期刊
APPLIED SURFACE SCIENCE
卷 435, 期 -, 页码 216-224出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.apsusc.2017.11.077
关键词
Ocimum tenuiflorum; Hydrothermal method; Core shell nanoparticles; Electro catalytic activity; Non-enzymatic glucose sensor
类别
资金
- University Grant Commission (UGC), Government of India [F1-17.1/2013-14/R GNF-2013-14-SC -AND-41054]
Ag@TiO2 core-shell nano composite (ATCSNC) were synthesized by using Ocimum tenuiflorum leaves extract through a simple one-step hydrothermal route for Non-enzymatic glucose sensing material. The prepared NCs were characterized and found high crystallinity, red shift absorbance, interface-bonding parameters, rough surface and network like microstructure through XRD, Uv-vis, FTIR, SEM, and TEM. The prepared ATCSNC have been used for fabrication of glassy carbon electrode (GCE) and the same was applied to test its electro catalytic activity of glucose in 0.1 M NaOH. The promising results were recorded for ATCSNC/GCE with a high sensitivity (1968.72 mu Am M-1 cm(-2)), wide linear range (1 mu M-8.1 mM), good response time (3 s), and excellent low detection limit (0.19 mu M, S/N = 3). Furthermore, the designed sensor exhibits admirable stability and reproducibility, as well as attractive achievability for real sample analysis. As such, the proposed ATCSNC could be highly beneficial in the development of sustainable and ecofriendly glucose sensing devices. (C) 2017 Elsevier B.V. All rights reserved.
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