Chemical communications

Ultraviolet-emitting conjugated polymer poly (9, 9′-alkyl-3, 6-silafluorene) with a wide band gap of 4.0 eV

Y Mo, R Tian, W Shi, Y Cao

Index: Mo, Yueqi; Tian, Renyu; Shi, Wei; Cao, Yong Chemical Communications, 2005 , # 39 p. 4925 - 4926

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Citation Number: 75

Abstract

In this paper we report a novel conjugated polymer, poly(9,9′-alkyl-3,6-silafluorene) with a wide band gap of 4.0 eV. Although a homopolymer, poly(2,7-silafluorene) has been reported by a Cambridge group recently, 12 poly(2,7-silafluorene) has a band gap of 2.93 eV with an emission peak at around 420 nm in film, which is similar to its carbon analog polyfluorene 13 or its nitrogen analog polycarbazole. 14,15 Silafluorene is of great interest since it contains a highly ...