Journal of Nanoscience and Nanotechnology 2012-12-01

Electrocatalytic oxidation of hydrazine and hydroxylamine by graphene oxide-Pd nanoparticle-modified glassy carbon electrode.

Eunhee Lee, Daekun Kim, Jung-Min You, Seul Ki Kim, Mira Yun, Seungwon Jeon

文献索引：J. Nanosci. Nanotechnol. 12(12) , 8886-92, (2012)

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摘要

Pd nanoparticle catalysts supported by thiolated graphene oxide (tGO) on a glassy carbon electrode (GCE), and denoted as tGO-Pd/GCE, are used in this study for the electrochemical determination of hydroxylamine and hydrazine. The physicochemical properties of tGO-Pd were characterized by transmission electron microscopy (TEM), X-ray photoelectron spectroscopy (XPS) and electrochemical impedance spectroscopy (EIS). They showed strong catalytic activity toward the oxidation of hydroxylamine and hydrazine. Cyclic voltammetry (CV) and amperometry were used to characterize the sensors' performances. The detection limits of hydroxylamine and hydrazine by tGO-Pd/GCE were 0.31 and 0.25 microM (s/n = 3), respectively. The sensors' sensitivity, selectivity, and stability were also investigated.

相关化合物

  • 硫酸肼
  • 肼
  • 羟胺
  • 肼 半硫酸盐
  • 二盐酸肼

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