Term: photoreduction
https://doi.org/10.1351/goldbook.P04650

Definition:
Reduction reactions induced by light. Common processes are: 1, addition of one or more electrons to a photoexcited species; 2, the photochemical hydrogenation of a substance. Reactions in which the substrate is not electronically excited are sometimes called photoinitiated reductions.

Related Terms:
1) photooxidation (http://doi.org/10.1351/goldbook.P04640).

Source: PAC, 1996, 68, 2223. 'Glossary of terms used in photochemistry (IUPAC Recommendations 1996)' on page 2264 (https://doi.org/10.1351/pac199668122223)

Citation: 'photoreduction' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. https://doi.org/10.1351/goldbook.P04650

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