掺杂不同一维纳米材料的空穴缓冲层对有机电致发光器件性能的影响  

The Influence of Holes Buffer Layer Doped with Different One-Dimensional Nanomaterials on the Performance of Polymer Light-Emitting Diodes

作　　者：钱磊[1] 滕枫[1] 徐征[1] 权善玉[1] 刘德昂[1] 王元敏[1] 王永生[1] 徐叙[1] 

机构地区：[1]北京交通大学光电子技术研究所发光与光信息技术教育部重点实验室,北京100044

出　　处：《光谱学与光谱分析》2006年第4期601-604,共4页Spectroscopy and Spectral Analysis

基　　金：国家自然科学基金(10374001;90301004;10434030);"973"国家重大基研项目(2003CB314707);中国博士后科学基金(2003034324);北京市自然科学基金(2032015);北京市科技新星计划(20041310);北京交通大学攀登计划基金(PD197;PD198)资助项目

摘　　要：对一维纳米材料在空穴缓冲层PEDOT中的作用进行了研究。光致发光表明在PEDOT中掺杂一维纳米材料(二氧化钛纳米管和氧化锌纳米棒)可以提高双层样品PEDOT/MEH-PPV的发光效率。拉曼光谱的结果说明正是由于一维纳米材料与PEDOT之间存在的强相互作用,才减少了PEDOT/MEH-PPV界面上猝灭发光的缺陷态的产生。在以MEH-PPV作为发光层的聚合物电致发光器件中,在PEDOT中掺杂二氧化钛纳米管和氧化锌纳米棒后,器件的最大效率分别提高了2倍和2.5倍。The effect of holes buffer layer PEDOT doped with one-dimensional nanomaterials on the performance of polymer light-emitting diodes was investigated. The photoluminescence efficiency of double layer sample PEDOT/MEH-PPV was enhanced by doping one-dimensional nanomaterials （TiO2 nanotube and ZnO nanorod） into PEDOT layer. Stronger interaction of one-dimensional nanomaterials and PEDOT suppressed the creation of defect states which can quench radiative recombination of excitons. The electroluminescence efficiency of device was improved by 2 and 2.5 folds by doping TiO2 nanotubes and ZnO nanorods into holes buffer layer PEDOT respectively.

关 键 词：一维纳米材料 空穴缓冲层 掺杂 

分 类 号：TN383.1[电子电信—物理电子学]