Journal
MICROPOROUS AND MESOPOROUS MATERIALS
Volume 263, Issue -, Pages 21-27Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.micromeso.2017.11.052
Keywords
Dopamine; Uric acid; Electrochemical detection; Carbon materials; ZIF-67
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Funding
- National Natural Science Foundation of China [21201180, 21673291]
- Shandong Provincial Natural Science Foundation [ZR2012BQ014]
- Fundamental Research Funds for the Central Universities [15CX05012A, 12CX04039A]
- Qingdao Application of Basic Research Projects [14-2-4-36-jch]
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N and Co-doped carbon particles (NCCNPs) were prepared by directly carbonizing ZIF-67 at different temperature. The obtained NCCNPs were modified on glassy carbon electrodes (GCE) for electrochemical detection of dopamine (DA) and uric acid (UA). NCCNPs synthesized at 800 degrees C modified electrode exhibited the highest sensitivity and lowest detection limit toward DA and UA. The effect of the form and content of N, Co species on the detection performance were deduced. It was found that the excellent electrochemical sensing performance of the NCCNPs(800) modified electrode is related with large amount of Co with high crystallinity, the small amount of doped N with high electron acceptance ability.
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