The research team from Purdue University in the United States has developed a new type of conductive glassy transparent polymer film material, which is easy to manufacture on a large scale, and the cost is lower than that of indium tin oxide film conductive material, and the conductivity is better than that of ordinary polymer. In materials science, transparency and conductivity are inconvenient. Traditional glass as an excellent transparency material is an insulator, and the touch screen of smart phones usually increases the indium tin oxide thin film coating to achieve conductivity, although the polymer preparation has lower cost, However, in order to make them conductive, a chemical doping process is usually used, which increases the manufacturing cost and also reduces the transparency of the material. Purdue University's research team obtained a new type of polymer film material by radically transforming transparent non-conductive polymer materials. One of the authors of the paper, Bryan Boudouris, said “Our idea is whether we can make polymers that can be produced on a large scale and at the same time make them electronically active. The precursors of new materials can be produced in tons and obtained from carbon-based materials. The result of a conductive transparent material is amazing." The key to the success of the transparent material's conductivity is the radical groups. The team began computer simulation with the addition of a partially transparent radical group. Through a number of simulation teams, the desired radical group that allows the polymer to conduct electricity was obtained. The team designed the process for preparing this new material at room temperature based on the simulation results, and successfully obtained a new type of conductive glassy transparent polymer film material. The results are published in the journal Science.
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