Journal
ANALYTICA CHIMICA ACTA
Volume 1095, Issue -, Pages 93-98Publisher
ELSEVIER
DOI: 10.1016/j.aca.2019.10.033
Keywords
Semiconductor; Electrochemical; Foam; p-n junction; Biosensor
Categories
Funding
- National Natural Science Foundation of China [51602298]
- Fundamental Research Funds for the Central University [841964011]
- Higher Educational Science and Technology Program of Shandong Province [J18KA311]
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The Ni foam decorated with ZnO/BiOI core-shell p-n junction nanorods was prepared and employed as an enzyme loading matrix to detect glucose. The detection potential was decreased significantly (0.3 V) and the sensitivity was enhanced largely (115.2 mu A mM(-1) cm(-2)). The metal-semiconductor foam can afford the porous surface for loading enzymes and achieving the multiple catalysis. More important, the built-in electric field and electron well in the p-n junction interface provide the driving force for electron transport. It was an effective strategy to enhance the biosensing performance by the rational design of p-n junction. (C) 2019 Elsevier B.V. All rights reserved.
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