Ultramicroelectrode

Ultramicroelectrode is a type of electrode with a tip diameter less than 10 micrometers. They are used in electrochemistry for a variety of applications, including the study of fast chemical reactions, surface science, and biochemistry.

History

The development of ultramicroelectrodes began in the 1960s, with the work of researchers such as Henry S. White and Allen J. Bard. Their work led to the creation of the first ultramicroelectrode, which was a platinum wire with a tip diameter of 1 micrometer.

Design and fabrication

Ultramicroelectrodes are typically made from metals such as platinum, gold, or silver, but can also be made from carbon or semiconductor materials. The tip of the electrode is often coated with an insulator to prevent unwanted electrochemical reactions.

Applications

Ultramicroelectrodes are used in a variety of fields, including biochemistry, surface science, and electrochemistry. They are particularly useful for studying fast chemical reactions, as their small size allows for rapid electron transfer.

See also

• Electrode
• Electrochemistry
• Surface science
• Biochemistry