{"term":{"id":"09070","title":"current-potential curve","longtitle":"IUPAC Gold Book - current-potential curve","doi":"10.1351\/goldbook.09070","code":"09070","status":"current","synonym":"<em>synonym<\/em>: I-E curve","definitions":[{"id":1,"text":"Plot of current versus applied potential (\\(I\\!{-}\\!E\\)) for a given system.","notes":{"1":"In voltammetry the curve is called a voltammogram.","2":"The curve is sigmoidal in hydrodynamic voltammetry, voltammetry at microelectrodes and polarography, or peak-shaped in ac voltammetry, differential pulse voltammetry, square-wave voltammetry, stripping voltammetry, and derivative techniques."},"links":[{"term":"ac voltammetry","url":"https:\/\/goldbook.iupac.org\/\/terms\/view\/09130"},{"term":"differential pulse voltammetry","url":"https:\/\/goldbook.iupac.org\/\/terms\/view\/09136"},{"term":"hydrodynamic voltammetry","url":"https:\/\/goldbook.iupac.org\/\/terms\/view\/09138"},{"term":"square-wave voltammetry","url":"https:\/\/goldbook.iupac.org\/\/terms\/view\/09147"},{"term":"stripping voltammetry","url":"https:\/\/goldbook.iupac.org\/\/terms\/view\/09155"},{"term":"voltammetry","url":"https:\/\/goldbook.iupac.org\/\/terms\/view\/09148"},{"term":"voltammogram","url":"https:\/\/goldbook.iupac.org\/\/terms\/view\/09149"}],"sources":["PAC, 2020, 92, 641. 'Terminology of Electrochemical Methods of Analysis (IUPAC Recommendations 2019)' on page 651 (https:\/\/doi.org\/10.1515\/pac-2018-0109)"]}],"altoutputs":{"html":"https:\/\/goldbook.iupac.org\/terms\/view\/09070\/html","xml":"https:\/\/goldbook.iupac.org\/terms\/view\/09070\/xml","plain":"https:\/\/goldbook.iupac.org\/terms\/view\/09070\/plain"},"citation":"Citation: 'current-potential curve' 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.09070","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":"2026-04-18T06:26:17+00:00"}}