| 单晶MoO3纳米片：静电纺丝法制备及光催化活性 |
| Electrospinning Preparation and Visible-Light Photocatalytic Activity of Single Crystal MoO3 Nanoplatelets |
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| 摘要: 以聚乙烯基吡咯烷酮(PVP)和钼酸铵((NH4)6Mo7O24·4H2O)为原料, 利用静电纺丝技术结合溶胶过程制备了PVP/(NH4)6Mo7O24·4H2O前躯体，对前躯体缓慢控温处理制备MoO3纳米材料。通过X-射线光电子能谱(XPS)﹑红外光谱(FTIR)﹑X射线粉末衍射(XRD)和场发射扫描电子显微镜(FE-SEM)等表征手段研究了热处理温度对MoO3晶体生长和结构的影响。以亚甲基蓝(MB)的光降解为模型反应，研究了MoO3微纳米材料的光催化性能。结果表明，热处理温度500 ℃时生成的MoO3纳米片光催化活性最好，并探讨了其光催化机理。 |
| 关键词: 静电纺丝 MoO3 纳米片 光催化活性 |
| 基金项目: |
| Abstract: PVP/(NH4)6Mo7O24·4H2O nanofibers was fabricated by electrospinning technique and then the electrospun precursors were calcined at different temperatures. In order to study the growth process of the crystal, X-ray photoelectron spectroscopy (XPS), Fourier transform infrared spectroscopy (FTIR), X-ray diffraction (XRD) and field emission scanning electron microscopy (FE-SEM) were used to characterize the samples. Importantly, the visible-light photocatalytic activity of samples was evaluated by employing methylene blue (MB) as a probe. The results suggest that MoO3 nanoplatelets are obtained at 500 ℃ and the best photocatalytic activity is achieved when using MoO3 nanoplatelets as a catalyst. |
| Keywords: electrospinning technology MoO3 nanofiber photocatalytic activity |
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| 荆飞飞,周德凤,杨国程,刘海涛,孟 健.单晶MoO3纳米片：静电纺丝法制备及光催化活性[J].无机化学学报,2011,27(3):527-532. |
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