1332574-38-5Relevant articles and documents
A supramolecular large band gap host for phosphorescent organic light-emitting diodes
Zhang, Jie,Zhang, Kai,Liu, Shengjian,Liang, Aihui,Huang, Xuelong,Huang, Fei,Peng, Junbiao,Cao, Yong
, p. 3829 - 3835 (2013/04/24)
A large band gap supramolecular polymer based on host-guest interactions was developed as the host material for phosphorescent organic light-emitting diodes. The dibenzo-24-crown-8, and dibenzylammonium salt functionalized fluorene-based large band gap compounds 1 and 2 were developed as the host and guest monomers, respectively. The resulting linear supramolecular polymer (SP) 3 was obtained from the self-organization of the host and guest monomers, which was validated by nuclear magnetic resonance, viscosity and differential scanning calorimetry studies. The SP 3 maintained the triplet energy level of the host monomer 1 and the guest monomer 2. The resulting device based on the supramolecular host material and a yellow-phosphorescent complex Ir(Flpy) 3 achieved a maximum luminance efficiency of 18.2 cd A-1.