One-step route for Z-scheme Al2(WO4)3/Bi2WO6 heterojunction toward superior photoelectric and photocatalytic performance
| العنوان: | One-step route for Z-scheme Al2(WO4)3/Bi2WO6 heterojunction toward superior photoelectric and photocatalytic performance |
|---|---|
| المؤلفون: | Qizhi Tian, Weimin Ouyang, Yugui Wang, Yajun Ji |
| المصدر: | Functional Materials Letters. 15 |
| بيانات النشر: | World Scientific Pub Co Pte Ltd, 2021. |
| سنة النشر: | 2021 |
| مصطلحات موضوعية: | General Materials Science |
| الوصف: | Herein, Al2(WO[Formula: see text]/Bi2WO6 heterojunctions with [Formula: see text]-type structure were successfully prepared by a one-step hydrothermal method. Moreover, the effects of different composite ratios on the properties of materials were explored. The electrochemical tests and photocatalytic degradation experiments showed that the corresponding Al2(WO[Formula: see text]/Bi2WO6 heterojunctions all exhibited improved electrochemical performance and photocatalytic performance than that of the bare Bi2WO6 material. Especially, when the molar ratio of Al to Bi was 2:1, the obtained Al2(WO[Formula: see text]/Bi2WO6 heterojunction displayed the optimal photoelectric and photocatalytic performance. In detail, it depicted the highest photocurrent density, the smallest resistance and the fastest charge transfer rate. What’s more, the RhB solution (10 ppm) could be completely degraded in 30 min under visible-light irradiation, and the removal rate was almost 1.6 times than that of pure Bi2WO6 nanosheets. In the same condition, it also exhibited excellent photocatalytic performance for the degradation of tetracycline (TC) solution (10 ppm) and the K2Cr2O7 solution (40 ppm). These results fully manifested that the constructed Al2(WO[Formula: see text]/Bi2WO6 heterojunction possessed superior photoelectric conversion capacity and outstanding photocatalytic performance. Moreover, based on the obtained experimental results, a [Formula: see text]-scheme mechanism of catalytic degradation of RhB and TC under simulated solar light was proposed and discussed. |
| تدمد: | 1793-7213 1793-6047 |
| URL الوصول: | https://explore.openaire.eu/search/publication?articleId=doi_________::4361f3e074ddd4c4d9604790e0dda719 https://doi.org/10.1142/s1793604722510080 |
| رقم الأكسشن: | edsair.doi...........4361f3e074ddd4c4d9604790e0dda719 |
| قاعدة البيانات: | OpenAIRE |
| تدمد: | 17937213 17936047 |
|---|