Polymerization of Solid-State 2,2′-Bithiophene Thin Film or Doped in Cellulose Paper Using DBD Plasma and Its Applications in Paper-Based Electronics,ACS Applied Polymer Materials

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Polymerization of Solid-State 2,2′-Bithiophene Thin Film or Doped in Cellulose Paper Using DBD Plasma and Its Applications in Paper-Based Electronics
ACS Applied Polymer Materials ( IF 4.4 ) Pub Date : 2020-02-28 , DOI: 10.1021/acsapm.9b01202
Ketao Chen ₁ , Meijuan Cao _{1,

2} , Zhen Qiao ₁ , Lin He ₁ , Yen Wei ₃ , Hai-Feng Ji ₁

Affiliation

We present a method to prepare a conductive paper hybrid based on the polymerization of bithiophene monomer directly from the solid state of 2,2′-bithiophene inside a sheet of standard letter paper using atmospheric plasma since both the monomers and some plasma species, such as radicals, can penetrate into the paper. Polymerization of a 2,2′-bithiophene in its solid form using plasma offers a simple and straightforward way to synthesize a conductive polymer. To understand the polymerization reaction in atmospheric plasma, the formation of polythiophene on substrates and the reaction mechanism were investigated with Fourier-transform infrared spectroscopy (FTIR) and ultraviolet–visible (UV–vis) spectroscopy. The kinetics of the polymerization reaction was investigated by using UV–vis, and the rate of polymerization was found to be the second-order reaction. The resulting polymer film exhibited a conductivity of 6.67 S/cm when I₂ was doped in the film. The polymerization 3,3′-dibromo-2,2′-bithiophene to poly(3,3′-dibromo-2,2′-bithiophene) was also studied for comparison. The described process provides a universal yet effective method of preparing conductive polythiophene films and polythiophene inside a sheet of paper. Three devices based on the synthesized conductive paper were also presented in this work.

中文翻译：

DBD等离子体聚合或掺杂在纤维素纸中的固态2,2'-联噻吩薄膜的聚合及其在纸基电子中的应用

我们提出了一种方法，该方法基于使用大气等离子体直接从一张标准信纸内部的2,2'-联噻吩固体中的联噻吩单体的聚合反应，基于联噻吩单体的聚合反应来制备导电纸，因为该单体和某些等离子体物质（例如自由基，可以渗透到纸张中。使用等离子体聚合固体形式的2,2'-联噻吩提供了一种简单而直接的方法来合成导电聚合物。为了理解大气等离子体中的聚合反应，使用傅立叶变换红外光谱（FTIR）和紫外可见光谱（UV-vis）光谱研究了底物上聚噻吩的形成及其反应机理。使用紫外可见光谱研究了聚合反应的动力学，并且发现聚合速率是二级反应。所得聚合物膜在I时显示出6.67 S / cm的电导率影片中掺杂了_2种。为了比较，还研究了将3,3'-二溴-2,2'-联噻吩聚合为聚（3,3'-二溴-2,2'-联噻吩）。所描述的方法提供了一种在纸内制备导电聚噻吩薄膜和聚噻吩的通用而有效的方法。这项工作还提出了基于合成导电纸的三种器件。

更新日期：2020-02-28

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