Single layer of nickel hydroxide nanoparticles covered on a porous Ni foam and its application for highly sensitive non-enzymatic glucose sensor

Chung-Wei Kung, Yu Heng Cheng, Kuo Chuan Ho

Research output: Contribution to journalArticle

67 Citations (Scopus)

Abstract

A single layer of nickel hydroxide nanoparticles (Ni(OH)2 NPs) was covered on the full surface of a porous Ni foam by simply applying an electrochemical cyclic voltammetric (CV) treatment on a bare Ni foam substrate for 100 cycles in 1.0 M NaOH solution. The surface morphology of the obtained Ni(OH)2 NPs/Ni foam electrode was examined by scanning electron microscopy. The thickness of the Ni(OH)2 NPs layer on the electrode was estimated by X-ray photoelectron spectroscopy with Ar+ ion etching. In CV measurement, the Ni(OH)2 NPs/Ni foam electrode exhibited excellent electrocatalytic ability toward glucose in NaOH solution. The Ni(OH)2 NPs/Ni foam electrode was successfully used for the quantification of glucose by an amperometric method. The sensing parameters include a high sensitivity of 1950.3 μA/mM-cm2, a linear range from 0.6 to 6.0 mM, a detection limit of 0.16 μM, and an applied potential of 0.45 V (vs. Ag/AgCl/KCl sat'd). The excellent performances obtained in the interference test, the long-term durability test in atmosphere, and the reproducibility test of the Ni(OH)2 NPs/Ni foam sensor indicate the applicability of the proposed electrode as a reliable non-enzymatic glucose sensor.

Original languageEnglish
Pages (from-to)159-166
Number of pages8
JournalSensors and Actuators, B: Chemical
Volume204
DOIs
Publication statusPublished - 2014 Dec 1

Fingerprint

Glucose sensors
Nickel
glucose
foams
hydroxides
Foams
nickel
Nanoparticles
nanoparticles
sensors
Electrodes
electrodes
Glucose
durability
Surface morphology
hydroxide ion
Etching
Durability
X ray photoelectron spectroscopy
etching

All Science Journal Classification (ASJC) codes

  • Electrical and Electronic Engineering
  • Condensed Matter Physics
  • Electronic, Optical and Magnetic Materials
  • Metals and Alloys
  • Surfaces, Coatings and Films
  • Materials Chemistry
  • Instrumentation

Cite this

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abstract = "A single layer of nickel hydroxide nanoparticles (Ni(OH)2 NPs) was covered on the full surface of a porous Ni foam by simply applying an electrochemical cyclic voltammetric (CV) treatment on a bare Ni foam substrate for 100 cycles in 1.0 M NaOH solution. The surface morphology of the obtained Ni(OH)2 NPs/Ni foam electrode was examined by scanning electron microscopy. The thickness of the Ni(OH)2 NPs layer on the electrode was estimated by X-ray photoelectron spectroscopy with Ar+ ion etching. In CV measurement, the Ni(OH)2 NPs/Ni foam electrode exhibited excellent electrocatalytic ability toward glucose in NaOH solution. The Ni(OH)2 NPs/Ni foam electrode was successfully used for the quantification of glucose by an amperometric method. The sensing parameters include a high sensitivity of 1950.3 μA/mM-cm2, a linear range from 0.6 to 6.0 mM, a detection limit of 0.16 μM, and an applied potential of 0.45 V (vs. Ag/AgCl/KCl sat'd). The excellent performances obtained in the interference test, the long-term durability test in atmosphere, and the reproducibility test of the Ni(OH)2 NPs/Ni foam sensor indicate the applicability of the proposed electrode as a reliable non-enzymatic glucose sensor.",
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AB - A single layer of nickel hydroxide nanoparticles (Ni(OH)2 NPs) was covered on the full surface of a porous Ni foam by simply applying an electrochemical cyclic voltammetric (CV) treatment on a bare Ni foam substrate for 100 cycles in 1.0 M NaOH solution. The surface morphology of the obtained Ni(OH)2 NPs/Ni foam electrode was examined by scanning electron microscopy. The thickness of the Ni(OH)2 NPs layer on the electrode was estimated by X-ray photoelectron spectroscopy with Ar+ ion etching. In CV measurement, the Ni(OH)2 NPs/Ni foam electrode exhibited excellent electrocatalytic ability toward glucose in NaOH solution. The Ni(OH)2 NPs/Ni foam electrode was successfully used for the quantification of glucose by an amperometric method. The sensing parameters include a high sensitivity of 1950.3 μA/mM-cm2, a linear range from 0.6 to 6.0 mM, a detection limit of 0.16 μM, and an applied potential of 0.45 V (vs. Ag/AgCl/KCl sat'd). The excellent performances obtained in the interference test, the long-term durability test in atmosphere, and the reproducibility test of the Ni(OH)2 NPs/Ni foam sensor indicate the applicability of the proposed electrode as a reliable non-enzymatic glucose sensor.

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