XU CHUN SONG
Articles written in Bulletin of Materials Science
Volume 40 Issue 7 December 2017 pp 1329-1333
The highly effective g-C$_3$N$_4$ hybridized CdS photocatalysts were synthesized via a successive calcination andhydrothermal process. The as-prepared photocatalysts were characterized by X-ray powder diffraction, transmission electronmicroscopy and UV–Vis diffuse reflectance spectroscopy. The photocatalytic performance of the C$_3$N$_4$/CdS nanocomposites was evaluated by the photodegradation of RhB under visible light irradiation. The results showed that photocatalytic ability of the C$_3$N$_4$/CdS nanocomposites was higher than that of pure C$_3$N$_4$ and CdS. The enhanced photocatalytic activity could be attributed to the high separation efficiency of the photo-excited electron-hole pairs. A possible mechanism of the photocatalytic degradation of RhB on C$_3$N$_4$/CdS nanocomposites was also proposed.
Volume 41 Issue 2 April 2018 Article ID 0035
A novel ferric oxide/multi-walled carbon nanotubes (Fe$_2$O$_3$/MWCNTs)-modified glassy carbon electrode (GCE)was prepared by drop casting Fe$_2$O$_3$/MWCNTs onto the surface of GCE. Scanning electron microscopy (SEM) image shows that the Fe2O3/MWCNTs has a nanostructure. Cyclic voltammetry (CV) results show that the Fe$_2$O$_3$/MWCNTsmodifiedGCE presents excellent electrochemical activity in the presence of 1 mM nitrite in a 0.1 M phosphate-buffered saline (PBS) to compare the Fe$_2$O$_3$ and MWCNTs-modified GCE. Differential pulse voltammetry (DPV) results also showthat the Fe$_2$O$_3$/MWCNTs has excellent electrocatalytic performance to nitrite in a pH 7.0 PBS. The amperometric response result shows that the Fe$_2$O$_3$/MWCNTs-modified GCE can be used to detect nitrite concentration in a wide linear range of 10–1000 $\mu$M with a detection limit of 0.1 $\mu$M.
Volume 43, 2020
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