Journal
CHINESE CHEMICAL LETTERS
Volume 25, Issue 4, Pages 496-500Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.cclet.2014.02.001
Keywords
Glucose sensors; Pd-based NPM; Dealloying; Electrochemical
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Funding
- National Science Foundation of China [51001026, 21173041]
- SRF [6812000013]
- Nanjing [7912000011]
- Jiangsu Key Laboratory of Advanced Metallic Materials [AMM201101]
- Fundamental Research Funds for the Central Universities [3212002205, 3212003102]
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Nanoporous metals (NPMs) show potential applications as enzyme-free glucose sensors. There are few reports on nanoporous Pd in this area even though their cost is much lower than other NPMs. In this work, we report the formation of Pd-based NPM with improved catalytic activity towards the oxidation of glucose. By dealloying metallic glasses, Pd-based NPMs with bi-continuous networks were obtained. All the Pd-based NPMs show high electrochemical catalytic activity towards glucose oxidation. In this study, NPM with an open, three-dimensional, ligament-channel nanoporous structure resulted by dealloying metallic Pd30Cu40Ni10P20, producing a pore size of 11 nm and a ligament size of 7 nm as the best configuration towards the direct oxidation reaction of glucose. (C) 2014 Yu-Qiao Zeng. Published by Elsevier B.V. on behalf of Chinese Chemical Society. All rights reserved.
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