Red shift

{
  "id": "MLC-T-CHM-010036",
  "term": "Red shift",
  "field": "Chemistry",
  "definition": "A shift of an absorption or emission band in a spectrum to longer wavelengths (lower energy). This phenomenon is often observed when a chromophore is placed in a more polar solvent or when conjugation within the molecule increases. It is also known as a bathochromic shift.",
  "subject": "Organic and Biomolecular Chemistry",
  "see_also": [
    "bathochromic shift"
  ],
  "references": [
    "PAC, 1996, 68, 2223. 'Glossary of terms used in photochemistry (IUPAC Recommendations 1996)' on page 2270 (https://doi.org/10.1351/pac199668122223)"
  ],
  "url": "https://mlchart.com/terminology/chemistry/red-shift/"
}