摘要：采用溶胶-凝胶法及辅助氧化铝模板法分别制备CaWO₄粉体和CaWO₄一维阵列,研究合成CaWO₄粉体和一维陈列的光致发光特性。结果表明,制备的样品是纯CaWO₄粉体;CaWO₄粉体的强发光峰是位于410 nm的宽带谱,而CaWO₄一维阵列的强发光峰在450 nm处,其光致发光曲线呈现宽化和强发光峰位的红移,这是样品和模板的光致发光光谱耦合的结果。

关键词：CaWO₄粉体；溶胶-凝胶法；多孔氧化铝模；一维阵列

Abstract：CaWO₄ powders and CaWO₄ one-dimensional arrays were synthesized by sol-gel method and nano-porous alumina template enhancement.Photol uminescence characteristics of CaWO₄ powders and one-dimensional arrays were studied.The results show that the samples are pure calcium tungstate powders.The luminescent spectrum strongest peak of CaWO₄powders is broadband spectrum at 410 nm,while that of CaWO₄ one-dimensional arrays is at 450 nm.Due to the samples and the template spectrum coupling,the photoluminescence peak has obviously red shift.

Keywords：calcium tungstate powder;sol-gel method;nano-porous alumina template;one-dimensional array