Iridium(III) complexes adopting thienylpyridine derivatives for yellow-to-deep red OLEDs with low efficiency roll-off. - Niu, Zhi-Gang; Yan, Li-Ping; Wu, Lei; Chen, Guang-Ying; Sun, Wei; Liang, Xiao; Zheng, You-Xuan; Li, Gao-Nan; Zuo, Jing-Lin (Dyes & Pigments, 2019)