Control of conjugation degree via position engineering to highly efficient phosphorescent host materials

Ye-Xin Zhang; Lei Zhang; Lin-Song Cui; Chun-Hong Gao; Hua Chen; Qian Li; Zuo-Quan Jiang; Liang-Sheng Liao

doi:10.1021/ol501603b

Control of conjugation degree via position engineering to highly efficient phosphorescent host materials

Org Lett. 2014 Jul 18;16(14):3748-51. doi: 10.1021/ol501603b. Epub 2014 Jul 3.

Authors

Ye-Xin Zhang¹, Lei Zhang, Lin-Song Cui, Chun-Hong Gao, Hua Chen, Qian Li, Zuo-Quan Jiang, Liang-Sheng Liao

Affiliation

¹ Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Institute of Functional Nano & Soft Materials (FUNSOM) & Collaborative Innovation Center of Suzhou Nano Science and Technology, Soochow University , Suzhou 215123, P.R. China.

PMID: 24992157
DOI: 10.1021/ol501603b

Abstract

The C3 meta-position of fluorene is utilized to construct high-triplet energy compounds. Incorporating a spiroacridine structure, two new host materials SAFDPA and SAFCz were facilely obtained. Their thermal and photophysical properties are fully investigated. The best efficiencies of 19.4%/21.5% of blue/white devices are achieved by SAFCz.