| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 1641786 | Materials Letters | 2016 | 4 Pages |
•AgBr/Ag2CO3 heterojunction photocatalysts were prepared by a one-pot method.•The as-prepared composite photocatalysts show enhanced activity for dye degradation.•Effect of AgBr amount on the photocatalytic activity was investigated.
AgBr/Ag2CO3 heterojunctions were synthesized via a simple one-pot co-precipitation process. Namely, the growth of Ag2CO3 and AgBr crystals occurred simultaneously in one single process. The obtained samples were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), and UV–vis diffuse reflectance spectroscopy (DRS). The photocatalytic activity of as-prepared samples was investigated by degradation of Rhodamine B (RhB) under visible light irradiation. An enhancement in photocatalytic activity was observed in AgBr/Ag2CO3 composites compared with pure AgBr and Ag2CO3. We also investigated the effect of the ratio of AgBr/Ag2CO3 on the photocatalytic activity of the as-prepared heterojunctions. With the optimal theoretical Br−/CO32- molar ratio of 1:2, the sample exhibits the highest photocatalytic activity.
Graphical abstractAgBr/Ag2CO3 heterojunction photocatalysts were synthesized by a simple one-step co-precipitation method. The obtained material showed enhanced activity for dye degradation under visible light irradiation.Figure optionsDownload full-size imageDownload as PowerPoint slide
