【摘要】 以双功能团配体ＳＣＮ－链接ＺｎＳ和稀土离子Ｔｂ３＋，制备了ＺｎＳＴｂ乙醇溶胶，以紫外吸收和光致发射光谱研究了其光学性质．该溶胶经紫外激发得到了Ｔｂ３＋的四个特征发射，分别对应于Ｔｂ３＋的５Ｄ４→７ＦＪ（Ｊ＝６，５，４，３）跃迁；Ｔｂ３＋的特征发射可能来自ＺｎＳ到Ｔｂ３＋的能量传递，即ＺｎＳ纳米微粒吸收能量，并将其通过ＳＣＮ－桥传递给稀土离子Ｔｂ３＋，从而导致Ｔｂ３＋的特征发射．文中还讨论了对双功能团桥联配体的一般要求．更多还原

【Abstract】 ? A novel synthesis method of ZnS∶Tb colloid was studied in alcohol system, in which that the Tb(Ⅲ) doped ZnS by a bifunctional ligand SCN-. ZnS∶Tb alcohol colloid has been sysnthesized and its optical properties was studied by UV absorption spectra and photoluminescence spectra. Excited at 300 nm, four luminescence peaks can be observed, which correspond to 5D4→7FJ(J=6,5,4,3) transition of Tb3+ ions, respectively. The characteristic emission of Tb3+ ions may come from the energy transfer from ZnS host to the activator, Tb3+ ions. The energy transfer can be realized by SCN bridge. 更多还原