聚(3,4-亚乙基二氧噻吩)
兴奋剂
电阻率和电导率
电导率
材料科学
导电聚合物
纳米技术
分析化学(期刊)
化学工程
光电子学
化学
聚合物
物理
有机化学
复合材料
物理化学
工程类
量子力学
作者
Hirokazu Yano,Kazuki Kudo,Kazumasa Marumo,Hidenori Okuzaki
出处
期刊:Science Advances
[American Association for the Advancement of Science (AAAS)]
日期:2019-04-05
卷期号:5 (4)
被引量:137
标识
DOI:10.1126/sciadv.aav9492
摘要
Wet-processable and highly conductive polymers are promising candidates for key materials in organic electronics. Poly(3,4-ethylenedioxythiophene):poly(4-styrenesulfonate) (PEDOT:PSS) is commercially available as a water dispersion of colloidal particles but has some technical issues with PSS. Here, we developed a novel fully soluble self-doped PEDOT (S-PEDOT) with an electrical conductivity as high as 1089 S cm-1 without additives (solvent effect). Our results indicate that the molecular weight of S-PEDOT is the critical parameter for increasing the number of nanocrystals, corresponding to the S-PEDOT crystallites evaluated by x-ray diffraction and conductive atomic force microscopic analyses as having high electrical conductivity, which reduced both the average distance between adjacent nanocrystals and the activation energy for the hopping of charge carriers, leading to the highest bulk conductivity.
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