Highly-dispersed iron element decorated nickel foam synthesized by an acid-free and one-pot method for enzyme-free glucose sensor

被引:2
作者
Zhang, Yin-he [1 ]
Huang, Su-ping [1 ]
Xiao, Qi [2 ]
机构
[1] Cent South Univ, State Key Lab Powder Met, Changsha 410083, Peoples R China
[2] Cent South Univ, Sch Minerals Proc & Bioengn, Changsha 410083, Peoples R China
关键词
one-pot synthesis; acid-free; highly-dispersed iron element; nickel foam; non-enzymatic glucose sensor; NI FOAM; NANOPARTICLES; NANOWIRES; SURFACE;
D O I
10.1007/s11771-021-4636-7
中图分类号
TF [冶金工业];
学科分类号
0806 ;
摘要
The highly-dispersed iron element decorated Ni foam was prepared by simple immersion in a ferric nitrate solution at room temperature without using acid etching, and characterized by X-ray powder diffraction (XRD), scanning electron microscopy (SEM), EDAX spectrum (EDAX mapping) and Raman spectroscopy. The EDAX spectrum illustrated that iron element was highly-dispersed over the entire surface of nickel foam, and the Raman spectroscopy revealed that both Ni-O and Fe-O bonds were formed on the surface of the as-prepared electrode. Moreover, the iron element decorated Ni foam electrode can be used as non-enzymatic glucose sensor and it exhibits not only an ultra-wide linear concentration range of 1-18 mmol/L with an outstanding sensitivity of 1.0388 mA center dot mmol/(L center dot cm(2)), but also an excellent ability of stability and selectivity. Therefore, this work presents a simple yet effective approach to successfully modify Ni foam as non-enzymatic glucose sensor.
引用
收藏
页码:669 / 678
页数:10
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