Citation: Gui Hong YAN, Da XING, Shi Ci TAN. A Kind of Electrode Enhanced the Electrochemiluminescence[J]. Chinese Chemical Letters, ;2004, 15(1): 101-104. shu

A Kind of Electrode Enhanced the Electrochemiluminescence

Institute of Laser Life Science, South China Normal University, Guangzhou 510631

Received Date: 30 December 2002

Three kinds of platinum electrodes with different geometry were designed. The relation of the electrochemiluminescence (ECL) intensity with the geometry of these electrodes has been investigated. The optical character of these electrodes was directly studied by observation of ECL image and measurement of the ECL intensity. The results showed that the ECL not only concentrated on the edge of the electrode but also concentrated on the edge of holes, which contain in the electrode. The ECL intensity from Ru(bpy)₃Cl₂·6H₂O on round electrode was about half of that on four-hole round disk electrode for a same concentration of Ru(bpy)₃Cl₂·6H₂O, so the detection limit was improved to 10^-18 mol/L Ru(bpy)₃Cl₂·6H₂O on four-hole round disk electrode, three times higher than that on round disk electrode.
- Electrochemiluminescence,
- electrode,
- geometry
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