Dear all, conductivity by itself does not depend too much on the polymer solely, even for intrinsicaly conducting polymers. This is why research are going on continuously. Methods of preparation and doping (type and level) influence to a great deal conductivity. Recently, I recognized a high interest to PEDOT. This latter allows many possible way to modify its basic structure for better performance. My Regards

Dear Dr. Ahmed Amir Flaieh,

the best-known and most studied conductive polymers are polyacetilene, polyaniline, and polypyrrole due to their wide range of applications.

I suggest you to have a look at the following, interesting note:

-Conductive Polymers (2020)

By Fernando Takashi da Rocha Arita - (Materials Science and Engineering - UC Davis)

Available on Engineering LibreTexts at: https://eng.libretexts.org/Bookshelves/Materials_Science/Supplemental_Modules_(Materials_Science)/Materials_and_Devices/Conductive_Polymers

The electrical conductivity of an organic polymer (e.g. polyacetylene) could be increased by a factor of 1012 Scm-1 when it was doped with an electron donor such as alkali-metal ion or an acceptor such as AsF5 or Iodine. The conductivity of doped poly acetylene is comparable to that of copper on an equal weight basis.

For more details, please see the source:

-THE EFFECT OF DOPANT, TEMPERATURE AND BAND GAP ON CONDUCTIVITY OF CONDUCTING POLYMERS

S. Srilalitha, K.N. Jayaveera, S.S. Madhvendhra

International Journal of Innovative Research in Science, Engineeringand TechnologyVol. 2, Issue 7, (2013)

Available at: http://www.rroij.com/open-access/the-effect-of-dopant-temperature-and-band-gap-onconductivity-of-conducting-polymers.pdf

Best regards, Pierluigi Traverso

Dear all, conductivity by itself does not depend too much on the polymer solely, even for intrinsicaly conducting polymers. This is why research are going on continuously. Methods of preparation and doping (type and level) influence to a great deal conductivity. Recently, I recognized a high interest to PEDOT. This latter allows many possible way to modify its basic structure for better performance. My Regards

Pierluigi Traverso thanks very much for your answer i wil see these links

Abdelkader BOUAZIZ appreciate for your answer

Hi;

Conductive polymers are conjugated polymers whose conductivity can be modulated by doping and can vary from that of an insulating material (104 S.cm-1) close to that of copper (5×105 S.cm-1). Oxidation or reduction leads to additional electrons or holes that can move along the chains. The most commonly used intrinsic conductive polymers are :

-Polyaniline

-PEDOT (Poly(3,4-ethylenedioxythiophene))

-Polypyrrole

-Polyacetylene

These polymers are insulating or semiconducting in the undoped state and become conductive (10 S/m) as soon as a few percent of dopant (1%) is added. The dopant concentration has a direct influence on the electrical conduction property of the material. However, it seems that the maximum conductivity of this type of compound is around 107 S/m.

With my best regards

Doufnoune RACHIDA Rachida thank you very much for your explanation

PVDF is an electrical insulator, but can have piezoelectric properties. A commonly used conductive polymer (for anti-static coatings, for example) would be PEDOT, or PEDOT:PSS which is water-soluble. P3HT is a commonly used conductive polymer for organic solar cells, it is a soluble in organic solvents, such as toluene. There are many more conductive polymers used for many applications.

To determine which to use, you need to clarify what you're using it for, and how you want to deposit and/or pattern it.

Good luck.

Dear Ahmed,

there are many intrinsically and extrinsically conducting polymers that have been and will be studied and non of them can be said that it is the best one ! It namely depends on the purpose - the application you have on mind. Another important point is the polymer stability under the workload. If you want, you can go to my Research-gate page where you will find a manuscript of IUPAC recommendations concerning polymers that are responsive to elctromagnetic field. The manuscript is under correction and will be published in Pure and Applied Chemistry as a paper for free downloads.

Best regards, Jiri

Polyaniline, polythiophene, and polypyrrole.

I recommend polyaniline.

Linear-backbone "polymer blacks" (polyacetylene, polypyrrole, polyindole and polyaniline) are the best conductive polymer.

The best conductive polymer for what purpose?, PANI conductivity is about 1 S cm-1, globular PPy has conductivity 1-5 Scm-1 while PPy nanostructures could have conductivity up to 175 S cm-1. you may have a look in those articles:

Article Highly conducting 1-D polypyrrole prepared in the presence of safranin

Article Methyl red dye in the tuning of polypyrrole conductivity

Ahmed Amir Flaieh, in fact it depends on the research you are going to carry out because it has the conductivity factor, thermal stability, electrochemistry (if applicable), resistivity and others, but then it depends on the focus that you will do, because there is still the monomer cost factor, there are many options, as other researchers have reported, but there are these points that you and your group might be interested in thinking about.

I would add to the above good comments that each intrincically conducting polymer has own advantages and disadvantages stemming from the polymer set of physical and chemical properties, cost, technological aspects of preparation, compartibility with other materials if the composites are needed. And, therefore, the choice should depend on the task for which you are going to use the polymer.

To add more comments, the most commonly applied conducting polymer is PEDOT or PEDOT:PSS due to the consideration of chemical stability and environmental impact. Other conducting polymers such as PANI and Ppt have the toxicity problem to environment, so industry intends not to use them. PEDOT can have many other advantages over the other conducting polymers. There are a lots of different types of PEDOT composites found in wide applications.

PANI.

We may suggest you better ones depending upon the application.

Thanks to all researchers about their beautiful,benefit answers

PANI around 1 S cm1 conductivity