Conducting polymers can conduct electricity when carbon atoms in the polymer backbone are linked by double bonds. Common conducting polymers include polyacetylene, polyaniline, and polythiophene. They are prepared through various synthesis methods and their conductivity is affected by factors like mobility, doping, and temperature. Potential applications of conducting polymers include corrosion protection, solar cells, medical uses, and more. While doped polymers are conductors, conjugate polymers are semiconductors. Conducting polymers offer opportunities to replace metals in various devices due to properties like mechanical flexibility and low cost.

1. Conducting polymers
Under the supervision: Presented by:
Dr. Deepak Kumar Aneja Minal
Assistant professor 180000701047
Department of Chemistry M.Sc. Chemistry 4th Sem.
CHAUDHARY BANSI LAL UNIVERSITY, BHIWANI

2. Content
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Types of conducting polymers.
Preparation of conducting
polymers.
Effect on conductivity.
Applications.
Role of chemistry and future
aspects.
Conclusion.
 Introduction.

3. 1.Introduction
Polymers in which the carbon atoms in the backbone are
linked by double bonds have the potential to conduct
electricity, especially when a no. of such bonds occur in the
vicinity of each other are known as Conducting polymers.
Scientists in 1977,
proved that
polyacetylene
doped(oxidised)
with iodine has
high conductivity.
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3.
This research earned them the 2000 Noble prize in chemistry

4. Examples:
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6. 2. Types of conducting polymers
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Intrinsically conducting polymers(ICP)
Doped conducting polymers (DCP)
Extrinsically conducting polymers (ECP)
Co-ordinating polymers (CCP) or (Inorganic polymers)
6.

7. 3.Synthesis of different polymer
Synthesis of polyacetylene:
(Ziegler- Natta scheme)
2-By ring opening metathesis polymerization
R= linear or branched alkyl group
(Grubbs route to polyacetylene)
1-From acetylene
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8. Synthesis of polyaniline:
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9. Synthesis of polythiophene
Proposed initial steps in the
Electropolymerization of
thiophene
1. By electrochemical synthesis
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10. 2- From bromothiophenes
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11. 4. Factors that affect the conductivity
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Their mobility
The direction
Presence of doping material
Density of charge carriers
Effect of temperature
On falling the temperature conductivity decreases in
contrast of typical metals like silver
On falling temperature conductivity of conductive polymers
increases.
11.
Conducting polymers have extended p-orbital system, through which
electrons can be moved from one end to other end of polymer.

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13. 5. Applications
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Corrosion inhibitors
Anti-static coating
Compact capacitors
Anti-static substances for
photographic films
Electromagnetic shielding for
computers "Smart Windows"
Solar cells
Laser used in flat T.V.s
Display in mobiles and mini-
format T.V. screens
LEDs and Transistors
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15. • For conductance free electrons are needed.
Conjugate polymers are semiconductor materials ,while
doped polymers are conductors.
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16. Today conductive plastics are being developed for many uses.
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•Polyaniline is used as a sensor in the
detection of ammonia.
In medical industry:
• The conductive Polymer also be
applicable in area such as wound
healing,bone repair and spinal core
regeneration.
• Also, development of artificial
muscles by utilising their response to
an electrical field.(Electroactive
polymers EA , are Polymers which
observe dimensional changes in
response to electrical stimuli).

17. • Conducting polymers have potential application in
biosensors, supercapacitors and corrosion protection
are merely some of the places in which they can be
utilised by substituting metallic component.
•Now a days, we are moving towards a greater industrial
commercialization of conductive polymers,and as a
consequence ,we should not be surprised if our future
medical treatments or electrical devices are based upon
the intriguing conductive properties of a inherently
simple material.
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18. 6. Conclusion
Thus, this is an area subject to a lot of research regarding
how to improve the environmental stability and
repeatability of the sensors by addition of different fillers.
Ultimately, the possibility of having organic materials with
the conductive properties of non-organic materials, along
with the intrinsic polymeric features of mechanical
flexibility and relatively low- cost production give rise to
endless opportunities.
18.

19. 7. References
[1] M Anne Jose, Smitha Verghese and M Jinish Antony, in situ
chemical oxidative polymerization for ordered conducting
polythiophene,vol. 55A,2016,pp.292-297
[2] F.Dorel, " Polymer History, " Designed Monomers and
polymers,vol.11,2008,pp.1-15
[3] J.Stejskal,R.G.Gilbert,Polyaniline, preparation of conducting
polymer,vol.74,2002,pp.859-860
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