Journal
MATERIALS ADVANCES
Volume 1, Issue 4, Pages 908-917Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/d0ma00230e
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Funding
- FWO project [12ZV320N]
- Southwest University [SWU019042]
- National Natural Science Foundation of China [21773188]
- Generalitat de Catalunya [2017 SGR 327]
- Spanish MINECO project [ENE2017-85087-C3]
- Severo Ochoa program from Spanish MINECO [SEV-2017-0706]
- CERCA Programme/Generalitat de Catalunya
- CSC-UAB PhD scholarship program
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Non-enzymatic glucose sensors based on different Co-Ni-C composite materials were developed by pyrolysis of bimetallic or single metal based metal-organic frameworks (MOFs). The structure and composition of the resulting materials were explored by XRD, nitrogen adsorption/desorption isotherms, SEM, HRTEM and STEM-EELS. The electrochemical performance of the bimetallic MOF derived novel yolk-albumen-shell structure of Ni-Co@C (YASNiCo@C) stands out from these materials. The YASNiCo@C electrode exhibited a sensitivity of 1964 mu A cm(-2) mM(-1) with the detection limit of 0.75 mu M, a linear range from 5 mu M to 1000 mu M and good stability for the detection of glucose. These promising electrochemical performances prove that YASNiCo@C is a promising material for glucose sensors. Moreover, the strategy outlined in this work for the design of MOF based nanomaterials can also be used beyond glucose sensors.
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