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This paper analyzes the different reaction pathways that play major roles in the process of photocatalytic degradation, and presents a novel microfluidic photoelectrocatalytic reactor for selective control of them. This is accomplished by applying positive or negative bias potential to the photocatalytic reaction chamber and to select either the hole-driven or electron-driven oxidation pathway. The...
In this paper, the experimental studies utilize the photoelectrocatalytic effect to eliminate another fundamental limit of photocatalysis - the recombination of photo-excited electrons and holes. Two transparent ITO glass slides are used as eletrodes and both the positive and negative bias potentials are applied across the reaction chamber. It turns out that the negative bias always exhibits higher...
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