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표면 개질된 구리 나노 와이어/에폭시 복합체의 열 및 전기 특성 분석Thermal and Electrical Properties of Surface-treated Copper Nanowire/Epoxy Composites

Authors
Ahn, KisangKim, KihoKim, JooheonCho, WonChul
Issue Date
Nov-2015
Publisher
POLYMER SOC KOREA
Keywords
thermal conductivity; electrical conductivity; copper nanowire; surface treatment
Citation
POLYMER-KOREA, v.39, no.6, pp 961 - 966
Pages
6
Journal Title
POLYMER-KOREA
Volume
39
Number
6
Start Page
961
End Page
966
URI
https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/8979
DOI
10.7317/pk.2015.39.6.961
ISSN
0379-153X
2234-8077
Abstract
표면을 개질한 구리 나노 와이어(CuNW)를 이용하여 구리 나노 와이어/에폭시 복합체를 제작하였다. 에폭시 매트릭스에서의 열적 특성과 전기적 특성을 향상시키기 위하여 CuNW의 표면을 SiO₂와 TiO₂로 개질하였다. 순수한 CuNW와 표면 개질된 CuNW의 기능화 여부 확인을 위하여 XPS, EDX, FE-SEM, FE-TEM 분석을 시행하였으며 CuNW 표면에 SiO₂ 층과 TiO₂ 층이 생성된 것을 확인하였다. 순수한 CuNW와 개질된 CuNW를 각각 첨가한 복합체를 제작하여 열전도 특성을 비교하였으며 표면 개질한 CuNW를 첨가한 복합체에서 증가된 열전도도를 갖는 것을 확인하였다. 또한 개질된 CuNW를 사용하였을 때 전기전도도가 감소하는 것을 확인하였다.
Copper nanowire (CuNW) composites were prepared to use as thermal interface material by using both raw copper nanowire particles and surface-coated copper nanowire particles. The surfaces of the copper nanowire particles were coated with SiO2 and TiO2 to enhance the thermal and electrical properties in the epoxy matrix. The surface coated CuNW and raw CuNW were characterized by XPS, EDX, FE-SEM and FE-TEM. The surface coated CuNW composites possessed enhanced thermal conduction properties as compared to the composites with raw CuNW particles. In addition, the electrical conductivity of the surface treated CuNW composites presented lower electrical conductivity values as compared to the raw CuNW composites. Thus, the surface coated copper nanowire composites prepared in the present work could be desirable as thermal interface materials in the electronics industry.
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대학원 (지능형에너지산업융합학과)
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