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通过薄聚合物辅助的静电自组件进行分离的纳米钻石的均涂层,用于热传感

Chengyuan Yang¹, Vignesh Suresh², Aliki S Rotelli¹

¹Centre for Ion Beam Applications, Department of Physics, National University of Singapore, 2 Science Drive 3, 117551, Singapore. a.bettiol@nus.edu.sg.

|September 1, 2025

概括

研究人员开发了一种低成本的方法,用于涂层分离的纳米钻石 (NDs),用于非侵入性热传感. 这种技术可以最大限度地减少热量传播,

科学领域:

材料科学
纳米技术
量子感应

背景情况:

在纳米钻石 (ND) 中的空 (NV) 中心对纳米尺度的温度传感有希望.
钻石的高导热率导致散热, 阻碍了非侵入性测量.
分离ND对于减轻传感应用中的热扩散至关重要.

研究的目的:

开发一种可扩展的,具有成本效益的方法来对分离的ND进行均涂层.
通过使用NDS实现非侵入性和精确的纳米级热传感.
在基于ND的温度测量中减少热扩散.

主要方法:

使用快速,薄的聚合物辅助静电自组装工艺进行ND涂层.
在涂层实验中使用负电荷的100纳米碳酸.
进行热映射和稳定状态热模拟以评估性能.

主要成果:

实现了具有控制面积密度 (高达1.74 × 10^9 cm^-2) 和低光损耗 (1.21%) 的均ND涂层.
在热映射中证明了低测量误差 (1.32 °C),尽管存在ND尺寸变化.
与ND薄膜相比,热扩散率降低了七倍以上.

结论:

开发的方法提供了一个简单的,大规模的解决方案,用于涂层分离的ND.
这种方法可以实现基于纳米钻石的非侵入性和精确的热传感.
这种技术有助于推进纳米和微尺度热成像应用.

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