[Excellent R&D] Organic-Inorganic Hybrid Multi Layers
Song Tae-seob (Department of Energy Engineering)
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Barrier films that have the ability to block moisture and aerial gas have long been a concern of the packaging industry, especially in the display business. The penetration of such substances leads to a degradation of display materials to protect, which is the main reason why barrier films are utilized. Song Tae-seob (Department of Energy Engineering) has provided a solution to this troublesome dilemma, by proposing the use of using organic-inorganic hybrid multi layers.
The use of inorganic materials when making a barrier film is highly effective in blocking the penetration of other substances, but the heat treatment and the use of the equipment comes with a high price tag. On the other hand, organic materials have an easier production process, yet are relatively more vulnerable to penetration by moisture and air. Thus, Song has converged these two materials, which would result in a barrier film higher in both ability and cost efficiency.
According to Song, there have been techniques to combine the two materials, but they have not yet been applied to the production of barrier films. Thus, the remaining task for Song was to focus upon making a convergence of the two materials and managing to evenly spread and disperse the inorganic material within the organic solution. "Inorganic materials have a tendency to crumple down within an organic solution. Therefore, finding a way to alleviate this mass and allow them to spread evenly within the solution is a key factor to our research," explained Song.
Being a professor in the Department of Energy Engineering and primarily studying batteries, Song has had hardships in this relatively unfamiliar field of research. As it is applying an already existing technique, Song and his laboratory members have focused on developing their technologies while avoiding existing patents. Having the need to develop a product from a new perspective with a novel concept, while diverting from current technologies, Song had another barrier to overcome.
However, once such hardships are overcome and the current research is fully conducted, the outcomes will be significant. By localizing the novel barrier film technique, the domestic industry will prosper economically. “The domestic display business will benefit from being supplied with products that are more efficient in both cost and capacity. Furthermore, the barriers can also be extended to various businesses such as solar cells, which have also been troubled with moisture and air penetration," commented Song.
Choi Seo-yong firstname.lastname@example.org
Photos by Choi Min-ju
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