistic effect of tantalum-doping and morphology on photocatalytic hydrogen evolution

Qianqian Liu^a^,^*(

), Quan Zhang^b, Lu Zhang^b, Wei-Lin Dai^b^,^*(

)

Fig. 4.. EPR spectrum at 103 K (a) and crystal structure of NaNb_0.875Ta_0.125O₃ ( NbO₆ unit, TaO₆ unit) (b).