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| Content Provider | Royal Society of Chemistry (RSC) |
|---|---|
| Author | Zhu, Jianxi Zhu, Gangqiang He, Hongping Liang, Xiaoliang Xu, Yin Liu, Yun Xu, Tianyuan Zhu, Runliang |
| Copyright Year | 2016 |
| Abstract | This work synthesized a C60/Ag3PO4 composite via the modification of Ag3PO4, by incorporation of an acid treated fullerene (C60), with the aim of improving the photocatalytic activity and stability of Ag3PO4. XRD, SEM, Raman, XPS, PL, and UV-vis DRS were used to study the structural characteristics of the obtained photocatalysts. Acid red 18 (AR18) was adopted to evaluate the photocatalytic activity of the as-prepared photocatalysts under visible light irradiation. The results showed that C60 was successfully hybridized with Ag3PO4, and the C60/Ag3PO4 composite showed higher photocatalytic activity and better stability than Ag3PO4. The enhancement of photocatalytic activity strongly depended on the amount of C60 on Ag3PO4, and the optimum amount was found to be a weight ratio of 2% (C60/Ag3PO4). Superoxide radical anions (O2˙−) were confirmed to be the main participants in the degradation of AR18, determined by the active free radical capture experiments, and O2˙− production by 2% C60/Ag3PO4 was nearly 1.5 times higher than that by Ag3PO4. The superior photocatalytic activity and stability of C60/Ag3PO4 could be attributed to the presence of C60, which can not only be used as an electron acceptor for photo-induced electrons from Ag3PO4 to reduce the recombination of photo-induced electron–hole pairs, but also to improve O2˙− production during the photocatalysis process. |
| Starting Page | 85962 |
| Ending Page | 85969 |
| Page Count | 8 |
| File Format | HTM / HTML PDF |
| ISSN | 20462069 |
| Volume Number | 6 |
| Issue Number | 89 |
| Journal | RSC Advances |
| DOI | 10.1039/c6ra18657b |
| Language | English |
| Publisher | Royal Society of Chemistry |
| Access Restriction | Open |
| Subject Keyword | Fullerene X-ray crystallography ArmaLite AR-18 Oxygen Photocatalysis Carrier generation and recombination Free-radical halogenation SEM Raman Electron acceptor |
| Content Type | Text |
| Resource Type | Article |
| Subject | Chemistry Chemical Engineering |
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