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首页> 外文期刊>The journal of physical chemistry, B. Condensed matter, materials, surfaces, interfaces & biophysical >Oligo(FcDC-co-CholDEA) with Ferrocene in the Main Chain and Cholesterol as a Pendant Group-Preparation and Unusual Properties
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Oligo(FcDC-co-CholDEA) with Ferrocene in the Main Chain and Cholesterol as a Pendant Group-Preparation and Unusual Properties

机译：Oligo（FcDC-co-CholDEA）主链上的二茂铁与胆固醇作为侧基的制备及其异常性质

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摘要

With ever-increasing need for thin, flexible, and functional materials in electrochemical systems, various techniques have been explored for creating materials used in fuel cells, batteries, electrochromic devices, solar cells, and sensors. In the present study, a novel ferrocene (Fc) and cholesterol (Chol)-containing oligomer. oligo(FcDC-co-CholDEA). was specially designed and prepared by putting Fc in the main chain and Choi as a side group. MALDI-TOF MS and freezing point depression measurements revealed that in average each oligomer contains three Fc units and three Chol units. Cyclic voltammetric measurements revealed that the oligomer displays superior electrochemical stability if compared with other Fc derivatives containing only one Fc unit and one or two Chol unit and with poly(ferrocenylsilane) with Fc in the main chain. In particular, the Fc-containing oligomer possesses an unusual oxidation center, of which the oxidation potential could be as high as 1.81 V. The oligomer is also superior in self-assembly, as demonstrated by forming an LB film of layered structures. Furthermore, supramolecular films with high mechanical strength in the wet state can be prepared by employing a simple solution casting method. This finding demonstrates that self-assembly is a simple but effective way to create films of potential uses in real-life applications provided proper building blocks are designed and employed.
机译：随着电化学系统中对薄，柔性和功能性材料的需求不断增长，已经探索了各种技术来制造用于燃料电池，电池，电致变色器件，太阳能电池和传感器的材料。在本研究中，一种新型的二茂铁（Fc）和胆固醇（Chol）包含低聚物。寡聚（FcDC-co-CholDEA）。通过将Fc放在主链上和Choi作为侧链来专门设计和制备。 MALDI-TOF MS和冰点降低测量表明，每个低聚物平均包含三个Fc单元和三个Chol单元。循环伏安法测量表明，与仅包含一个Fc单元和一个或两个Chol单元的其他Fc衍生物以及主链上具有Fc的聚二茂铁基硅烷相比，该低聚物显示出优异的电化学稳定性。特别地，含Fc的低聚物具有不寻常的氧化中心，其氧化电势可能高达1.81V。通过形成层状结构的LB膜证明，该低聚物的自组装性也优异。此外，可以通过采用简单的溶液流延方法来制备在湿态下具有高机械强度的超分子膜。这一发现表明，自组装是一种简单但有效的方法，只要设计并采用了适当的构件，就可以在现实生活中创建具有潜在用途的胶片。

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