1416881-50-9

2CzPN is a highly efficient TADF sky blue emitter with two?electron-donating?carbazolyl moieties?attached to the?electron-withdrawing dicyanobenzene ring. The carbazolyl units are noticeably?distorted from the dicyanobenzene plane by steric hindrance,?leading to a small ΔEST?of 0.09 eV.

[1]  SUN J W, KIM K H, MOON C, et al. Highly Efficient Sky-Blue Fluorescent Organic Light Emitting Diode Based on Mixed Cohost System for Thermally Activated Delayed Fluorescence Emitter (2CzPN).[J]. ACS applied materials & interfaces, 2016, 8 15: 9806-9810. DOI:10.1021/acsami.6b00286.
[2]  ZHENG Y, YU J, LI W, et al. Performance enhancement of small molecular solar cells via luminescent sensitizer 4,5-bis(carbazol-9-yl)-1,2-dicyanobenzene (2CzPN)[J]. Journal of Physics D: Applied Physics, 2020, 53. DOI:10.1088/1361-6463/ab4c07.