Synthesis and Properties of Nano-Scale Oligothiophenes : From Conducting-Polymer Models to Materials for Molecular Electronics
Synthesis and Properties of Nano-Scale Oligothiophenes : From Conducting-Polymer Models to Materials for Molecular Electronics
复制标题
纳米级低聚噻吩的合成和性能：从导电聚合物模型到分子电子材料
DOI：
10.5059/yukigoseikyokaishi.60.52
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发表时间：
2002
影响因子：
0.2
通讯作者：
T. Otsubo
中科院分区：
文献类型：
--
作者：
Y. Aso;K. Takimiya;T. Otsubo
合成了一系列从6-mer到48-mer的以7个噻吩单元间隔延伸的最长的低聚噻吩。据估计，最长的48-mer的分子长度达到约18.6 nm。对噻吩齐聚物的系统研究为α-共轭噻吩体系的光学和导电性质提供了有价值的信息：有效共轭长度扩展到20-30个噻吩单元，活性电荷载体物种既有π-二聚体，也有链状二聚体。光诱导电子和/或能量转移特性的富勒烯连接的二联体和三联体系统的低聚噻吩的有效的分子线行为已被证明。这些系统的光伏分子器件的成功应用也被描述。
A series of the longest class of oligothiophenes extended at intervals of seven thiophene units from the 6-mer up to the 48-mer has been synthesized. It is estimated that the molecular length of the longest 48-mer reaches approximately 18.6 nm. The systematic studies of the oligothiophenes have provided valuable information on the optical and conductive properties of α-conjugated thiophene systems : an effective conjugation length extends to 20-30 thiophene units, and the active charge carrier species are both π-dimers and chain dimers. The efficient molecular-wire behaviors of oligothiophenes have been demonstrated by photoinduced electron and/or energy transfer characteristics of the fullerene-linked dyad and triad systems. The successful application of these systems to a photovoltaic molecular device is also described.