ELECTRON TRANSFER PROCESSES IN MOLECULAR C_(60) DYADS AND TRIADS

机译：分子C_（60）染料和TR子中的电子转移过程

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Novel π-extended tetrathiafulvalene (exTTF)-based donor acceptor ensembles -dyads and triads - have been synthesized following a multistep synthetic procedure. The addition reaction of the corresponding exTTF derivatives to C_(60) affords electroactive dyads and triads, which behave as amphoteric redox systems. In the case of fulleretriazolines 4, fluorescence experiments and transient absorption spectroscopy reveal that excitation of the fullerene moiety leads to radical pair lifetimes that are 2 orders of magnitude higher than those previously reported for related fullerotriazolines. However, in the triads, subsequent charge-shifts transform the adjacent radical pair into the distant radical pair, for which lifetimes of up to 111μs in DMF were determined -values never accomplished so far in molecular triads.

机译：新型的基于π-扩展的四硫富瓦烯（exTTF）的供体受体体-二元组和三元组-已通过多步合成程序合成。相应的exTTF衍生物与C_（60）的加成反应提供了电活性二元组和三元组，它们表现为两性氧化还原系统。在富勒三唑啉4的情况下，荧光实验和瞬态吸收光谱显示，富勒烯部分的激发导致自由基对的寿命比以前报道的相关富勒三唑啉的自由基对寿命高2个数量级。但是，在三单元组中，随后的电荷转移将相邻的自由基对转变为遥远的自由基对，为此确定了DMF中高达111μs的寿命-分子三单元组迄今为止尚未实现该值。

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《Fullerenes and Nanotubes: The Building Blocks of Next Generation Nanodevices: Fullorenes》|2003年|P.145-153|共9页
会议地点 Paris(FR);Paris(FR);Paris(FR)
作者
Luis Sanchez; Susana Gonzalez; Ignacio Perez; Nazario Martin; Dirk M.Guldi;
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作者单位

Departamento de Quimica Organica, Facultad de Quimica, Universidad Complutense, E-28040 Madrid, Spain;

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原文格式 PDF
正文语种 eng
中图分类无机高分子化合物（高聚物）;
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ELECTRON TRANSFER PROCESSES IN MOLECULAR C_(60) DYADS AND TRIADS

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