摘要
磷烯自从被发现以来掀起了广泛的研究浪潮,其在催化、生物医药、能源、食品等研究领域得到了广泛的应用.磷烯是一种富含磷原子的二维材料,由于其表面存在孤对电子,磷烯极易与氧气和水反应而形成磷酸衍生物.微机械剥离法、电化学剥离法、高压均质法等方法存在不能大批量制备、样品尺寸较大且层间距较厚等缺点.机械球磨法的出现,具有省时高效操作简便等优点.因此采用机械球磨法制备磷烯,并通过拉曼光谱(Raman)、X射线光电子能谱(XPS)与X射线衍射(XRD)对磷烯进行结构表征,表明成功制备了正交晶系的磷烯.之后采用扫描电子显微镜(SEM)、透射电子显微镜(TEM)、原子力显微镜(AFM)等手段对剥离的磷烯进行形貌特征观测,表明了制备的磷烯具有较薄的片层结构.将为大批量制备尺寸均匀的磷烯提供一种新的策略.
Abstract
Phosphorene has sparked a huge research wave since it is discovered,and it has been widely used in catalysis,biomedicine,energy,and food fields.Phosphene is rich in phosphorus atoms,which is prone to react with oxygen and water to form phosphate derivatives due to the presence of lone pair electrons on its surface.The methods of micromechanical peeling,electrochemical peeling,and high-pressure homogenization exist drawbacks such as inability to prepare in large batches,large size,and thick interlayer spacing.Therefore,the mechanical ball milling method was carried out to prepare in this article.The structure of phosphene were characterized through Raman spectroscopy(Raman),X-ray photoelectron spectroscopy(XPS),and X-ray diffraction(XRD),proving the successful preparation of phosphene.Subsequently,scanning electron microscopy(SEM),transmission electron microscopy(TEM),atomic force microscopy(AFM)were adopted to observe the morphology characteristics of the phosphene,indicating that phosphene have a relatively thin layered structure.This article will provide a new strategy for the large-scale preparation of phosphenes.
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