Catalyst photoactivation

Term · Chemistry · MLC-T-CHM-001708

A change in a material's catalytic behaviour brought about by exposure to light, creating or modifying its activity or selectivity. In the usual sense the catalysed reaction itself runs in the dark after the illumination has stopped, for example when light converts a precatalyst into its active form. This separates it from photocatalysis, in which the catalyst works only while it absorbs light.

Table 1. Record
Identifier	MLC-T-CHM-001708
Field	Chemistry
Subject	Physical and Biophysical Chemistry
Synonyms	catalyst photomodification
References	PAC, 2011, 83, 931. 'Glossary of terms used in photocatalysis and radiation catalysis (IUPAC Recommendations 2011)' on page 943 (https://doi.org/10.1351/PAC-REC-09-09-36)

Record as JSON

{
  "id": "MLC-T-CHM-001708",
  "term": "Catalyst photoactivation",
  "field": "Chemistry",
  "definition": "A change in a material's catalytic behaviour brought about by exposure to light, creating or modifying its activity or selectivity. In the usual sense the catalysed reaction itself runs in the dark after the illumination has stopped, for example when light converts a precatalyst into its active form. This separates it from photocatalysis, in which the catalyst works only while it absorbs light.",
  "synonyms": [
    "catalyst photomodification"
  ],
  "subject": "Physical and Biophysical Chemistry",
  "references": [
    "PAC, 2011, 83, 931. 'Glossary of terms used in photocatalysis and radiation catalysis (IUPAC Recommendations 2011)' on page 943 (https://doi.org/10.1351/PAC-REC-09-09-36)"
  ],
  "url": "https://mlchart.com/terminology/chemistry/catalyst-photoactivation/"
}

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