Korean researchers have succeeded in developing a cooling system that will increase the life of electronic devices by catching heat, which is the main culprit of poor performance of electronic devices.
The Korea Research Foundation announced on the 13th that a research team led by POSTECH’s chemical engineering professor Park Tae-ho has developed a cooling system using aluminum oxide and conductive polymer compounds that can effectively release heat inside the element.
The demand for organic electronic devices using organic materials that are flexible and highly processable, unlike inorganic materials, increasing.
However, the problem was that the heat generated by organic material accumulates without releasing heat during the device drive process due to its low thermal conductivity.
The research team created a structure that allows heat to escape with aluminum oxide nanoparticles that can conduct heat well and designed the insulation of aluminum oxide to penetrate conductive polymers so that the insulation of aluminum oxide does not interfere with high-altitude motion.
The effect on the operation of the element is minimized while the heat release path is secured.
In fact, when applied to Perovskite solar cells, the performance of devices in high temperature and humidity environments has more than tripled.
Professor Park said that it is expected that additional development of heat shield material will be needed to make this technology practical in the future. He further noted that in order to secure stability for moisture and oxygen, bagging of elements is required, but if the bag is carried out using existing materials, the heat of the element accumulates. Therefore, bagging technology, which can ultimately secure heat dissipation properties, is essential for the practical use of organic electronic devices.
The research team plans to continue its follow-up research so that it can be applied to next-generation electronic devices such as organic light-emitting diodes and organic transistors.
The study was published in the October 27 issue of Energy and Environmental Science, an international journal in the field of energy.
Source: National Research Foundation Press Release. (n.d.). Retrieved December 27, 2020, from https://www.nrf.re.kr/cms/board/subject/view?menu_no=95&nts_no=146611