[gamma]-Irradiation-induced grafting of poly(styrenesulfonate) to poly(tetrafluoroethylene) shielded microelectrodes
Journal Article
·
· Analytical Chemistry (Washington); (United States)
- Univ. of Cincinnati, OH (United States)
A new method for the fabrication and polymer modification of microelectrodes is described. These electrodes are constructed by heat sealing the electroactive material in dual shrink/melt poly(tetrafluoroethylene) (PTFE) under vacuum. The PTFE shield may be activated to provide a support upon which polymers of interest may be grafted. [gamma]-Irradiation was used to graft polymerize styrene to the surface. The poly-(styrene) was subsequently sulfonated with chlorosulfonic acid to form poly(styrenesulfonate). Scanning electron microscopy and Raman microspectroscopy provide evidence that the poly-(styrenesulfonate) film has been formed and extends over the electrode material. Voltammetry indicates that hexaammine-ruthenium(III) cation is preconcentrated and stabilized via an association with the polymer film. 24 refs., 8 figs., 2 tabs.
- OSTI ID:
- 7242920
- Journal Information:
- Analytical Chemistry (Washington); (United States), Journal Name: Analytical Chemistry (Washington); (United States) Vol. 66:11; ISSN 0003-2700; ISSN ANCHAM
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
38 RADIATION CHEMISTRY, RADIOCHEMISTRY, AND NUCLEAR CHEMISTRY
400102 -- Chemical & Spectral Procedures
400201* -- Chemical & Physicochemical Properties
400600 -- Radiation Chemistry
CHEMICAL REACTIONS
COATINGS
COMPLEXES
ELECTRODES
ELECTROMAGNETIC RADIATION
ELECTRON MICROSCOPY
FLUORINATED ALIPHATIC HYDROCARBONS
GAMMA RADIATION
GRAFT POLYMERS
HALOGENATED ALIPHATIC HYDROCARBONS
IONIZING RADIATIONS
LASER SPECTROSCOPY
MATERIALS
MICROSCOPY
MODIFICATIONS
ORGANIC COMPOUNDS
ORGANIC FLUORINE COMPOUNDS
ORGANIC HALOGEN COMPOUNDS
ORGANIC POLYMERS
PETROCHEMICALS
PETROLEUM PRODUCTS
PLASTICS
POLYETHYLENES
POLYMERS
POLYOLEFINS
POLYSTYRENE
POLYTETRAFLUOROETHYLENE
POLYVINYLS
RADIATIONS
RAMAN SPECTROSCOPY
RUTHENIUM COMPLEXES
SCANNING ELECTRON MICROSCOPY
SPECTROSCOPY
SULFONATION
SYNTHETIC MATERIALS
TRANSITION ELEMENT COMPLEXES
VOLTAMETRY
38 RADIATION CHEMISTRY, RADIOCHEMISTRY, AND NUCLEAR CHEMISTRY
400102 -- Chemical & Spectral Procedures
400201* -- Chemical & Physicochemical Properties
400600 -- Radiation Chemistry
CHEMICAL REACTIONS
COATINGS
COMPLEXES
ELECTRODES
ELECTROMAGNETIC RADIATION
ELECTRON MICROSCOPY
FLUORINATED ALIPHATIC HYDROCARBONS
GAMMA RADIATION
GRAFT POLYMERS
HALOGENATED ALIPHATIC HYDROCARBONS
IONIZING RADIATIONS
LASER SPECTROSCOPY
MATERIALS
MICROSCOPY
MODIFICATIONS
ORGANIC COMPOUNDS
ORGANIC FLUORINE COMPOUNDS
ORGANIC HALOGEN COMPOUNDS
ORGANIC POLYMERS
PETROCHEMICALS
PETROLEUM PRODUCTS
PLASTICS
POLYETHYLENES
POLYMERS
POLYOLEFINS
POLYSTYRENE
POLYTETRAFLUOROETHYLENE
POLYVINYLS
RADIATIONS
RAMAN SPECTROSCOPY
RUTHENIUM COMPLEXES
SCANNING ELECTRON MICROSCOPY
SPECTROSCOPY
SULFONATION
SYNTHETIC MATERIALS
TRANSITION ELEMENT COMPLEXES
VOLTAMETRY