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(A). TEM of PBG Au/TiO2 photocatalyst. (B). Particle size distribution of Au and TiO2 particles in the PBG Au/TiO2 photocatalyst. (C). XPS Au4f for two PBG Au/TiO2 photo-catalysts (the atomic % of Au was 0.55 and 0.51 for PBG-585 nm (i) and PBG-357 nm (ii) respectively). (D) and (E). High Resolution TEM of 2 and 4 wt.% Au of the PBG Au/TiO2 catalysts indicating the uniform distribution of Au particles at both loads of Au.
