Intrinsic room-temperature electrophosphorescence from a π-conjugated polymer -: art. no. 167401

被引：86

作者：

Lupton, JM

Pogantsch, A

Piok, T

List, EJW

Patil, S

Scherf, U

机构：

[1] Max Planck Inst Polymer Res, D-55128 Mainz, Germany

[2] Graz Univ, Inst Solid State Phys, A-8010 Graz, Austria

[3] Graz Univ Technol, Inst Solid State Phys, Christian Doppler Lab Adv Funct Mat, A-8010 Graz, Austria

[4] Inst Nanostruct Mat & Photon, A-8160 Weiz, Austria

[5] Univ Potsdam, Inst Chem, D-14476 Golm, Germany

来源：

PHYSICAL REVIEW LETTERS | 2002年 / 89卷 / 16期

关键词：

D O I：

10.1103/PhysRevLett.89.167401

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Electrically induced phosphorescence from a poly(para-phenylene) ladder-type polymer is observed for the first time and characterized using time resolved spectroscopy. Short-lived phosphorescence is also observed in gated fluorescence spectra and is found to be quenched reversibly by oxygen. Thermally activated triplet diffusion to covalently bound palladium sites, which are formed at a concentration of about 80 ppm in a side reaction during polymer synthesis, is believed to be the cause of this novel effect, which suggests a new approach to the design of efficient electroluminescent materials.

引用

页数：4

共 30 条

[1] Highly efficient phosphorescent emission from organic electroluminescent devices [J].