title: Electrogenerated chemiluminescence of bismuth sulfide nanorods modified electrode in alkaline aqueous solution.
abstract: Electrogenerated chemiluminescence (ECL) behavior of a bismuth sulfide nanorods modified glassy carbon electrode (NR-GCE) was investigated in alkaline aqueous solution for the first time. One weak ECL peak of the NR-GCE was observed around -1.70 V when the electrode potential was scanned from 0.0 V to -2.0 V. The intensity of the ECL peak was enhanced greatly in the presence of either H2O2 or persulfate. The dissolved oxygen, the pH and the supporting electrolytes of the working solution could influence ECL emission noticeably. Under the optimal conditions, the ECL signal displayed a good linear relationship with the concentration of hydrogen peroxide in the range of 5.0 × 10(-7) to 1.0 × 10(-4) mol L(-1) with a correlation coefficient of 0.997 and a detection limit of 2.0 × 10(-7) mol L(-1) at the signal-to-noise ratio of 3. A possible ECL mechanism of the NR-GCE was also proposed.
authors: School of Chemistry and Chemical Engineering, Institution of Molecular Engineering and Applied Chemistry, Anhui University of Technology, 243002, Maanshan, China. dongyp@ahut.edu.cn
authors: YongPing
authors: Y
authors: Dong
authors: LiZhai
authors: L
authors: Pei
authors: XiangFeng
authors: X
authors: Chu
authors: WangBing
authors: W
authors: Zhang
authors: QianFeng
authors: Q
authors: Zhang