Novel homogeneous photocatalyst for oxygen to hydrogen peroxide reduction in aqueous media†
Alexander S.
Konev, 
*a
Alexey V.
Povolotskiy,
a
Anatoliy A.
Vereshchagin,
a
Oleg V.
Levin
a
and
Alexander F.
Khlebnikov
a
*a
Alexey V.
Povolotskiy,
a
Anatoliy A.
Vereshchagin,
a
Oleg V.
Levin
a
and
Alexander F.
Khlebnikov
a
Abstract
An isoquinolinium-pyrrole donor–acceptor dyad was found to exhibit photocatalytic activity in oxygen-to-peroxide photoreduction with oxalate as a sacrificial electron donor. The concentration of hydrogen peroxide was shown to reach a plateau of 0.57 mM. The screening of related pyridinium-pyrrole dyads showed the importance of the isoquinoline moiety in securing the photocatalytic activity.
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