Interfacial Engineering for the Synergistic Enhancement of Thermal Conductivity of Discotic Liquid Crystal Composites

Authors
Kang, Dong-GueKim, NamilPark, MinwookNah, ChangwoonKim, Jin SooLee, Cheul-RoKim, YoungsuKim, Chae BinGoh, MunjuJeong, Kwang-Un
Issue Date
2018-01-31
Publisher
American Chemical Society
Citation
ACS Applied Materials & Interfaces, v.10, no.4, pp.3155 - 3159
Abstract
To develop an advanced heat, transfer composite a deeper understanding of the interfacial correlation between matrix and filler is of paramount importance. To verify the effect of interfacial correlations on the thermal conductivity, the conductive fillers such as expanded graphite (EG) and boron nitride (BN) are introduced in,the discotic liquid crystal (DLC)-based polymeric matrix. The DLC matrix exhibits better interfacial affinity with EG compared to BN because of the strong pi-pi interactions between EG and DLC. Thanks to its excellent interfacial affinity, the EG-DLC composites show a synergistic increment in thermal conducting performance.
Keywords
HEXAGONAL BORON-NITRIDE; POLYMER COMPOSITES; EPOXY COMPOSITES; GRAPHITE; NETWORK; FILMS; HEXAGONAL BORON-NITRIDE; POLYMER COMPOSITES; EPOXY COMPOSITES; GRAPHITE; NETWORK; FILMS; discotic liquid crystal; reactive mesogen; thermal conducting material; organic heat transfer material; interfacial phonon scattering
ISSN
1944-8244
URI
https://pubs.kist.re.kr/handle/201004/121790
DOI
10.1021/acsami.7b16921
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KIST Article > 2018
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