期刊
APPLIED SURFACE SCIENCE
卷 495, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.apsusc.2019.143554
关键词
MXene; Layer double hydroxide; Glucose sensor; Chronoamperometry
类别
资金
- Natural Science Foundation of Chongqing [cstc2019jcyj-msxm0630, cstc2018jcyjAX0450, cstc2015jcyjA50035, cstc2015jcyjA1660]
- Opening Foundation of Chongqing Key Laboratory of Photoelectric Functional Materials [CS201807]
- Fundamental Research Funds for the Central Universities [2019CDXYWL0029, 2018CDJDWL0011, 106112017CDJQJ328839, 106112016CDJZR288805, 106112015CDJXY300002]
- Science and Technology Research Program of Chongqing Municipal Education Commission [KJKJQN201800102, KJQN201800619]
- NSFC [11544010, 11374359, 11304405, 1155305, 51877023]
- Visiting Scholar Foundation of Key Laboratory of Biorheological Science and Technology (Chongqing University), Ministry of Education of China [CQKLBST-2015-003]
- Sharing Fund of Large-scale Equipment of Chongqing University [201903150094]
In this paper, Nickel-Cobalt layered double hydroxide (NiCo-LDH) nanosheets were first in situ synthesized on MXene (Ti3C2) via a simple hydrothermal method, then glucose sensing performance based on three-dimensional porous MXene/NiCo-LDH nanocomposite was explored. At a working potential of 0.45 V (vs. SCE), the glucose sensor exhibits a wide linearity range (0.002 mM-4.096 mM), a low limit of detection (0.53 mu M) and a rapid response ( < 3 s). Moreover, good selectivity, reproducibility and stability were also obtained. And the excellent performance can attribute to large area of contact of materials surface with glucose, fast electron transfer rate and easy diffusion of electrolyte provided by the novel 3D porous NiCo-LDH nanosheets on the conducive MXene substrate. Therefore, MXene/NiCo-LDH composites will be a candidate for electrochemical detection of glucose.
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