摘要
采用溶胶凝胶法合成ＺｎＳ∶ＴＭ（ＴＭ＝ Ｍｎ， Ｃｕ）水溶胶， 研究了它们的光学性质． 通过吸收光谱计算得到微粒的尺寸约为３～４ｎｍ ． 光致发射光谱中给出了所对应掺杂中心的发射带， 其能量来源于基质ＺｎＳ的吸收． 通过旋涂法制备了ＺｎＳ∶Ｃｕ 纳米微粒ＥＬ器件， 测定了其启动电压和耐压值以及ＥＬ光谱强度与电压的关系，
In this paper, ZnS∶ TM ( TM =Mn, Cu) colloid were synthesized by Sol Gel method and their optical properties were studied by UV absorption spectra, PL and EL spectra. The size of particles is approximately 3～4nm deduced from absorption spectra. PL spectra show emission band of the corresponded doping center, which come from absorption of ZnS host. EL devices of ZnS∶ TM ( TM =Mn, Cu) nanoparticle were fabricated by spin coating method, the turn on voltage and EL intensity with operating voltage were measured. A probable explanation was given for the PL and EL properties .
出处
《发光学报》
EI
CAS
CSCD
北大核心
1999年第3期247-247,共1页
Chinese Journal of Luminescence
基金
国家自然科学基金
国家科技部攀登计划
国家教育部博士点基金
北大方正基金
中国博士后基金
关键词
水溶胶
光至发光
电致发光
EL器件
硫化锌
ZnS∶ TM colloid
photoluminescence
electroluminescence
EL device
