期刊
CHINESE CHEMICAL LETTERS
卷 25, 期 4, 页码 496-500出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.cclet.2014.02.001
关键词
Glucose sensors; Pd-based NPM; Dealloying; Electrochemical
资金
- 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]
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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