Exciplex formation and properties at organic solid interface in organic light emitting devices
有机发光器件中固态界面处激基复合物的形成及特性(英文)作者机构：Key Laboratory of Advanced Display and System Application of Education Ministry Shanghai University Shanghai 200072 P.R. China
出 版 物：《Journal of Shanghai University(English Edition)》 (上海大学学报（英文版）)
年 卷 期：2006年第10卷第2期
页 面：156-160页
基 金：ProjectsupportedbyNationalNaturalScienceFoundationofChina(GrantNo.90201034) ScienceFoundationofShanghaiMunicipalCommissionofScienceandTechnology(GrantNo.012261055) andScienceFoundationofShanghaiMunicipalCommissionofEducation(GrantNo.03AK26)
主 题：organic electroluminescence photoluminescence exciplex color tuning molecular structure
摘 要：The bilayer organic light emitting devices （OLEDs） using two common aromatic diamines as hole transporting materials （HTMs） and BBOT （2,5-bis（5-tert-butyl-2-benzoxazolyl）thiophene） as electron transporting material have been prepared, in which the electroluminescent spectra are different from the fluorescent spectra of each of the constituent materials. The electroluminescence is mainly attributed to exciplex confirmed by photoluminescence and electroluminescence measurements, and the type of exicplex is deternfined in terms of the energy level diagram of the bilayer devices, By comparing the molecular structures and energy levels of TPD and NPB, it is demonstrated that the structure of a molecule as well as its energy level has an effect on the exciplex formation.
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