Highly efficient single-crystalline NaNb1-XTaXO3 (X = 0.125) wires: The synergistic effect of tantalum-doping and morphology on photocatalytic hydrogen evolution
Qianqian Liua,*(), Quan Zhangb, Lu Zhangb, Wei-Lin Daib,*()

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Fig. 8.. UV-vis diffuse-reflectance spectra of different NaNb1-XTaXO3 photocatalysts (a) and the plot of (ahν)n vs. photon energy () of NaNbO3 (b), NaTaO3 (c).