Photodesorption quantum yield

{
  "id": "MLC-T-CHM-008843",
  "term": "Photodesorption quantum yield",
  "field": "Chemistry",
  "definition": "The ratio of the number of molecules desorbed from a surface to the number of photons absorbed by the adsorbate-adsorbent system. This quantity measures the efficiency of a light-induced desorption process, where adsorbed species are released from a surface following electronic excitation by incident photons. The photodesorption quantum yield is a dimensionless number and its value is highly dependent on the wavelength of the incident radiation, the surface temperature, and the specific chemical nature of both the adsorbent and the adsorbate.",
  "subject": "Physical and Biophysical Chemistry",
  "see_also": [
    "extrinsic absorption",
    "extrinsic defect",
    "photodesorption"
  ],
  "references": [
    "PAC, 2011, 83, 931. 'Glossary of terms used in photocatalysis and radiation catalysis (IUPAC Recommendations 2011)' on page 970 (https://doi.org/10.1351/PAC-REC-09-09-36)"
  ],
  "url": "https://mlchart.com/terminology/chemistry/photodesorption-quantum-yield/"
}