中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
Enhancing the Thermal Conductance of Polymer and Sapphire Interface via Self-Assembled Monolayer

文献类型:期刊论文

作者Zheng, Kun1; Sun, Fangyuan2; Zhu, Jie2,4; Ma, Yongmei1; Li, Xiaobo3; Tang, Dawei2; Wang, Fosong1; Wang, Xiaojia4
刊名ACS NANO
出版日期2016-08-01
卷号10期号:8页码:7792-7798
关键词interfacial thermal conductance solubility parameter organic-inorganic interface miscibility time domain thermoreflectance
英文摘要Interfacial thermal conductance (ITC) receives enormous consideration because of its significance in determining thermal performance of hybrid materials, such as polymer based nanocomposites. In this study, the ITC between sapphire and polystyrene (PS) was systematically investigated by time domain thermoreflectance (TDTR) method. Silane based self-assembled monolayers (SAMs) with varying end groups, -NH2, -Cl, -SH and -H, were introduced into sapphire/PS interface, and their effects on ITC were investigated. The ITC was found to be enhanced up by a factor of 7 through functionalizing the sapphire surface with SAM, which ends with a chloride group (-Cl). The results show that the enhancement of the thermal transport across the SAM-functionalized interface comes from both strong covalent bonding between sapphire and silane-based SAM, and the high compatibility between the SAM and PS. Among the SAMs studied in this work, we found that the ITC almost linearly depends on solubility parameters, which could be the dominant factor influencing on the ITC compared with wettability and adhesion. The SAMs serve as an intermediate layer that bridges the sapphire and PS. Such a feature can be applied to ceramic-polymer immiscible interfaces by functionalizing the ceramic surface with molecules that are miscible with the polymer materials. This research provides guidance on the design of critical-heat transfer materials such as composites and nanofluids for thermal management.
WOS标题词Science & Technology ; Physical Sciences ; Technology
类目[WOS]Chemistry, Multidisciplinary ; Chemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary
研究领域[WOS]Chemistry ; Science & Technology - Other Topics ; Materials Science
关键词[WOS]ADHESION ; TRANSPORT ; SURFACE ; FILMS ; THIN ; NANOSCALE ; SUBSTRATE ; BEHAVIOR ; LAYERS
收录类别SCI
语种英语
WOS记录号WOS:000381959100062
源URL[http://ir.etp.ac.cn/handle/311046/112515]  
专题工程热物理研究所_中国科学院工程热物理所(论文库)_期刊论文(SCI)
作者单位1.Chinese Acad Sci, Inst Chem, Beijing 100190, Peoples R China
2.Chinese Acad Sci, Inst Engn Thermophys, Beijing 100190, Peoples R China
3.Huazhong Univ Sci & Technol, Sch Energy & Power Engn, Wuhan 430074, Peoples R China
4.Univ Minnesota, Dept Mech Engn, Minneapolis, MN 55455 USA
推荐引用方式
GB/T 7714
Zheng, Kun,Sun, Fangyuan,Zhu, Jie,et al. Enhancing the Thermal Conductance of Polymer and Sapphire Interface via Self-Assembled Monolayer[J]. ACS NANO,2016,10(8):7792-7798.
APA Zheng, Kun.,Sun, Fangyuan.,Zhu, Jie.,Ma, Yongmei.,Li, Xiaobo.,...&Wang, Xiaojia.(2016).Enhancing the Thermal Conductance of Polymer and Sapphire Interface via Self-Assembled Monolayer.ACS NANO,10(8),7792-7798.
MLA Zheng, Kun,et al."Enhancing the Thermal Conductance of Polymer and Sapphire Interface via Self-Assembled Monolayer".ACS NANO 10.8(2016):7792-7798.

入库方式: OAI收割

来源:工程热物理研究所

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