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Screening of Heterogeneous Photocatalysts for Water Splitting

Von Wiley-VCH zur Verfügung gestellt

A screening reactor for the investigation of photocatalysts for photocatalytic water splitting was developed and validated with known photocatalysts, mainly based on titanium dioxide or C,N-materials. Up to four photocatalysts can be studied simultaneously with the same conditions, and the observed catalytic activity of test samples was consistent with the literature.


Abstract

In this contribution, a simple method for the screening of photocatalytic activity of catalyst materials is presented. The method is based on two steps: the immobilization of the photocatalyst and the subsequent testing of their photocatalytic activity, using the gas evolution at the solid-liquid interface. Up to four catalysts can be tested under the same conditions. The observed gas evolution for selected photocatalysts is consistent with trends reported in the literature from conventional photocatalytic reactors.

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