Downconversion

{
  "id": "MLC-T-CHM-003424",
  "term": "Downconversion",
  "field": "Chemistry",
  "definition": "The process where a high-energy photon is absorbed by a material, and its energy is subsequently re-emitted as two or more lower-energy photons. This phenomenon is observed in certain phosphors and semiconductor nanocrystals. The total energy of the emitted photons is less than or equal to the energy of the absorbed photon, with the difference often dissipated as heat.",
  "subject": "Organic and Biomolecular Chemistry",
  "see_also": [
    "frequency",
    "photon",
    "power"
  ],
  "references": [
    "PAC, 2007, 79, 293. 'Glossary of terms used in photochemistry, 3rd edition (IUPAC Recommendations 2006)' on page 326 (https://doi.org/10.1351/pac200779030293)"
  ],
  "url": "https://mlchart.com/terminology/chemistry/downconversion/"
}