Twist versus linkage mode: which one is better for the construction of blue luminogens with AIE properties?

Jie Yang; Jing Huang; Ning Sun; Qian Peng; Qianqian Li; Dongge Ma; Zhen Li

doi:10.1002/chem.201406190

Twist versus linkage mode: which one is better for the construction of blue luminogens with AIE properties?

Chemistry. 2015 Apr 27;21(18):6862-8. doi: 10.1002/chem.201406190. Epub 2015 Mar 16.

Authors

Jie Yang¹, Jing Huang, Ning Sun, Qian Peng, Qianqian Li, Dongge Ma, Zhen Li

Affiliation

¹ Department of Chemistry, Hubei Key Laboratory of Organic and Polymeric Optoelectronic Materials, Wuhan University, Wuhan 430072 (China), Fax: (86) 27-68756757.

PMID: 25777584
DOI: 10.1002/chem.201406190

Abstract

Two new blue luminogens, Py-4MethylTPE and Py-4mTPE, constructed with a pyrene core and tetraphenylethene peripheries, have been successfully obtained. These two luminogens show AIE and AEE effects, respectively, as a result of minor differences in their structures. An OLED device based on Py-4mTPE exhibits a good performance (ηC,max = 4.02 cd A(-1), λEL,max = 436 nm) and reveals the powerful effect of a different linkage mode for the construction of blue AIE luminogens.

Keywords: conjugation; density functional calculations; electrochemistry; luminescence; organic light-emitting diodes.