A Facile One-Pot Synthesis of Au/Cu2O Nanocomposites for Nonenzymatic Detection of Hydrogen Peroxide

作者：Chen Ting; Tian Liangliang^*; Chen Yuan; Liu Bitao; Zhang Jin

来源：Nanoscale Research Letters, 2015, 10(1): 1-7.

DOI：10.1186/s11671-015-0935-y

• Au/Cu2O nanocomposites
• Nonenzymatic
• Hydrogen peroxide detection

Au/Cu2O nanocomposites were successfully synthesized by a facile one-pot redox reaction without additional reducing agent under room temperature. The morphologies and structures of the as-prepared products were characterized by scanning electron microscopy (SEM), transmission electron microscopy (TEM), and X-ray diffraction (XRD). The electrocatalytic performance of Au/Cu2O nanocomposites towards hydrogen peroxide was evaluated by cyclic voltammetry (CV) and chronoamperometry (CA). The prepared Au/Cu2O nanocomposite electrode showed a wide linear range from 25 to 11.2 mM (R = 0.9989) with a low detection limit of 1.05 mu M (S/N = 3) and high sensitivity of 292.89 mA mM(-1) cm(-2). The enhanced performance for H2O2 detection can be attributed to the introduction of Au and the synergistic effect between Au and Cu2O. It is demonstrated that the Au/Cu2O nanocomposites material could be a promising candidate for H2O2 detection.

• 出版日期2015-6-3
• 单位重庆文理学院