Rapid Photoreduction of Methyl Viologen with Visible Light using Metal‐Phthalocyanines as Sensitizers

Abstract
Metal phthalocyanines (MtPc), which are corresponding in their structure to the natural porphines, are interesting in solar energy conversion. The MtPc show activity as sensitizers in photoredox reactions with the aim of H2‐evolution from water. Methyl viologen is reduced through the MtPc effectively in quantum yields till 47% in an organic solvent/water mixture.
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