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http://hdl.handle.net/1942/15420
Title: | Routine fabrication of reduced graphene oxide microarray devices via all solution processing | Authors: | Lanche, Ruben DELLE, Lotta Weil, Maryam Xuan Thang, Vu Pachauri, Vivek Munief, Walid M. WAGNER, Patrick Ingebrandt, Sven |
Issue Date: | 2013 | Publisher: | WILEY-V C H VERLAG GMBH | Source: | PHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE, 210 (5), p. 968-974 | Abstract: | A method for the routine fabrication of graphene (reduced graphene oxide (r-GO)) based devices is reported. We describe a solution-based technique for the fabrication of the devices on alternative substrates and subsequent on-substrate processing of graphene oxide into reduced graphene oxide. As sensor platform we mainly used interdigitated gold electrodes forming microarray structures on glass substrates. Graphene oxide was site-specifically deposited onto microelectrode arrays by dielectrophoresis followed by a solution-based reduction of graphene oxide with L-ascorbic acid. In order to test the r-GO sensor stability and performance, impedance spectroscopy was used. The optimized all solution processed fabrication provides an attractive fabrication route for robust r-GO microarray devices in a flexible, scalable and cost-effective approach. Schematics for a microarray chip based on reduced graphene oxide. | Notes: | Univ Appl Sci Kaiserslautern, Dept Informat & Microsyst Technol, D-66482 Zweibrucken, Germany. Hasselt Univ, Inst Mat Res, B-3590 Diepenbeek, Belgium. | Keywords: | dielectrophoresis; graphene; impedance spectroscopy; interdigitated electrodes;Materials Science, Multidisciplinary; Physics, Applied; Physics, Condensed Matter | Document URI: | http://hdl.handle.net/1942/15420 | ISSN: | 1862-6300 | e-ISSN: | 1862-6319 | DOI: | 10.1002/pssa.201200910 | ISI #: | 000319151900023 | Category: | A1 | Type: | Journal Contribution | Validations: | ecoom 2014 |
Appears in Collections: | Research publications |
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