作　　者： (李英杰）; (朱丽华）; (吕仁江）; (赵楠）; (郑伟伟）; (王宇嘉）;

机构地区： 齐齐哈尔大学化学与化学工程学院,齐齐哈尔161006

出　　处： 《机械工程材料》 2017年第8期35-39,共5页

摘　　要： 将以AgNO_3和NH_4VO_3为原料制备的前驱体溶液在不同温度水热反应不同时间后,于600℃煅烧得到Ag_3VO_4粉体,研究了粉体的微观形貌和物相组成,确定了较佳的反应温度和时间,并分析了该粉体的结构与光致发光性能。结果表明:制备Ag_3VO_4粉体的较佳反应温度为180℃、时间12h,在该条件下得到的Ag_3VO_4粉体呈棒状,直径为2~3μm,具有介孔结构,孔径约为27nm,比表面积为1 181m^2·g^(-1);此Ag_3VO_4粉体在波长521~595nm范围内有荧光发射峰,在553.1nm处发射峰的强度最大,具有良好的的光致发光性能。 The precursor solution was prepared with AgNO3 and NH4VO3 as raw materials,and solvothermal reacted at different temperatures for different times.Then the products were sintered at 600℃ and the Ag3VO4 powder was obtained.The morphology and phase composition of the powder were studied and the relatively optimal reaction temperature and time were determined.The structure and photoluminescence property of the powder were also analyzed.The results show that the relatively optimal reaction temperature of Ag3VO4 powder was 180 ℃ and the time was 12 h.Under this condition,the synthesized Ag3VO4 powder was microrod-like with the diameter of 2-3 μm.The powder had a mesoporous structure with the pore size of about 27 nm and the specific surface area of 1 181 m^2·g^-1.The fluorescence emission peak of Ag3VO4 powder was in the wavelength range of 521-595 nm and the emission peak strength at 553.1 nm was the highest,showing agood photoluminescence property.

关 键 词： 粉体 介孔 水热合成 光致发光性能