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A Simple Electrochemical Route to Access Amorphous Co-Ni Hydroxide for Non-enzymatic Glucose Sensing

Li, Hongbo ; Zhang, Ling ; Mao, Yiwu ; Wen, Chengwei ; Zhao, Peng

Nanoscale research letters, 2019-04, Vol.14 (1), p.135-12, Article 135 [Periódico revisado por pares]

New York: Springer US

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Título:
A Simple Electrochemical Route to Access Amorphous Co-Ni Hydroxide for Non-enzymatic Glucose Sensing
Autor: Li, Hongbo ; Zhang, Ling ; Mao, Yiwu ; Wen, Chengwei ; Zhao, Peng
Assuntos: Amorphous ; Amorphous materials ; Biosensors ; Carbon dioxide ; Chemical sensors ; Chemical synthesis ; Chemistry and Materials Science ; Chemoreception ; Co-Ni hydroxide ; Cobalt ; Electrochemistry ; Electron transfer ; Glucose ; Glucose monitoring ; Glucose sensor ; Hydroxides ; Materials Science ; Molecular Medicine ; Nano Express ; Nanochemistry ; Nanoscale Science and Technology ; Nanotechnology ; Nanotechnology and Microengineering ; Nickel ; Non-enzymatic ; Organic chemistry ; Redox properties ; Selectivity ; Sensors ; Sodium hydroxide ; Transition metals
É parte de: Nanoscale research letters, 2019-04, Vol.14 (1), p.135-12, Article 135
Descrição: Among the numerous transition metal hydroxide materials, cobalt- and nickel-based hydroxides have been extensively studied for their excellent electrochemical performances such as non-enzymatic electrochemical sensors. Binary cobalt-nickel hydroxide has received extensive attention for its exceptionally splendid electrochemical behaviors as a promising glucose sensor material. In this work, we report the synthesis of three-dimensional amorphous Co-Ni hydroxide nanostructures with homogeneous distribution of elements via a simple and chemically clean electrochemical deposition method. The amorphous Co-Ni hydroxide, as a non-enzymatic glucose sensor material, exhibits a superior biosensing performance toward glucose detection for its superior electron transfer capability, high specific surface area, and abundant intrinsic redox couples of Ni 2+ /Ni 3+ and Co 2+ /Co 3+ /Co 4+ ions. The as-synthesized amorphous Co-Ni hydroxide holds great potential in glucose monitoring and detection as non-enzymatic glucose sensors with high sensitivity 1911.5 μA mM −1 cm −2 at low concentration, wide linear range of 0.00025–1 mM and 1–5 mM, low detection limit of 0.127 μM, super long-term stability, and excellent selectivity in 0.5 M NaOH solution.
Editor: New York: Springer US
Idioma: Inglês

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A Simple Electrochemical Route to Access Amorphous Co-Ni Hydroxide for Non-enzymatic Glucose Sensing

Li, Hongbo ; Zhang, Ling ; Mao, Yiwu ; Wen, Chengwei ; Zhao, Peng

New York: Springer US

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