Novel Nanostructured Electrodes Obtained by Pyrolysis of Composite Polymeric Materials

In this work, we compare pyrolyzed carbon derived from the photoresist SU‐8 alone or in combination with polystyrene and poly(styrene)‐block‐poly(dimethylsiloxane) copolymer (PS‐b‐PDMS), to be used as novel materials for micro‐ and nanoelectrodes. The pyrolyzed carbon films are evaluated with scanni...

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Veröffentlicht in:	Electroanalysis (New York, N.Y.) N.Y.), 2015-07, Vol.27 (7), p.1544-1549
Hauptverfasser:	Amato, Letizia, Schulte, Lars, Heiskanen, Arto, Keller, Stephan S., Ndoni, Sokol, Emnéus, Jenny
Format:	Artikel
Sprache:	eng
Schlagworte:	Carbon Composite materials Composite polymeric materials Contact angle Disorders Electrodes Microelectrodes Nanoelectrodes Nanostructure Photoresists Polystyrene resins Pyrolysis Pyrolyzed carbon Pyrolyzed carbon precursors Pyrolyzed nanostructures
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creator	Amato, Letizia Schulte, Lars Heiskanen, Arto Keller, Stephan S. Ndoni, Sokol Emnéus, Jenny
description	In this work, we compare pyrolyzed carbon derived from the photoresist SU‐8 alone or in combination with polystyrene and poly(styrene)‐block‐poly(dimethylsiloxane) copolymer (PS‐b‐PDMS), to be used as novel materials for micro‐ and nanoelectrodes. The pyrolyzed carbon films are evaluated with scanning electron microscopy, thermal gravimetric analysis, X‐ray photoelectron spectroscopy, contact angle analysis, and Raman spectroscopy. Furthermore, the standard rate constant for electron transfer is determined from cyclic voltammograms and found to be lower for PS‐b‐PDMS compared to PS and SU‐8 films. This may be related to the lower carbon content of PS‐b‐PDMS, as well as to its higher microstructural disorder.
doi_str_mv	10.1002/elan.201400430
format	Article
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subjects	Carbon Composite materials Composite polymeric materials Contact angle Disorders Electrodes Microelectrodes Nanoelectrodes Nanostructure Photoresists Polystyrene resins Pyrolysis Pyrolyzed carbon Pyrolyzed carbon precursors Pyrolyzed nanostructures
title	Novel Nanostructured Electrodes Obtained by Pyrolysis of Composite Polymeric Materials
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