期刊
BIOSENSORS & BIOELECTRONICS
卷 85, 期 -, 页码 587-595出版社
ELSEVIER ADVANCED TECHNOLOGY
DOI: 10.1016/j.bios.2016.05.062
关键词
Nickel sulfide; Hierarchical cauliflower; Solvent assist; Glucose; Biosensor
类别
资金
- Energy Efficiency & Resources of the Korea Institute of Energy Technology Evaluation and Planning (KETEP) grant - Korea Government Ministry of Knowledge Economy [20142010102690]
- Ministry of Science, ICT and Future Planning of Korea [2016-008389]
- Korea Evaluation Institute of Industrial Technology (KEIT) [20142010102690] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
Morphology-controlled synthesis of nickel sulfide (Ni3S2) was performed directly on Ni foam using thioacetamide as a sulfur ion source. Various morphologies of nickel sulfide were fabricated using a hydrothermal process by adjusting the solvent composition of ethanol and water. In the water-dominant condition, a dendrite structure was obtained; otherwise, a flaky structure was achieved. A hierarchical cauliflower-like structure was obtained at a solvent mixture composition of 1:1 and was used as non enzymatic glucose sensor. The hierarchical Ni3S2 electrode showed a high level of electro-catalytic activity toward the oxidation of glucose (16,460 A mM(-1) cm(-2)) over a wide range of detection (0.0005-3 mM) and a low detection limit (0.82 mu M) with excellent selectivity in the presence of several electroactive species. (C) 2016 Elsevier B.V. All rights reserved.
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