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使用黑的活性变频光电子

Hyungjin Kim^1,2, Shiekh Zia Uddin^1,2, Der-Hsien Lien^1,2

¹Department of Electrical Engineering and Computer Sciences, University of California, Berkeley, CA, USA.

|August 12, 2021

概括

黑可以在室温下调节红外光电子. 这种对应变敏感的材料可以在设备中进行可逆波长调整,从而推进气体传感等应用.

科学领域:

材料科学
光电子产品
红外技术

背景情况:

室温红外光电子设备对于各种应用至关重要.
目前调整工作波长的方法涉及复杂的制造和固定的光谱范围.
制造后可主动调节的光电子平台是非常理想的.

研究的目的:

展示一个高性能,室温红外光电子的新平台,具有活跃可变光谱.
探索黑在可调节的光电子设备中的潜力.
通过这个可调的平台展示多重气体传感能力.

主要方法:

使用黑的应变敏感带隙 (0.220.53 eV) 进行光谱调整.
制造和测试基于黑的发光二极管和光探测器.
开发一个多重无散射的红外气体传感系统.

主要成果:

在黑色光电子中实现了连续和可逆调整工作波长.
在室温下进行高性能操作.
通过单一光源成功实现多种气体 (CO2,CH4,H2O) 的多重传感.

结论:

黑为可主动调节的红外光电子提供了一个理想的材料平台.
这项技术通过在制造后实现可变的排放和检测频谱来弥补差距.
开发的平台具有包括先进气体传感在内的多种光电子应用的巨大潜力.

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