Characterization of Submicron-Sized Carbon Electrodes Insulated with a Phenol-Allylphenol Copolymer

Timothy G. Strein; Andrew G. Ewing

doi:10.1021/ac00037a012

Characterization of Submicron-Sized Carbon Electrodes Insulated with a Phenol-Allylphenol Copolymer

Timothy G. Strein, Andrew G. Ewing

Chemistry

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161 Scopus citations

Abstract

By careful control of the copolymerization of phenol and 2-allylphenol onto the outsides of flame-etched carbon fibers, a method to construct voltammetrtc probes with overall physical dimensions as small as 400 nm has been developed. The primary factors controlling the formation of a thin, yet Insulating, film are relative monomer concentration, polymer electrodepo-sltlon time, and electrodeposition solution pH. Optimal conditions for this procedure Involve electrodeposition for 1214 min in 60 mM phenol and 90 mM 2-ailylphenol (pH = 9.0). Success rates for construction of electrodes with total structural tip diameters below 1.5 μm Is approximately 70% and for construction of electrodes with approximately 400-nm tip diameters It Is about 10%.

Original language	English (US)
Pages (from-to)	1368-1373
Number of pages	6
Journal	Analytical Chemistry
Volume	64
Issue number	13
DOIs	https://doi.org/10.1021/ac00037a012
State	Published - Jul 1992

All Science Journal Classification (ASJC) codes

Analytical Chemistry

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10.1021/ac00037a012

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title = "Characterization of Submicron-Sized Carbon Electrodes Insulated with a Phenol-Allylphenol Copolymer",

abstract = "By careful control of the copolymerization of phenol and 2-allylphenol onto the outsides of flame-etched carbon fibers, a method to construct voltammetrtc probes with overall physical dimensions as small as 400 nm has been developed. The primary factors controlling the formation of a thin, yet Insulating, film are relative monomer concentration, polymer electrodepo-sltlon time, and electrodeposition solution pH. Optimal conditions for this procedure Involve electrodeposition for 1214 min in 60 mM phenol and 90 mM 2-ailylphenol (pH = 9.0). Success rates for construction of electrodes with total structural tip diameters below 1.5 μm Is approximately 70% and for construction of electrodes with approximately 400-nm tip diameters It Is about 10%.",

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year = "1992",

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doi = "10.1021/ac00037a012",

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T1 - Characterization of Submicron-Sized Carbon Electrodes Insulated with a Phenol-Allylphenol Copolymer

AU - Strein, Timothy G.

AU - Ewing, Andrew G.

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N2 - By careful control of the copolymerization of phenol and 2-allylphenol onto the outsides of flame-etched carbon fibers, a method to construct voltammetrtc probes with overall physical dimensions as small as 400 nm has been developed. The primary factors controlling the formation of a thin, yet Insulating, film are relative monomer concentration, polymer electrodepo-sltlon time, and electrodeposition solution pH. Optimal conditions for this procedure Involve electrodeposition for 1214 min in 60 mM phenol and 90 mM 2-ailylphenol (pH = 9.0). Success rates for construction of electrodes with total structural tip diameters below 1.5 μm Is approximately 70% and for construction of electrodes with approximately 400-nm tip diameters It Is about 10%.

AB - By careful control of the copolymerization of phenol and 2-allylphenol onto the outsides of flame-etched carbon fibers, a method to construct voltammetrtc probes with overall physical dimensions as small as 400 nm has been developed. The primary factors controlling the formation of a thin, yet Insulating, film are relative monomer concentration, polymer electrodepo-sltlon time, and electrodeposition solution pH. Optimal conditions for this procedure Involve electrodeposition for 1214 min in 60 mM phenol and 90 mM 2-ailylphenol (pH = 9.0). Success rates for construction of electrodes with total structural tip diameters below 1.5 μm Is approximately 70% and for construction of electrodes with approximately 400-nm tip diameters It Is about 10%.

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Characterization of Submicron-Sized Carbon Electrodes Insulated with a Phenol-Allylphenol Copolymer

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