Title: space charge region Long Title: IUPAC Gold Book - space charge region DOI: 10.1351/goldbook.14089 Status: current Definition Region formed within a semiconductor in contact with another phase in which there is a band bending that can be upward or downward. Related Term - depletion layer: https://goldbook.iupac.org/terms/view/14004 Source - PAC, 2011, 83, 931. 'Glossary of terms used in photocatalysis and radiation catalysis (IUPAC Recommendations 2011)' on page 989 (https://doi.org/10.1351/PAC-REC-09-09-36) Other Outputs - html: https://goldbook.iupac.org/terms/view/14089/html - json: https://goldbook.iupac.org/terms/view/14089/json - xml: https://goldbook.iupac.org/terms/view/14089/xml Citation: Citation: 'space charge region' 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.14089 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: 2026-05-09T22:45:57+00:00