A Self-Acid-Doped and Self-Cross-Linked PEDOT Derivative Using a Simple and Effective Thiosulfate Addition

IF 9.6 1区化学 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY

ACS Materials Letters Pub Date : 2025-04-10 DOI:10.1021/acsmaterialslett.5c0005110.1021/acsmaterialslett.5c00051

Kristina Fidanovski, Modi Gu, Jiaxin Wu, Antonio Lauto, Daniel Ta, David Miskovic, Pawel Wagner, Klaudia Wagner, Zezhong Deng, David Officer and Damia Mawad*,

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Abstract

Despite the massive potential of self-acid-doped materials in a variety of biological and electronics applications, the repertoire of such conjugated polymers remains small and the choice of pendant groups even more limited. We report here a poly(3,4-ethylenedioxythiophene) (PEDOT) derivative synthesized by the simple and effective addition of thiosulfate pendant groups and illustrate its unique design, with the pendant group separated from the backbone by only one methylene side chain spacer. We establish that the polymer is self-acid-doped and highly water-soluble. In addition, we demonstrate its self-cross-linking functionality, which allows for the fabrication of self-acid-doped films without the need for dopants or other additives. These films were stable in water and retained their electrochemical properties. We therefore present the first example of a thiosulfate group used to self-acid-dope and self-cross-link a PEDOT and showcase an easy methodology for flexible modification of polyelectrolyte side chains.

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采用简单有效硫代硫酸盐加成的自酸掺杂自交联PEDOT衍生物

尽管自酸掺杂材料在各种生物和电子应用中具有巨大的潜力，但这种共轭聚合物的曲目仍然很小，垂坠基团的选择更加有限。本文报道了一种聚（3,4-乙烯二氧噻吩）（PEDOT）衍生物，该衍生物通过硫代硫酸盐悬垂基团的简单而有效的加成合成，并说明了其独特的设计，悬垂基团与主链之间仅隔一个亚甲基侧链间隔。我们确定该聚合物是自酸掺杂和高度水溶性的。此外，我们证明了它的自交联功能，这允许在不需要掺杂剂或其他添加剂的情况下制造自酸掺杂薄膜。这些膜在水中稳定，并保持其电化学性能。因此，我们提出了第一个硫代硫酸盐基团用于自酸掺杂和自交联PEDOT的例子，并展示了一种灵活修饰聚电解质侧链的简单方法。

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来源期刊

ACS Materials Letters MATERIALS SCIENCE, MULTIDISCIPLINARY-

CiteScore

14.60

自引率

3.50%

发文量

261

期刊介绍： ACS Materials Letters is a journal that publishes high-quality and urgent papers at the forefront of fundamental and applied research in the field of materials science. It aims to bridge the gap between materials and other disciplines such as chemistry, engineering, and biology. The journal encourages multidisciplinary and innovative research that addresses global challenges. Papers submitted to ACS Materials Letters should clearly demonstrate the need for rapid disclosure of key results. The journal is interested in various areas including the design, synthesis, characterization, and evaluation of emerging materials, understanding the relationships between structure, property, and performance, as well as developing materials for applications in energy, environment, biomedical, electronics, and catalysis. The journal has a 2-year impact factor of 11.4 and is dedicated to publishing transformative materials research with fast processing times. The editors and staff of ACS Materials Letters actively participate in major scientific conferences and engage closely with readers and authors. The journal also maintains an active presence on social media to provide authors with greater visibility.