Facile synthesis of spirocyclic aromatic hydrocarbon derivatives based on o-halobiaryl route and domino reaction for deep-blue organic semiconductors

Feng Liu, Ling Hai Xie, Chao Tang, Jing Liang, Qing Quan Chen, Bo Peng, Wei Wei, Yong Cao, Wei Huang

Research output: Contribution to journalArticlepeer-review

106 Scopus citations

Abstract

Conventional o-halobiaryl and one-pot tandem protocols have been developed to synthesize naphthalene- and pyrene-containing spirofluorenes. Two pyrene substituents were installed using a Suzuki cross-coupling reaction to produce a series of spirofluorene-functionalized polycyclic aromatic hydrocarbon derivatives, DPSBFF, DPSIPF, DPSDBXF, and DPSFX. A preliminary spin-coated device based on DPSFX:PVK blends exhibits a low turn-on voltage of 4.3 V and deep-blue emission with a current efficiency of 1.1 cd/A.

Original languageEnglish
Pages (from-to)3850-3853
Number of pages4
JournalOrganic Letters
Volume11
Issue number17
DOIs
StatePublished - 3 Sep 2009
Externally publishedYes

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