Working electrode
In electrochemistry, the working electrode is the electrode in an electrochemical system on which the reaction of interest is occurring.[1][2][3] The working electrode is often used in conjunction with an auxiliary electrode, and a reference electrode in a three-electrode system. Depending on whether the reaction on the electrode is a reduction or an oxidation, the working electrode is called cathodic or anodic, respectively. Common working electrodes can consist of materials ranging from noble metals such as gold or platinum, to inert carbon such as glassy carbon, boron-doped diamond[4] or pyrolytic carbon, and mercury drop and film electrodes.[5] Chemically modified electrodes are employed for the analysis of both organic and inorganic samples.
Special types
- Ultramicroelectrode (UME)
- Rotating disk electrode (RDE)
- Rotating ring-disk electrode (RRDE)
- Hanging mercury drop electrode (HMDE)
- Dropping mercury electrode (DME)
See also
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References
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- ^ Page Module:Citation/CS1/styles.css has no content.Kissinger, Peter; William R. Heineman (1996-01-23). Laboratory Techniques in Electroanalytical Chemistry, Second Edition, Revised and Expanded (2 ed.). CRC. ISBN 978-0-8247-9445-3.
- ^ Page Module:Citation/CS1/styles.css has no content.Bard, Allen J.; Larry R. Faulkner (2000-12-18). Electrochemical Methods: Fundamentals and Applications (2 ed.). Wiley. ISBN 978-0-471-04372-0.
- ^ Page Module:Citation/CS1/styles.css has no content.Zoski, Cynthia G. (2007). Handbook of Electrochemistry. Amsterdam: Elsevier. ISBN 978-0-444-51958-0.
- ^ Page Module:Citation/CS1/styles.css has no content.Irkham; Watanabe, T.; Fiorani, A.; Valenti, G.; Paolucci, F.; Einaga, Y. (2016). "Co-reactant-on-Demand ECL: Electrogenerated Chemiluminescence by the in Situ Production of S2O82− at Boron-Doped Diamond Electrodes". Faraday Discuss. 138 (48): 15636–15641. Bibcode:2016JAChS.13815636I. doi:10.1021/jacs.6b09020. hdl:11585/591484. PMID 27934028.
- ^ Page Module:Citation/CS1/styles.css has no content.Heard, D. M.; Lennox, A.J.J. (2020-07-06). "Electrode Materials in Modern Organic Electrochemistry". Angewandte Chemie International Edition. 59 (43): 18866–18884. doi:10.1002/anie.202005745. PMC 7589451. PMID 32633073.
External links
- IUPAC, Compendium of Chemical Terminology, 5th ed. (the "Gold Book") (2025). Online version: (2006–) "working electrode". Script error: No such module "CS1 identifiers".
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