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Advances in Interfacial Design for Electrochemical Biosensors and Sensors: Aryl Diazonium Salts for Modifying Carbon and Metal Electrodes
Author(s) -
Gooding J. Justin
Publication year - 2008
Publication title -
electroanalysis
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.574
H-Index - 128
eISSN - 1521-4109
pISSN - 1040-0397
DOI - 10.1002/elan.200704124
Subject(s) - electrode , amperometry , electrochemistry , aryl , nanotechnology , biosensor , surface modification , carbon fibers , materials science , metal , chemistry , organic chemistry , alkyl , composite material , composite number
A high degree of control over the modification of electrode surfaces is required for many sensing applications. This critical review briefly outlines some of the considerations for interfacial design in amperometric sensors and discusses some of advantages and disadvantages of alkanethiol modified metal electrodes for such applications before concentrating on the modification of electrodes surfaces using aryl diazonium salts. The pros and cons of this chemistry, and the application of aryl diazonium salts for sensing on carbon electrodes is reviewed before recent advances in using this chemistry for modifying metal electrodes are presented.