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The synthesis of a lanthanum metal–organic framework and its sensitivity electrochemical detection of H2O2

Yancai Li, Yanmei Zhong, and Jixian Huang

College of Chemistry and Environment, Minnan Normal University, Zhangzhou, People’s Republic of China



Abstract: A lanthanum metal–organic framework, [La(BTC)(H2O)(DMF)] (H3BTC = 1, 3, 5-benzenetricarboxylic acid), was synthesized under mild hydrothermal conditions. The synthesized [La(BTC)(H2O)(DMF)] was characterized by scanning electron microscopy in combination with energy dispersive X-ray spectroscopy (SEM/EDS), transmission electron microscopy (TEM), X-ray diffraction (XRD), and fourier transform infrared spectroscopy (FT-IR). Its electrochemical properties and electrocatalytic activity towards H2O2 reduction in acidic media were studied by cyclic voltammetry (CV) and amperometric current–time response. The [La(BTC)(H2O)(DMF)] modified electrode shows good electrochemical behavior and performs well electrocatalytic activity towards hydrogen peroxide (H2O2) reduction at ca. −0.7 V. The modified electrode displays a linear range from 5 μM to 2.67 mM and a limit of detection of 0.73 μM to H2O2. The [La(BTC)(H2O)(DMF)] modified electrode also possesses good selectivity and stability. Thus, [La(BTC)(H2O)(DMF)] will be a promising material for non-enzymatic H2O2 sensor.

Keywords: [La(BTC)(H2O)(DMF)]; Electrocatalytsis; Hydrogen peroxide; Non-enzymatic sensor

Full paper is available at

DOI: 10.1007/s11696-016-0011-9


Chemical Papers 71 (5) 913–920 (2017)

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