Efficient Energy and Electron Transfer Photocatalysis with a Coulombic Dyad DOI Creative Commons
Matthias Schmitz, Maria‐Sophie Bertrams, Arne C. Sell

et al.

Published: March 19, 2024

Photocatalysis holds great promise for changing the way how value-added molecules are currently prepared. However, many photocatalytic reactions suffer from lousy quantum yields, hampering transition lab-scale to large-scale or even industrial applications. Molecular dyads can be designed such that beneficial properties of inorganic and organic chromophores combined, resulting in milder reaction conditions improved yields reactions. We have developed a novel approach obtaining advantages molecular without time- resource-consuming synthesis these tailored photocatalysts. Simply by mixing cationic ruthenium complex with an anionic pyrene derivative water salt bichromophore is produced owing electrostatic interactions. The long-lived triplet state obtained static quantitative energy transfer preorganized complex. exploited this so-called Coulombic dyad catalysis similar reactivity higher photostability compared reference photosensitizers several photooxygenations. In addition, it was shown system also used maximize yield photoredox This due intrinsically cage escape after photoinduced electron purely compounds heavy atom-containing molecules. combination laboratory-scale as well mechanistic irradiation experiments detailed spectroscopic investigations provided deep insights into easy-to-use photocatalyst class.

Language: Английский

From photons to reactions: key concepts in photoredox catalysis DOI

Simon De Kreijger,

Felix Glaser, Ludovic Troian‐Gautier

et al.

Chem Catalysis, Journal Year: 2024, Volume and Issue: unknown, P. 101110 - 101110

Published: Sept. 1, 2024

Language: Английский

Citations

6
Efficient Energy and Electron Transfer Photocatalysis with a Coulombic Dyad DOI Creative Commons
Matthias Schmitz, Maria‐Sophie Bertrams, Arne C. Sell

et al.

Published: March 19, 2024

Photocatalysis holds great promise for changing the way how value-added molecules are currently prepared. However, many photocatalytic reactions suffer from lousy quantum yields, hampering transition lab-scale to large-scale or even industrial applications. Molecular dyads can be designed such that beneficial properties of inorganic and organic chromophores combined, resulting in milder reaction conditions improved yields reactions. We have developed a novel approach obtaining advantages molecular without time- resource-consuming synthesis these tailored photocatalysts. Simply by mixing cationic ruthenium complex with an anionic pyrene derivative water salt bichromophore is produced owing electrostatic interactions. The long-lived triplet state obtained static quantitative energy transfer preorganized complex. exploited this so-called Coulombic dyad catalysis similar reactivity higher photostability compared reference photosensitizers several photooxygenations. In addition, it was shown system also used maximize yield photoredox This due intrinsically cage escape after photoinduced electron purely compounds heavy atom-containing molecules. combination laboratory-scale as well mechanistic irradiation experiments detailed spectroscopic investigations provided deep insights into easy-to-use photocatalyst class.

Language: Английский

Citations

2