期刊
JOURNAL OF APPLIED ELECTROCHEMISTRY
卷 41, 期 12, 页码 1419-1423出版社
SPRINGER
DOI: 10.1007/s10800-011-0364-2
关键词
Silver nanoparticles; 2-(N-morpholine) ethane sulfonic acid; Hydrogen peroxide; Amperometric sensor
资金
- Anhui Key Laboratory of Spin Electron and Nanomaterials (Cultivating Base) [2010YKF08, 2010YKF09, 2010 YKF06, 2011YKF01]
A sensitive amperometric hydrogen peroxide (HP) sensor was constructed based on silver nanoparticles/poly(2-(N-morpholine) ethane sulfonic acid) (PMES) modified glassy carbon electrode. PMES and silver nanoparticles were orderly introduced to the surface of the electrode by electrochemical methods and characterized by cyclic voltammetry, scanning electron microscopy, and X-ray powder diffraction. The fabricated electrode showed a good electrocatalytic activity toward the reduction of HP with a line range from 0.6 mu M to 0.54 mM and a detection limit of 0.18 mu M. In addition, the sensor exhibited favorable reproducibility and good long-term stability, and was applied to determine HP in real sample with satisfactory result.
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