Excitation energy transfer from polyfluorene to fluorenone defects

被引：53

作者：

Gong, X

Moses, D ^{[1
]}

Heeger, AJ

Xiao, S

机构：

[1] Univ Calif Santa Barbara, Inst Polymers & Organ Solids, Santa Barbara, CA 93106 USA

[2] Univ Calif Santa Barbara, Dept Phys, Santa Barbara, CA 93106 USA

[3] Univ Calif Santa Barbara, Dept Mat, Santa Barbara, CA 93106 USA

[4] Amer Dye Source Inc, Quebec City, PQ H9X 3T6, Canada

来源：

SYNTHETIC METALS | 2004年 / 141卷 / 1-2期

关键词：

excitaton energy; fluorenone defects; energy transfer;

D O I：

10.1016/j.synthmet.2003.06.003

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Poly(9,9-dioctylfluorene-co-fluorenone) with 1% fluorenone, (PFO-F(1%)), was synthesized as a model compound to investigate the optical and electrical effects of fluorenone defects in poly(9,9-dioctylfluorenyl-2,7-diyl), PFO. Photoluminescence (PL) studies indicate efficient Forster energy transfer from PFO to fluorenone "impurities" which are responsible for the pronounced green emission from PFO-F(1%). In electroluminescence (EL), the more pronounced green emission from PFO-F(1%) results from a combination of Forster energy transfer, charge carrier trapping, and relatively easy injection (from the electrodes) of carriers into the fluorenone traps. (C) 2003 Elsevier B.V. All rights reserved.

引用

页码：17 / 20

页数：4

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