Photocatalytic Water Reduction with Copper‐Based Photosensitizers: A Noble‐Metal‐Free System

Abstract

Of noble descent: A fully noble‐metal‐free system for the photocatalytic reduction of water at room temperature has been developed. This system consists of Cu^I complexes as photosensitizers and [Fe₃(CO)₁₂] as the water‐reduction catalyst. The novel Cu‐based photosensitizers are relatively inexpensive, readily available from commercial sources, and stable to ambient conditions, thus making them an attractive alternative to the widely used noble‐metal based systems.