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Effective Approaches to Improve the Electrical Conductivity of PEDOT:PSS: A Review
Author(s) -
Shi Hui,
Liu Congcong,
Jiang Qinglin,
Xu Jingkun
Publication year - 2015
Publication title -
advanced electronic materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.25
H-Index - 56
ISSN - 2199-160X
DOI - 10.1002/aelm.201500017
Subject(s) - pedot:pss , materials science , conductive polymer , transparency (behavior) , conductivity , oled , optoelectronics , transistor , organic semiconductor , nanotechnology , diode , field effect transistor , electrical resistivity and conductivity , polymer , layer (electronics) , electrical engineering , voltage , composite material , computer science , chemistry , computer security , engineering
The rapid development of novel organic technologies has led to significant applications of the organic electronic devices such as light‐emitting diodes, solar cells, and field‐effect transistors. There is a great need for conducting polymers with high conductivity and transparency to act as the charge transport layer or electrical interconnect in organic devices. Poly(3,4‐ethylenedioxythiophene): poly(styrenesulfonic acid) (PEDOT:PSS), well‐known as the most remarkable conducting polymer, has this role owing to its good film‐forming properties, high transparency, tunable conductivity, and excellent thermal stability. In this Review, various of interesting physical and chemical approaches that can effectively improve the electrical conductivity of PEDOT:PSS are summarized, focusing especially on the mechanism of the conductivity enhancement as well as applications of PEDOT:PSS films. Prospects for future research efforts are also provided. It is expected that PEDOT:PSS films with high conductivity and transparency could be the focus of future organic electronic materials breakthroughs.