Typically conventional polymers such as plastics, rubber and so on offer significant resistance to electrical conduction but with the invention of conductive poly-acetylene, conductive polymers have gained significant attention. In general, conducting polymers include electronic conducting polymers and ionic conducting polymers. The main advantages of conducting polymers are that they possess not only the electronic and optical properties of metals and inorganic semiconductors, but also the flexible mechanics and processing ability of polymers. The properties that make these polymers attractive are its electrical properties combined with various doping levels and mechanical flexibility.
Even for various day to day applications such as LED lighting and super capacitors conductive polymers have significant advantage over other conventional metals. The CAGR of APAC is rising at a high growth due to immense rise technological advancement in developing nations such as China and Japan. The total revenue of global conductive polymers market in 2017 has been estimated to be 3319.17 million dollars and it is expected to reach $ 4827.35 million I n 2023 at a CAGR of 5.57%.
What are Conductive Polymers?
Polymers are the insulating materials in general they are used to make non-conductive coatings on wires. The conductively filled polymers were first made in 1930 for the prevention of corona discharge initially with the growing applications consequently four major classes of semiconducting polymers that have been developed so far which include conjugated conducting polymers, charge transfer polymers, ionically conducting polymers and conductively filled polymers. Because of their extraordinary properties such as electrical characteristics, reversible doping-dedoping procedure, controllable chemical and electrochemical properties and simple processing, a variety of CPs e.g., polyacetylene (PA), Polyaniline (PANI), polypyrrole (PPY), poly(phenylene)s(PPs), Poly(p-phenylene)(PPP), poly(p-phenylenevinylene) (PPV), poly(3,4-ethylene dioxythiophene) (PEDOT), polyfuran (PF) and other polythiophene (PTh) derivatives, etc, they have been subject of special interest in the field of nanoscience and nanotechnology.
What are the major applications for Conductive Polymers?
Simple synthesis with their chemical structure tailored to alter their physical properties, such as their band gap gives conducting polymers an advantage over conventional semiconductors in various applications. They are known to have low poisoning effects further to their ease of synthesis and lower cost for manufacturing. These properties ensure they have variety of applications such as in solar cell, sensor and in corrosive locations. Solar cells devices incorporating thin films of poly (o-toluidine) doped in p-toluene sulfonic acid (PTSA) spin-coated onto n-Si substrates have been produced and their photovoltaic characteristics have been studied. Besides this conductive polymers are also used in OLEDs, in medical and industrial sensors and devices.
Market Research and Market Trends of Conductive Polymers Ecosystem
- Poly(3,4-ethylenedioxythiophene)s are the conducting polymers (CP) with the biggest prospects in the field of bioelectronics due to their combination of characteristics (conductivity, stability, transparency and biocompatibility). The gold standard material is the commercially available poly(3,4-ethylenedioxythiophene):poly(styrene sulfonate) (PEDOT:PSS). However, in order to well connect the two fields of biology and electronics, PEDOT:PSS presents some limitations associated with its low (bio)functionality. The innovative PEDOT-type materials have applications such as biocompatible conducting polymer layers, conducting hydrogels, biosensors, selective detachment of cells, scaffolds for tissue engineering, and electrodes for electrophysiology, implantable electrodes, and stimulation of neuronal cells or pan-bio electronics.
- The composites based on conducting polymers (CPs) and carbon nanotubes (CNTs) have been a key focus in the past for their unique properties such as large surface area, high mechanical strength and high conductivity. The CP–CNT composites are used as actuators, fuel cells, electronic devices and ‘supercapacitors’. Polypyrrole (PPy) and polyaniline (PANi) have good conductivity and are cost effective for their use in electrical applications. The charge storage properties of these CPs can be improved by doping it with the redox-active dopants. The stability and conductivity of the CP films can be enhanced by the use of polycharged aromatic anionic dopants since the structure of anionic dopants influence the shape and size of CPs particles and increases the interchain mobility of charge carriers. These are primarily employed to fabricate superconductors which are expected to be in large demand in future.
- The combination of conducting polymer with nanoscale semiconducting metal oxides with or without metal dopant, create p–n heterojunction between p-type polymer and n-type SMOs has been proven to be a suitable strategy for the improvement of gas sensor efficiency at room temperature. Semiconducting metal oxide (SMO) nanomaterials have been demonstrated to be high efficient sensors owing to their large surface-to-volume ratio, which can convert the large surface chemical processes into electrical signals.
- Nowadays, researchers are trying to develop devices for targeted delivery in which the drug is only working in the selected area of the body like in cancerous tissues. The further development also includes sustained drug-release formulations in which the drug is released over a period in a controlled manner from the drug device. Hydrogels have a good porous network. The porosity of hydrogels can be modified by managing the density of cross-linkers used or by changing the swelling efficiency of hydrogels in the environment. Amongst the different devices electroconductive hydrogel devices, will be used as neural prosthetic and recording devices and electro-stimulated drug release devices (ESDRDs) in near future.
- The ability of gels to reversibly swell and de-swell under controllable conditions has made them an attractive for use in electrochemical actuators. However, their applications present several issues. They usually swell isotropically, which is a matter of concern for the actuation technologies because it requires of linear response. Swelling is slow due to poor solvent and ionic diffusion of the material. The swelling of such materials can be controlled by the optimizing a broad range of external factors.
Who are the Major Players in Conductive Polymers market?
The players profiled in the report include BASF SE, Syngenta AG, Bayer CropScience AG, Novozymes A/S, Koppert Biological Systems B.V., Monsanto Company Inc., Marrone Bio Innovations, Inc., Biobest N.V., Certis USA LLC, Andermatt Biocontrol AG, DuPont, Evonik.
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