Ghunbong Cheung
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View article: Role of Surface States in Photocatalytic Oxygen Evolution with CuWO<sub>4</sub> Particles
Role of Surface States in Photocatalytic Oxygen Evolution with CuWO<sub>4</sub> Particles Open
CuWO4 is a medium bandgap (2.3 eV) n-type semiconductor capable of photoelectrochemical water oxidation under applied electrical bias. Here, we show for the first time that suspended microcrystals CuWO4 evolve oxygen photocatalytically und…
View article: Wavelength dependent photochemical charge transfer at the Cu<sub>2</sub>O–BiVO<sub>4</sub> particle interface – evidence for tandem excitation
Wavelength dependent photochemical charge transfer at the Cu<sub>2</sub>O–BiVO<sub>4</sub> particle interface – evidence for tandem excitation Open
Surface photovoltage spectroscopy resolves wavelength-dependent photochemical charge transfer between irregularly shaped BiVO4 and Cu2O particles for the first time.