3 years ago

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

Interfacial
Engineering for the Synergistic Enhancement of Thermal Conductivity
of Discotic Liquid Crystal Composites
Jin Soo Kim, Youngsu Kim, Cheul-Ro Lee, Kwang-Un Jeong, Minwook Park, Dong-Gue Kang, Chae Bin Kim, Changwoon Nah, Namil Kim, Munju Goh
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 π–π interactions between EG and DLC. Thanks to its excellent interfacial affinity, the EG-DLC composites show a synergistic increment in thermal conducting performance.

Publisher URL: http://dx.doi.org/10.1021/acsami.7b16921

DOI: 10.1021/acsami.7b16921

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