Tb^(3+)掺杂的纳米TiO_2粉体的水热法制备及其光谱研究  

Preparation of Nanocrystalline Titanium Dioxide Doped with Tb^(3+) by Hydro-Thermal Method and Its Spectral Study

作　　者：邹海峰[1] 潘河 李红波[1] 薛继伟[1] 郑克岩[1] 霍启升[1] 盛野[1] 

机构地区：[1]吉林大学化学学院/无机合成与制备化学国家重点实验室,长春130012 [2]黑龙江省地质矿产测试应用研究所,哈尔滨150036

出　　处：《吉林大学学报（地球科学版）》2010年第3期591-596,共6页Journal of Jilin University：Earth Science Edition

基　　金：无机合成与制备化学国家重点实验室(吉林大学)开放课题基金(2010-05);黑龙江省资源补偿费项目基金(sdk2008-026)

摘　　要：以钛酸正丁酯[Ti(OBu)4]为前驱体,通过水热法制备了稀土Tb3+掺杂的TiO2粉体样品,并利用激发光谱(PLE)、光致发光(PL)光谱对制得的样品进行了光谱研究。结果表明:水热法制备的掺杂有Tb3+的TiO2粉体在室温下可以得到Tb3+的特征发射,并且Tb3+离子的发光强度与制备条件有关,当反应温度为125℃、反应时间为72h、Tb3+的掺杂体积分数为12%时发射峰的强度达到最大。The samples of rare earth Tb 3＋-doped nanometer TiO_ 2 powder were prepared by means of hydrothermal process with N-butyl titanate [Ti（OBu）_ 4 ] as the precursor and were studied by using PLE spectra and PL spectra.The results show that the Tb 3＋-doped TiO_ 2 powder can produce the characteristic peaks of Tb 3＋ at room temperature,and the luminescence intensity is related to the conditions of preparation.When the reaction temperature is 125℃,reaction time is 72 h and the molar concentration of doped Tb 3＋ is 12%,the PL spectra intensity of Tb 3＋-doped TiO_ 2 powder arrives at the maximum.

关 键 词：水热法 纳米TiO_2 TB^3+ PL光谱 

分 类 号：P578.297[天文地球—矿物学]