%0 Journal Article %T An Electroluminescence and Emission Mechanism for Small Molecular Doped Polymer Light-Emitting Diodes
有机小分子掺杂的聚合物发光二极管电致发光及其发射机制 %A Nie Hai %A Tang Xianzhong %A Chen Zhu %A Wu Lijuan %A
聂海 %A 唐先忠 %A 陈祝 %A 吴丽娟 %J 半导体学报 %D 2008 %I %X Small-molecule doped polymer light-emitting diodes have been fabricated using a novel PTPD (poly-TPD) as the hole transport material and highly fluorescent Rubrene as the dopant.Electroluminescent characteristics of different doped concentrations are studied at different voltages.The results indicate doping can control luminescence color.EL spectra and PL spectra have been investigated in Rubrene doped PTPD devices.Experiments indicate the presence of energy transfer and charge transfer from PTPD to Rubrene for PL and the presence of energy transfer and carrier trapping from PTPD to Rubrene for EL.The EL emission mechanism for doped devices is carrier trapping and Forster energy transfer processes working together. %K PTPD
掺杂 %K 发射机制 %U http://www.alljournals.cn/get_abstract_url.aspx?pcid=5B3AB970F71A803DEACDC0559115BFCF0A068CD97DD29835&cid=1319827C0C74AAE8D654BEA21B7F54D3&jid=025C8057C4D37C4BA0041DC7DE7C758F&aid=F91253DC4FC616438A7F0581D655B796&yid=67289AFF6305E306&vid=771469D9D58C34FF&iid=5D311CA918CA9A03&sid=E9CA94BE2885A5DD&eid=393263B6B7532F22&journal_id=1674-4926&journal_name=半导体学报&referenced_num=0&reference_num=22