<?xml version="1.0" encoding="UTF-8"?>
<term>
  <id>01997</id>
  <title>electronic energy migration</title>
  <longtitle>IUPAC Gold Book - electronic energy migration</longtitle>
  <doi>10.1351/goldbook.E01997</doi>
  <code>E01997</code>
  <status>current</status>
  <synonym><em>synonyms</em>: electronic energy hopping, energy migration</synonym>
  <definitions>
    <item>
      <id>1</id>
      <text>The movement of electronic excitation energy from one molecular entity to another of the same species, or from one part of a molecular entity to another of the same kind (e.g. excitation migration between the chromophores of an aromatic polymer). The migration can happen via radiative or radiationless processes.</text>
      <links>
        <item>
          <term>excitation energy</term>
          <url>https://goldbook.iupac.org//terms/view/E02250</url>
        </item>
        <item>
          <term>migration</term>
          <url>https://goldbook.iupac.org//terms/view/M03920</url>
        </item>
      </links>
      <sources>
        <item>PAC, 1996, 68, 2223. 'Glossary of terms used in photochemistry (IUPAC Recommendations 1996)' on page 2238 (https://doi.org/10.1351/pac199668122223)</item>
      </sources>
    </item>
  </definitions>
  <altoutputs>
    <html>https://goldbook.iupac.org/terms/view/E01997/html</html>
    <json>https://goldbook.iupac.org/terms/view/E01997/json</json>
    <plain>https://goldbook.iupac.org/terms/view/E01997/plain</plain>
  </altoutputs>
  <citation>Citation: 'electronic energy migration' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. 10.1351/goldbook.E01997</citation>
  <license>The IUPAC Gold Book is licensed under Creative Commons Attribution-ShareAlike CC BY-SA 4.0 International (https://creativecommons.org/licenses/by-sa/4.0/) for individual terms.</license>
  <collection>If you are interested in licensing the Gold Book for commercial use, please contact the IUPAC Executive Director at executivedirector@iupac.org .</collection>
  <disclaimer>The International Union of Pure and Applied Chemistry (IUPAC) is continuously reviewing and, where needed, updating terms in the Compendium of Chemical Terminology (the IUPAC Gold Book). Users of these terms are encouraged to include the version of a term with its use and to check regularly for updates to term definitions that you are using.</disclaimer>
  <accessed>2026-06-10T07:21:07+00:00</accessed>
</term>
