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Electropolymerization. Advisor : Professor Guey-Sheng Liou Reporter : Ming-Chi Tsai Date : 2014/01/03. Outline. Introduction Theory and mechanism of electropolymerization Applications Recent development of electropolymerization Conclusions. Electropolymerization.
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Electropolymerization Advisor : Professor Guey-ShengLiou Reporter: Ming-Chi Tsai Date : 2014/01/03
Outline • Introduction • Theory and mechanism of electropolymerization • Applications • Recent development of electropolymerization • Conclusions
Electropolymerization Reynolds research Lab. The first electropolymerization experiment reported in 1968 by Dall’oxlio → Pyrrole in water medium The first determining event was the electro-polymerization in an organic medium reported in 1979 by Diaz → Pyrrole in MeCN
Mechanism of Electropolymerization Rajesh*, Biomaterial, 2007, 28, 791-805
Mechanism of Electropolymerization What’s Emonomerand Epolymer R. J. Waltman*, J. Bargon*, Can. J. Chem., 1986, 64, 76
Group effect A. F. Diaz*, J. Electroanal.. Chem., 1981, 129 , 115-132
Electrolyte effect Cyclic voltammogramms of [Pt]polypyrrole (20 nm) an CH3CN contaning various electrolyte salts Sweep rates 50 and 100 mV s-1
Biosensors Electroanalysis 2003, 15, No. 23-24
Chemical sensors Johan Bobacka and Ari Ivaska, Handbook of electropolymerization, 2010, Ch.9
Molecular Imprinting Polymer Michael J. Whitcombe and DhanaLakshmi, Handbook of electropolymerization, 2010, Ch.7
Molecular Imprinting Polymer Phosphate buffer Use CV to prove the AA combined with PPy YücelSahin*, Sensors 2008, 8, 5792-5805
Molecular Imprinting Polymer 0.025M pyyrole monomer is the best condition for this MIP Fig. 6 MIP has more current intensity for AA than NIP Fig. 5 YücelSahin*, Sensors 2008, 8, 5792-5805
Conclusions • Electropolymerization • Intrinsically conducting polymers • Modified electrodes • Sensors • Good approach • Easy to define area • Well-controlled thickness at a nanometer scale