1,3,6,8-Tetrakis[(triisopropylsilyl)ethynyl]pyrene: A highly efficient solid-state emitter for non-doped yellow electroluminescence devices

Simple molecule possesses high power: 1,3,6,8-Tetrakis[(triisopropylsilyl)ethynyl]pyrene (TTIPSEPy), a simple-structured molecule, shows strong solid-state photoluminescence with unity emission efficiency. Highly efficient non-doped organic light-emitting diodes are fabricated using TTIPSEPy as emitter, exhibiting stable yellow light (CIE = 0.41, 0.56) with high luminance and efficiency up to 26,400 cd/m(2) and 9.2 cd/A, respectively. (C) 2011 Elsevier B.V. All rights reserved.