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912891

Sigma-Aldrich

High surface area conducting polyaniline

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Synonym(s):
3D cross-linked polyaniline, emeraldine salt, doped by phytic acid, Conducting polymer, PAni, Polyaniline hydrogels, Self-healing polyaniline, Supercapacitor polyaniline

description

Electrochemical activity: see picture

Quality Level

form

solid

solubility

water: insoluble (swell into hydrogel)

Related Categories

Application

High surfacearea conducting polyaniline can be used as the active semiconductor layer inOrganic Field-Effect Transistors (OFET) devices. In OPV devices, high surfacearea conducting polyaniline can be incorporated as a conductive additive orcomponent. By adding the material to the active layer materials or the chargetransport layers, it can enhance the electrical conductivity and facilitatecharge extraction, contributing to improved device performance.
This polyaniline product is crosslinked by a dopant molecule - phytic acid, to form a highly porous 3D nanostructure. It is intrinsically conductive and has large open channels advantageous for sensing and energy storage applications. These open micro/nano channels promote the transport of electrons and facilitates the diffusion of ions, and small molecules. Additionally, pyrolyzing this polyaniline could yield highly porous 3D cross-linked graphitic carbon for a broad range of applications.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


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Jintao Zhang et al.
Nature nanotechnology, 10(5), 444-452 (2015-04-08)
The oxygen reduction reaction (ORR) and oxygen evolution reaction (OER) are traditionally carried out with noble metals (such as Pt) and metal oxides (such as RuO₂ and MnO₂) as catalysts, respectively. However, these metal-based catalysts often suffer from multiple disadvantages
Conducting-polymer-based supercapacitor devices and electrodes
Snook G A, et al.
Journal of Power Sources, 196, 1-12 (2011)
3D nanostructured conductive polymer hydrogels for high-performance electrochemical devices
Zhao Y, et al.
Energy & Environmental Science, 6, 2856-2870 (2013)
Lijia Pan et al.
Proceedings of the National Academy of Sciences of the United States of America, 109(24), 9287-9292 (2012-05-31)
Conducting polymer hydrogels represent a unique class of materials that synergizes the advantageous features of hydrogels and organic conductors and have been used in many applications such as bioelectronics and energy storage devices. They are often synthesized by polymerizing conductive
John W F To et al.
ACS central science, 1(2), 68-76 (2016-05-11)
Porous graphitic carbon is essential for many applications such as energy storage devices, catalysts, and sorbents. However, current graphitic carbons are limited by low conductivity, low surface area, and ineffective pore structure. Here we report a scalable synthesis of porous

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