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. 2016 Jun 4;11:283. doi: 10.1186/s11671-016-1492-8

Fig. 4.

Fig. 4

It curves at 0.4 V for bare BiVO4 and NP-BiVO4 electrodes under a monochromatic light (500 nm) and c NIR light illumination. b Symbols: photocurrent enhancement for NP-BiVO4 electrode as a function of excitation wavelength. Solid curve: absorption spectrum of the Pd NPs stock solution