%0 Journal Article %T New carbazole-based host material for low-voltage and highly efficient red phosphorescent organic light-emitting diodes %A Kwak, Jeonghun %A Lyu, Yi-Yeol %A Lee, Hyunkoo %A Choi, Bonggoo %A Char, Kookheon %A Lee, Changhee %J Journal of Materials Chemistry %V 22 %N 13 %P 6351-6355 %@ 0959-9428 %D 2012-03-06 %I The Royal Society of Chemistry %~ DeepDyve