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Enhanced thermal conductance at the graphene–water interface based on functionalized alkane chains

机译：基于官能化烷烃链的石墨烯 - 水界面的热传导增强

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Highly efficient thermal transport between graphene and water is crucial in applications such as microscopic heat dissipation, solar steam generation, sea-water desalination, and thermally conductive composites. However, a practical approach for enhancing thermal transport across graphene–water interfaces is lacking. We propose an effective and universal method to improve thermal-transport properties at the interface between multilayer graphene and water by a factor of ～4 by grafting functionalized groups onto graphene. The most improved interfacial thermal conductance was 121.0 ± 11.4 MW m ~(?2) K ~(?1) . This design is compatible with industrial processes. We also undertook molecular-level analyses to unveil the underlying mechanism for heat-transport enhancement. This study could provide new approaches for engineering heat transport across two-dimensional materials and water interfaces.
机译：石墨烯和水之间的高效热输送在微观散热，太阳能蒸汽发生，海水淡化和导热复合材料如微观散热，太阳能蒸汽发电，海水脱盐和导热复合材料中至关重要。然而，缺乏用于增强跨石墨烯 - 水界面热传输的实用方法。我们提出了一种有效且通用的方法，通过将官能化基团移植到石墨烯上，通过将多层石墨烯和水之间的界面改善热传输性能。最改善的界面导热率为121.0±11.4 mw m〜（Δ2）k〜（？1）。该设计与工业流程兼容。我们还进行了分子水平分析，以推出潜在的热传输增强机制。本研究可以为两维材料和水接口提供新的工程热传输方法。

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