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首页> 外文会议>Fullerenes and Nanotubes: The Building Blocks of Next Generation Nanodevices: Fullorenes >A NEW APPROACH TO 60FULLERENE-BASED SUPRAMOLECULAR DONOR-ACCEPTOR STRUCTURES
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A NEW APPROACH TO 60FULLERENE-BASED SUPRAMOLECULAR DONOR-ACCEPTOR STRUCTURES

机译：基于60富勒烯的超分子供体-受体结构的新方法

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摘要

The first C_(60)·TTF supramolecular architecture in which the donor (TTF) and the acceptor (C_(60)) units are connected through a complementary guanidinium-carboxylate ion-pair involving two hydrogen bonds in combination with ionic interaction are reported. Topologically different ensembles were prepared by varying the nature and composition of the spacer connecting TTF and C_(60) which has allowed to differentiate between through-bond and through-space electron transfer interactions. Cyclic voltammety shows The electrochemical data reveal the donor and acceptor character of the TTF and C60 units, respectively. However, preliminary photophysical data reveal a fluorescence quenching in the dyads which strongly depends on the solvent polarity. Based on the fluorescence quantum yields values determined for the different dyads endowed with different functional groups and spatial, a through-space mechanism is proposed.
机译：报道了第一个C_（60）·TTF超分子结构，其中供体（TTF）和受体（C_（60））单元通过涉及两个氢键并与离子相互作用结合的互补胍盐-羧酸盐离子对连接。通过改变连接TTF和C_（60）的间隔基的性质和组成，可以制备拓扑上不同的集合体，从而可以区分键合电子和空间电子转移相互作用。循环伏安法显示电化学数据分别揭示了TTF和C60单元的供体和受体特征。但是，初步的光物理数据表明，二元组中的荧光猝灭强烈依赖于溶剂极性。基于确定的具有不同功能基团和​​空间的二元组的荧光量子产率值，提出了一种穿越空间机制。

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