静电纺丝法制备CuNi纳米粒子/碳纳米纤维电分析检测H2O2

Fabrication of CuNi nanoparticles/carbon nanofibers by electrospinning for H2O2 electrochemical sensor

通过静电纺丝技术制备了铜镍纳米粒子掺杂的碳纳米纤维(CuNi-CNFs),并用于过氧化氢(H2O2)的电分析检测。CuNi-CNFs纳米复合材料的组分、结构通过X射线衍射、拉曼光谱等方法进行了表征。该纳米复合材料中,CNFs具有较大的比表面积和良好的导电性,而CuNi纳米粒子具有良好的电催化活性。由于Cu,Ni和CNFs的协同作用,CuNi-CNFs纳米复合材料对H2O2表现出良好的电催化作用,传感器的线性范围为0.01~6 mmol/L。

Carbon nanofiber(CNFs)decorated with copper-nickel(CuNi)nanoparticles were synthesized by electrospinning and applied as a novel platform for hydrogen peroxide(H2O2)determination.The crystal structure and composition of the synthesized CuNi-CNFs were characterized by X-ray diffraction and Roman spectroscopy.As to such nanocomposite,CNFs possesses large specific surface area and excellent electronic conductivity,the Cu and Ni nanoparticles own satisfied electrocatalytic activity.Undergo the synergistic interaction of Cu,Ni and CNFs,CuNi-CNFs exhibited a favourable electrocatalysis towards H2O2 with the linear range of 0.01-6 mmol/L.The prepared sensor displayed excellent reproducibility,stability and selectivity for detecting H2O2 in aqueous electrolytes.