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武汉工程大学宋金霖APL:基于六方氮化硼的石墨烯间近场热辐射调控

  • 2026-10-08 20:24:23
武汉工程大学宋金霖APL:基于六方氮化硼的石墨烯间近场热辐射调控
转自 AIPP学术

基于六方氮化硼的石墨烯间近场热辐射调控

 武汉工程大学宋金霖课题组

研究介绍

当物体间距小于热辐射的特征波长时（室温下约10 μm），辐射传热由倏逝波而非传播波主导，即近场辐射传热，其辐射热流可以远超黑体辐射极限因而广受关注。在微纳尺度电子器件中，近场辐射传热不可避免，它会显著增加器件的局部温度和热噪声，从而降低器件的性能和耐久性。因此，对近场辐射传热进行灵活调制至关重要。相较于两体系统，多体系统更为普遍，并且多体间的本征相互作用，对近场热光子隧穿影响显著。

图1 三体结构示意图及hBN介电函数随偏移频率的变化

鉴于此，该文章理论研究了利用六方氮化硼（hBN）对石墨烯间辐射传热的增强和调控，重点讨论了石墨烯等离子体极化激元和hBN双曲线模式间的耦合与解耦合。研究发现，在不改变石墨烯和石墨烯间的距离和不引入额外热源的情况下，增加hBN平板可以补偿倏逝波衰减，从而使近场辐射传热增强1.5倍；此外，调整hBN的偏移频率可以改变其双曲线模式与石墨烯表面等离子体极化激元的耦合，从而使热调制比达到3.5。预期研究成果将有助于纳米尺度的非接触式热管理，并促进基于hBN的多体系统光子隧穿的物理理解。
图2 不同偏移频率下，两体系统与三体系统的穿透系数对比

团队介绍

宋金霖，博士，武汉工程大学电气信息学院讲师，硕士生导师。长期从事微纳尺度辐射传热、纳米光子学以及太阳能转换等领域。以第一/通讯作者在Reports on Progress in Physics、Nano Energy、Small、Nanophotonics、IJHMT、PRAppl、PRB、APL、OE等期刊发表论文20余篇，授权中国发明专利5项。作为项目负责人主持国家自然科学基金青年科学基金项目1项、中国博士后科学基金面上项目1项。

原文信息

标题：hBN-based enhancement and regulation of radiative heat transfer between two monolayer graphene sheets

作者：Jinlin Song, Lei Chen, Lin Jin, Lei Yao, Humeyra Caglayan, and Run Hu

期刊：Applied Physics Letters, 2022, 121(17), 171104

链接：

https://aip.scitation.org/doi/10.1063/5.0117028

期刊介绍

Applied Physics Letters (APL) 提供关于应用物理学重要新发现的简明、最新报告。

关于AIP出版社

美国物理联合会出版社（AIP 出版社）是美国物理联合会（AIP）旗下的非营利独资出版社。AIP 出版社的使命是在物理和相关科学领域开展学术出版活动，以支持AIP的慈善、科学和教育目标。我们也代表出版合作伙伴进行出版活动，以帮助其积极推进自身的使命。

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https://publishing.aip.org/

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