摘要
采用水热法,以十六烷三甲基溴化氨(C16TAB)作为表面活性剂,在填充度为75%和温度180℃的条件下,制备了ZnS:Mn的纳米发光粉体.利用激发光谱、发射光谱和透射电子显微镜对其光学特性和形貌进行了研究.实验发现,与未进行表面修饰的ZnS:Mn纳米粒子相比,ZnS:Mn纳米颗粒发光亮度增加数倍,而且随着表面活性剂浓度的增加,ZnS:Mn发光强度显著增强.当质量比m(C16TAB)∶m(Zn)=1∶5时,发光强度达到最大,粒径分布均匀,呈球形,平均粒度为50 nm.
ZnS：Mn nano-sized powders were synthesized hy hydrothermal method, using C16TAB as surfactant, the fill factor was 75%, reaction temperature of 180℃. The optical properties and the morphology of ZnS： Mn are studied by exssion spectra, emssion spectra and transmission electron microscopy（TEM）. The result indicated that the uncoated ZnS：Mn nanoparticles is much stronger than that in surfactant ones. With C16TAB concentration increasing, the luminescent intensity of ZnS：Mn grew strong. When m （C16 TAB ）：m （Zn） was 1/5, the mast luminescent intensity was achieved. It is found that the particles of ZnS：Mn exposed ferrite has an average size of 50nm. Key words： hydrothermal; surfactant; luminescent power
出处
《河北大学学报（自然科学版）》
CAS
北大核心
2008年第2期147-151,共5页
Journal of Hebei University(Natural Science Edition)
基金
河北省自然科学基金资助项目(E2006001008
E2007000197)
关键词
水热法
表面活性剂
发光粉体
hydrothermal
surfactant
luminescent power
