【摘要】 利用沸石分子筛中规则的孔洞,制备了CdSe半导体纳米团簇样品。正电子湮没寿命谱及高分辨透射电子显微镜表明CdSe团簇生长在沸石的笼内以及沸石的表面,随着CdSe在沸石分子筛中质量比的增加,CdSe更多的聚集在沸石的表面。更多还原

【Abstract】 Using these channels and voids as templates,we have prepared CdSe nanoclusters in zeolite Y.The results of positron annihilation lifetime measurements and the observation by high-resolution transmission electron microscopy indicate CdSe cluster are located in supercages,sodalite cages and surfaces of zeolites.As CdSe loading concentration increases,CdSe clusters assemble on surfaces of zeolite Y.更多还原