Synlett 2022; 33(02): 129-149
DOI: 10.1055/s-0040-1706042
account
EuCheMS Organic Division Young Investigator Workshop

Photocatalysis: A Green Tool for Redox Reactions

Robin Cauwenbergh
,
Shoubhik Das
We are very grateful to the DEHAUSSE Fellowship of the Department of Chemistry, University of Antwerp, for supporting Mr. Robin Cauwenbergh, and for a Francqui lecturer award to Professor Shoubhik Das.


Abstract

Reduction-and-oxidation (redox) reactions are one of the most utilized approaches for the synthesis of value-added compounds. With the growing awareness of green chemistry, researchers have searched for new and sustainable pathways for performing redox reactions. From this, a new field has gained tremendous attention, namely photoredox catalysis. Here, molecules can be easily oxidized or reduced with the use of one of Nature’s biggest resources: visible light. This tutorial paper gives the basics of photoredox catalysis along with limited examples to encourage further research in this blooming research area.

1 Introduction

2 Redox Chemistry

3 Photochemistry

3.1 Laws of Photochemistry

3.2 Principles

3.3 Examples

4 Photoredox Catalysis

4.1 General Principles

4.2 Classification of Redox Processes

4.3 Other Mechanistic Considerations

4.4 Stern–Volmer Plots

4.5 Photophysical Properties

4.6 Redox Potentials

5 Photocatalysts

5.1 Metal-Based Photocatalysts

5.2 Organic Dyes

5.3 Semiconductors

6 Dual Catalysis

7 Conclusions



Publication History

Received: 11 April 2021

Accepted after revision: 27 April 2021

Article published online:
09 June 2021

© 2021. Thieme. All rights reserved

Georg Thieme Verlag KG
Rüdigerstraße 14, 70469 Stuttgart, Germany