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1997•Wuhan University Journal of Natural SciencesRequires access

Voltammetric response and electrocatalysis of glassy carbon electrode modified with monolayer nickel hydroxide

Liu Shouqing, Xiangyou Li, Jiang Mian, Peibiao Li

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Abstract

The glassy carbon (GC) electrode modified with a monolayer nickel hydroxide (GC/Ni(OH) 2 ) was prepared by immersion of GC substrate in 1.0×10 −3 mol/L NiSO 4 solution, and then cyclic voltammetric scanning in 0.20 mol/L KOH. Similarly, GC/Co (OH) 2 electrode was prepared too. The experiments showed that the voltammetric behavior of GC/Ni (OH) 2 electrode in 0.20 mol/L KOH is more stable than that of GC/Co(OH) 2 . It was found that the GC/Ni(OH) 2 electrode acts as an effective electrocatalysis for the oxidation of hydrazine.

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What this paper is about

The glassy carbon (GC) electrode modified with a monolayer nickel hydroxide (GC/Ni(OH) 2 ) was prepared by immersion of GC substrate in 1.0×10 −3 mol/L NiSO 4 solution, and then cyclic voltammetric scanning in 0.20 mol/L KOH. Similarly, GC/Co (OH) 2 electrode was prepared too. The experiments showed that the voltammetric behavior of GC/Ni (OH) 2 electrode in 0.20 mol/L KOH is more stable than that of GC/Co(OH) 2 . It was found that the GC/Ni(OH) 2 electrode acts as an effective electrocatalysis for the oxidation of hydrazine.

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Available abstract

The glassy carbon (GC) electrode modified with a monolayer nickel hydroxide (GC/Ni(OH) 2 ) was prepared by immersion of GC substrate in 1.0×10 −3 mol/L NiSO 4 solution, and then cyclic voltammetric scanning in 0.20 mol/L KOH. Similarly, GC/Co (OH) 2 electrode was prepared too. The experiments showed that the voltammetric behavior of GC/Ni (OH) 2 electrode in 0.20 mol/L KOH is more stable than that of GC/Co(OH) 2 . It was found that the GC/Ni(OH) 2 electrode acts as an effective electrocatalysis for the oxidation of hydrazine.

Key concepts: Electrocatalyst, Glassy carbon, Hydroxide, Monolayer, Nickel, Electrode, Cyclic voltammetry, Electrochemistry

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