{"term":{"id":"08858","title":"Poole–Frenkel effect","longtitle":"IUPAC Gold Book - Poole–Frenkel effect","doi":"10.1351\/goldbook.08858","code":"08858","status":"current","definitions":[{"id":1,"text":"Increase in the electric conductivity of a semiconductor or insulator by exposing it to an electric field.","notes":{"1":"Valence electrons in an insulator or poor semiconductor that is exposed to an external electric field obtain a part of the excitation energy from an external electric field."},"sources":["PAC, 2022, 94, 15. 'Glossary of terms relating to electronic, photonic and magnetic properties of polymers (IUPAC Recommendations 2021)' on page 43 (https:\/\/doi.org\/10.1515\/pac-2020-0501)"]}],"altoutputs":{"html":"https:\/\/goldbook.iupac.org\/terms\/view\/08858\/html","xml":"https:\/\/goldbook.iupac.org\/terms\/view\/08858\/xml","plain":"https:\/\/goldbook.iupac.org\/terms\/view\/08858\/plain"},"citation":"Citation: 'Poole–Frenkel effect' 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.08858","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.","collection":"If you are interested in licensing the Gold Book for commercial use, please contact the IUPAC Executive Director at executivedirector@iupac.org .","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.","accessed":"2026-04-18T08:41:03+00:00"}}