Issue 16, 2013

Nanoporous platinum thin films synthesized by electrochemical dealloying for nonenzymatic glucose detection

Abstract

Nanoporous Pt thin films were prepared by simultaneous deposition of Pt and Si and subsequent dealloying of Si out of the PtxSi1−x films. The x values were easily controlled in the range of 0.10 to 0.90 by the distances between the sample position and the target positions and by the plasma power for the targets. With a roughness factor of around 40, the nanoporous Pt films showed enough sensitivity, selectivity, and detection limit for glucose and interfering species. Multiple nanoporous Pt films with similar roughness factors were easily fabricated using this method, which showed good enough and similar performance to other reported glucose sensors, suggesting a simple and quality controlled manufacturing method for nanoporous Pt films as nonenzymatic glucose sensors.

Graphical abstract: Nanoporous platinum thin films synthesized by electrochemical dealloying for nonenzymatic glucose detection

Article information

Article type
Paper
Submitted
05 Sep 2012
Accepted
16 Dec 2012
First published
17 Dec 2012

Phys. Chem. Chem. Phys., 2013,15, 5782-5787

Nanoporous platinum thin films synthesized by electrochemical dealloying for nonenzymatic glucose detection

S. H. Kim, J. B. Choi, Q. N. Nguyen, J. M. Lee, S. Park, T. D. Chung and J. Y. Byun, Phys. Chem. Chem. Phys., 2013, 15, 5782 DOI: 10.1039/C2CP43097E

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