Abstract
A transparent and flexible polymer with unique electric and sound signal transmission capability under highly stretchable conditions has been synthesized. In this paper the milestone achieved in the polymerization of intrinsic ionic Ω–conjugated polymer, hereinafter known as Ionic Cables (ICs), through free radical crosslinking co-polymerization process/technique and structural modifications encountered so far in our experiments are discussed. EIS and stress-strain assessments had showed that ionic conductivity and flexibility are dependent on the amount of accelerator Tetramethylethylenediamine (TEMED) and curing time (CT). By varying the amount of accelerator, in our case TEMED, and CT the ICs with ionic conductivity of 0.021 S/cm to 0.111S/cmand 350% elongation to 448% elongation conditions was synthesized with highly water absorption capability up to 78% of its total volume. The synthesized ICs with ultra-stretchability, transparency and conductivity can be used in versatile applications, including stretchable ionic cables, tissue engineering, ionic mass transport systems and bio sensors.
Highlights
In most of the cases metallic wires and metallic connectors in electronics are utilized for transfer of electric current and signals
The losses in electronic signal and current followed by circuit heating, rigid in nature and expensive for production are some of the major drawbacks of metal wires and connections [1,2,3]
It has been observed that the proportion of TEMED and curing time (CT) has substantial influence on volumetric changes in Ionic Cables (ICs)
Summary
In most of the cases metallic wires and metallic connectors in electronics are utilized for transfer of electric current and signals. The losses in electronic signal and current followed by circuit heating, rigid in nature and expensive for production are some of the major drawbacks of metal wires and connections [1,2,3]. To overcome such issues, the material scientists and engineers are engaged in improving conventional electronic components, and in the race of producing novel materials. The recent openings in the discipline of materials have introduced a new class of polymeric materials with higher conductivity. It is speculated that due to outstanding signal transmitting features, PICs can be used in artificial intelligence, bio sensing functions and electronic conductors with higher stretchability and transparency [4]
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