期刊
JAPANESE JOURNAL OF APPLIED PHYSICS
卷 56, 期 6, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.7567/JJAP.56.06HF03
关键词
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资金
- MEXT-Supported Program for the Strategic Research Foundation at Private Universities [S1511021]
- JSPS KAKENHI [26286072]
- project for promoting the Research Center at Meijo University
- Grants-in-Aid for Scientific Research [15H02032, 26286072] Funding Source: KAKEN
Fabrication of an electrochemical sensor for hydrogen peroxide (H2O2) detection was demonstrated. H2O2 is a major messenger molecule in various redox-dependent cellular signaling transductions. Therefore, sensitive detection of H2O2 is greatly important in health inspection and environmental protection. Carbon nanowalls (CNWs) are composed of few-layer graphenes standing almost vertically on a substrate forming a three-dimensional structure. In this work, CNWs were used as a platform for H2O2 sensing, which is based on the large surface area of conducting carbon and surface decoration with platinum (Pt) nanoparticles (NPs). CNWs were grown on carbon fiber paper (CFP) by inductively coupled plasma-enhanced chemical vapor deposition to increase the surface area. Then, the CNW surface was decorated with Pt-NPs by the reduction of H2PtCl6. Cyclic voltammetry results indicate that the Pt-decorated CNW/CFP electrode possesses excellent electrocatalytic activity for the reduction of H2O2. Amperometric responses indicate the high-sensitivity detection capability of the Pt-decorated CNW/CFP electrode for H2O2. (C) 2017 The Japan Society of Applied Physics
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