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首页> 外文期刊>Chemical Physics Letters >Oxygen quenching of PtTFPP in FIB polymer: a sequential process?
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Oxygen quenching of PtTFPP in FIB polymer: a sequential process?

机译:FIB聚合物中PtTFPP的氧猝灭:顺序过程?

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摘要

Oxygen quenching of PtTFPP in FIB polymer is analyzed using a discrete exponential model (DEM), a Forster decay model (FDM) and a maximum entropy model (MEM). The FDM, which has been advocated for a similar system to counter presumed nonphysical dependence of the DEM amplitudes on quencher density, is discounted for the present system. Instead, the MEM is found to support the DEM in suggesting that the decay-rate distribution is bimodal, with fractional contributions that depend on quencher density. A sequential decay mechanism involving a to-be-identified intermediate state is proposed to explain this behavior. (C) 2004 Elsevier B.V. All rights reserved.
机译:使用离散指数模型(DEM),Forster衰减模型(FDM)和最大熵模型(MEM)分析FIB聚合物中PtTFPP的氧猝灭。对于本系统,FDM已被提倡用于类似的系统,以抵消DEM振幅对淬灭剂密度的非物理依赖性。取而代之的是,发现MEM支持DEM,表明衰减率分布是双峰的,分数贡献取决于淬灭剂密度。提出了一种涉及待识别中间状态的顺序衰减机制来解释此行为。 (C)2004 Elsevier B.V.保留所有权利。

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