期刊
JOURNAL OF ELECTROANALYTICAL CHEMISTRY
卷 897, 期 -, 页码 -出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jelechem.2021.115562
关键词
Loofah sponge; General approach; Glucose oxidation; Nitrite oxidation; H2O2 reduction
资金
- National Natural Science Foundation of China [21908086]
- Fundamental Research Project for Changzhou of China [CJ20190035]
- Natural Science Foundation of the Jiangsu Higher Education Institutions of China [19KJB610011]
The research focuses on the development of high performance electrochemical sensors using biomass waste derived carbon materials, namely well-ordered macroporous carbon (OMC) and N-doped carbon thin layer (N-C) derived from Loofah sponge. The polydopamine-based method used in this study allows for the loading of noble metal NPs (Pd, Au and Ag) on the carbon materials, leading to excellent electrochemical sensing performances for various reactions such as H2O2 reduction, glucose oxidation and nitrite oxidation. This approach shows promise for a wide range of applications in electrochemical sensors and biosensors.
The research and develpoment of biomass waste derived carbon materials have attracted tremendous research interests in fabrication of high performance electrochemical sensors. In this work, noble metal NPs (i.e., Pd, Au and Ag) loading on Loofah sponge-derived well-ordered macroporous carbon (OMC)/N-doped carbon thin layer (N-C) was designed by a general approach. This polydopamine (PDA)-based method has the advantages of simplicity, high efficiency and versatility. In virtue of the synergistic contribution from 3D macroporous carbon scaffold and highly active nobel metal NPs, these as-prepared Pd@OMC/N-C, Au@OMC/N-C and Ag@OMC/N-C electrode exhibit excellent electrochemical sensing performances for H2O2 reduction, glucose oxidation and nitrite oxidation, respectively. Thus, 3D OMC/N-C loaded noble metal nanoparticles are promising materials for a wide spectrum of electrochemical sensor and biosensor applications.
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