Lanzhou University of Technology Institutional Repository (LUT_IR)
Preparation of BiFeO3-Graphene Nanocomposites and Their Enhanced Photocatalytic Activities | |
Dai, J. F.1,2; Xian, T.1,2; Di, L. J.2; Yang, H.1,2 | |
2013 | |
发表期刊 | JOURNAL OF NANOMATERIALS |
ISSN | 1687-4110 |
卷号 | 2013 |
摘要 | BiFeO3 nanoparticles were prepared via a polyacrylamide gel route. BiFeO3 - graphene nanocomposites were fabricated by mixing BiFeO3 nanoparticles and graphene into absolute ethanol solution followed by thermal drying. The TEM observation demonstrates that the BiFeO3 nanoparticles are well anchored onto graphene sheets. The photocatalytic activities of the as- prepared samples were evaluated by the degradation ofmethyl orange ( MO) under simulated sunlight irradiation. Compared to bare BiFeO3 nanoparticles, BiFeO3 - graphene nanocomposites exhibit enhanced photocatalytic activity. The outstanding photocatalytic performance is mainly ascribed to the efficient transfer of photogenerated electrons from BiFeO3 to graphene, thus leading to an increased availability of h(+) for the photocatalytic reaction. In addition, hydroxyl (.OH) radicals were detected by the photoluminescence technique using terephthalic acidas a probemolecule andare foundtobeproducedonthe irradiatedBiFeO(3) and BiFeO3 - graphene nanocomposites; in particular, an enhanced yield is observed for the latter. |
DOI | 10.1155/2013/642897 |
收录类别 | SCI |
语种 | 英语 |
资助项目 | National Natural Science Foundation of China[50962009][51262018] ; theHongliu Outstanding Talents Foundation of Lanzhou University of Technology[J201205] |
WOS研究方向 | Science & Technology - Other Topics ; Materials Science |
WOS类目 | Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary |
WOS记录号 | WOS:000327309600001 |
出版者 | HINDAWI LTD |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | https://ir.lut.edu.cn/handle/2XXMBERH/34770 |
专题 | 省部共建有色金属先进加工与再利用国家重点实验室 材料科学与工程学院 理学院 |
通讯作者 | Yang, H. |
作者单位 | 1.Lanzhou Univ Technol, State Key Lab Gansu Adv Nonferrous Met Mat, Lanzhou 730050, Peoples R China 2.Lanzhou Univ Technol, Sch Sci, Lanzhou 730050, Peoples R China |
第一作者单位 | 省部共建有色金属先进加工与再利用国家重点实验室; 理学院 |
通讯作者单位 | 省部共建有色金属先进加工与再利用国家重点实验室; 理学院 |
第一作者的第一单位 | 省部共建有色金属先进加工与再利用国家重点实验室 |
推荐引用方式 GB/T 7714 | Dai, J. F.,Xian, T.,Di, L. J.,et al. Preparation of BiFeO3-Graphene Nanocomposites and Their Enhanced Photocatalytic Activities[J]. JOURNAL OF NANOMATERIALS,2013,2013. |
APA | Dai, J. F.,Xian, T.,Di, L. J.,&Yang, H..(2013).Preparation of BiFeO3-Graphene Nanocomposites and Their Enhanced Photocatalytic Activities.JOURNAL OF NANOMATERIALS,2013. |
MLA | Dai, J. F.,et al."Preparation of BiFeO3-Graphene Nanocomposites and Their Enhanced Photocatalytic Activities".JOURNAL OF NANOMATERIALS 2013(2013). |
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