photodissociation
Sign in to saveAlso known as photolysis, photodecomposition, photo-dissociation
Photodissociation, photolysis, photodecomposition, or photofragmentation is a chemical reaction in which molecules of a chemical compound are broken down by absorption of light (photons). It is defined as the interaction of one or more photons with one target molecule that dissociates into two fragments.
In the Vinony graph
Vinony's link graph records 450 inbound references to photodissociation, and connects out to ultraviolet radiation, redox and radical.
Vinony files it under Chemical reactions, Concepts in astrophysics and Photochemistry.
Vinony links it to 38 Wikipedia language editions.
Research
5,059 papers- Photodissociation mass spectrometry: new tools for characterization of biological molecules.Chemical Society reviews · 2014
- Photodissociation-driven photoacoustic spectroscopy with UV-LEDs for ozone detection.Photoacoustics · 2025
- Photodissociation Spectroscopy and Photofragment Imaging of the Mg(+)(Benzene) Complex.The journal of physical chemistry. A · 2024
- Molecular photodissociation enabled by ultrafast plasmon decay.The Journal of chemical physics · 2021
- Photodissociation of dicarbon: How nature breaks an unusual multiple bond.Proceedings of the National Academy of Sciences of the United States of America · 2021
via PubMed
Wikidata facts
- Subclass of
- dissociation
Show 2 more facts
- described by source
- Granat Encyclopedic Dictionary
- different from
- photodisintegration
via Wikidata · CC0
~6 min read
Encyclopedic overview
7 sectionsContents
- Photoinduced proton transfer
- Photolysis in the atmosphere
- Astrophysics
- Atmospheric gamma-ray bursts
- Multiple-photon dissociation
- See also
- References
Photodissociation, photolysis, photodecomposition, or photofragmentation is a chemical reaction in which molecules of a chemical compound are broken down by absorption of light (photons). It is defined as the interaction of one or more photons with one target molecule that dissociates into two fragments.
Here, “light” is broadly defined as radiation spanning the vacuum ultraviolet (VUV), ultraviolet (UV), visible, and infrared (IR) regions of the electromagnetic spectrum. To break covalent bonds, photon energies corresponding to visible, UV, or VUV light are typically required, whereas IR photons may be sufficiently energetic to detach ligands from coordination complexes or to fragment supramolecular complexes.
Excerpted from Wikipedia’s “photodissociation” article, available under the CC BY-SA 4.0 licence.