期刊
ELECTROCHIMICA ACTA
卷 251, 期 -, 页码 71-80出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.electacta.2017.08.114
关键词
Metal-organic frameworks; Carbonization; Electroanalysis; Graphitization; N-doped
资金
- National Natural Science Foundation of China [21645007, 21475071]
- Taishan Scholar Program of Shandong Province [ts201511027]
- Natural Science Foundation of Shandong [ZR2016BM21]
A MOF-derived porous carbon with high specific surface area and robust structure was successfully synthesized by carbonizing zeolitic imidazolate framework (ZIF-8). With the investigation of the carbonization temperature and the preparation process, the synthesized ligand-derived carbon matrix (Z-1000) displayed a high electrical conductivity and electrochemical activity owing to the spatially ordered porous structure, high graphitization and doped nitrogen. In order to test the electrochemical properties of this material, a range of substances were detected by Z-1000 modified electrodes (Z-1000/ GCE) and satisfactory results were obtained. In optimized conditions, the linear responses of the Z-1000/GCE for uric acid (UA) and catechol (CT) were obtained from 0.001 mM to 0.3 mM with detection limit of 1.4 x 10 (8) M and 2.78 x 10 (7) M, respectively. And a linear range for hydroquinone (HQ) was in the region of 0.001 mM-0.2 mM with detection limits of 2.15 x 10 (7) M. These unique physical and chemical properties made it hold great promise in the development of multifunctional sensor. Meanwhile, the low cost and facile preparation of MOF-derived carbon made it become a potential candidate for electroanalysis. (C) 2017 Published by Elsevier Ltd.
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