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논문 기본 정보

자료유형
학술저널
저자정보
Dieu Minh Ngo (Kumoh National Institute of Technology) Hyeokgi Hong (Kumoh National Institute of Technology) Sehan Yoon (Kumoh National Institute of Technology) Hyun Min Jung (Kumoh National Institute of Technology)
저널정보
한국고분자학회 폴리머 폴리머 제48권 제6호
발행연도
2024.11
수록면
662 - 668 (7page)
DOI
10.7317/pk.2024.48.6.662

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초록· 키워드

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High-dielectric thin films are crucial materials that determine the performance of charge storage devices in electronic circuits, particularly in embedded capacitors where they are realized through composite films of polymers and high-dielectric ceramic fillers. As an efficient fabrication method, polystyrene@barium titanate (PS@BT) particles were synthesized, arranged into layers via drop casting, and then thermally fused to form high-dielectric composite films. Cross-sectional observations of the composite films revealed that BT particles were uniformly distributed within the PS matrix without any layer separation or agglomeration. Dielectric property investigations showed that thin films with BT contents of 55.6 wt% (PS@BT-1) and 65.7 wt% (PS@BT-2) exhibited dielectric constants of 30.9 and 36.2, respectively, with leakage current densities of 5.98 and 496 nA/㎠. It was confirmed that a percolation point for leakage current existed between these BT content levels. For the PS@BT-1 film, which demonstrated a high breakdown voltage of 126 V/µm, an energy storage density of 2.17 J/㎤ was achieved.

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초록
Abstract
Introduction
Experimental
Results and Discussion
Conclusions
References

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