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首页> 外文期刊>Journal of Physics, D. Applied Physics: A Europhysics Journal >Compliance properties study of carbon nanofibres (CNFs) array as thermal interface material
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Compliance properties study of carbon nanofibres (CNFs) array as thermal interface material

机译：碳纳米纤维（CNF）阵列作为热界面材料的顺应性研究

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Carbon nanostructures, such as carbon nanotubes (CNTs) and carbon nanofibres (CNFs), have the potential, owing to their high thermal conductivity, to be successfully employed in micro- and opto-electronic devices for effective integrated circuits cooling. We address the CNT/CNF compliance properties and their effect on the thermal performance of CNT/CNF based thermal interface materials (TIMs). We synthesized vertically aligned CNT/CNF arrays on a Cu substrate by using the plasma enhanced chemical vapour deposition technique. Cu was used also to fill in the gaps between the CNT/CNF, and electrochemical deposition (ECD) was employed for this purpose. The number and the length of the CNT/CNFs protruding out of the Cu matrix were controlled by controlling the time of the ECD deposition. The thermal properties of CNT/CNF and CNT/CNF-Cu composites were characterized by photothermal method. We found that the CNT/CNF structural compliance with respect to the axial ('through-thickness') loading strongly affects the CNT/CNF array performance as a TIMs.
机译：碳纳米结构，例如碳纳米管（CNT）和碳纳米纤维（CNF），由于其高导热性而具有潜力，可以成功地用于微电子和光电器件中，以有效地进行集成电路冷却。我们讨论了CNT / CNF顺应性及其对基于CNT / CNF的热界面材料（TIM）的热性能的影响。我们使用等离子增强化学气相沉积技术在铜基板上合成了垂直排列的CNT / CNF阵列。 Cu还用于填充CNT / CNF之间的间隙，并且为此目的采用了电化学沉积（ECD）。通过控制ECD沉积的时间来控制从Cu基体中伸出的CNT / CNF的数量和长度。用光热法表征了CNT / CNF和CNT / CNF-Cu复合材料的热性能。我们发现，相对于轴向（“厚度贯穿”）载荷，CNT / CNF的结构柔韧性极大地影响了CNT / CNF阵列作为TIM的性能。

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