Morphology and photoluminescence of BaMoO_4 micro-and nano-crystals synthesized by coprecipitation method  

共沉淀法制备BaMoO_4微米和纳米晶的形貌和光致发光(英文)

作　　者：Marziyeh GHAED-AMINI Mehdi BAZARGANIPOUR Masoud SALAVATI-NIASARI Kamal SABERYAN 

机构地区：[1]Institute of Nano Science and Nano Technology, University of Kashan [2]Nanotechnology and Advanced Materials Institute, Isfahan University of Technology [3]Nuclear Fuel Cycle Research School,NSTRI

出　　处：《Transactions of Nonferrous Metals Society of China》2015年第12期3967-3973,共7页中国有色金属学报（英文版）

摘　　要：Barium molybdate（Ba Mo O4） micro- and nano-crystals were synthesized by the coprecipitation method. Utilizing the water as the solvent provides octahedron-like nanostructures. These nano-crystals were structurally characterized by X-ray diffraction, energy dispersive X-ray micro-analysis, Fourier transform infrared spectra. The size and shape were observed by scanning electron microscopy. The optical properties were studies by ultraviolet-visible diffuse reflectance spectroscopy and photoluminescence measurements at room temperature. The effects of temperature, solvent, surfactant and barium source were considered to obtain a controlled shape. It is found that the morphology, particle size and phase of the final products are extremely affected by these parameters.通过共沉淀法制备钼酸钡(Ba Mo O4)微米和纳米晶。采用水作为溶剂可得到八面体状的纳米结构。利用X射线衍射、X射线能谱显微分析和傅里叶变换红外光谱对这些纳米晶结构进行表征,使用扫描电镜观察其尺寸和形貌,通过室温下的紫外-可见反射光谱和光致发光测量研究其光学性能。研究温度、溶剂、表面活性剂和钡源对可控形貌的影响,发现这些参数都极大地影响最终产物的形貌、颗粒尺寸和相。

关 键 词：BAMOO4 MICROCRYSTALS NANOCRYSTALS coprecipitation PHOTOLUMINESCENCE 

分 类 号：TB383.1[一般工业技术—材料科学与工程] TQ132.35[化学工程—无机化工]