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Bolometric detector on the basis of single-wall carbon nanotube/polymer composite

机译:基于单壁碳纳米管/聚合物复合材料的测压检测器

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摘要

Infrared imaging sensors that operate without cryogenic cooling have the potential to provide the military or civilian users with infrared vision capabilities packaged in a camera of extremely small size, weight and power consumption. We present here the uncooled bolometric sensor on the basis of single-walled carbon nanotubes (SWNTs) polymer composite with enhanced sensitivity. The voltage responsivity of device working at room temperatures exceeds 150 V/W. The absorption coefficient of single-wall carbon nanotubes was increased by involving Forster type energy transfer from polymer film to dispersed SWNT. The temperature gradient of resistivity was substantially improved by chemical functionalization of SWNT. (C) 2008 Elsevier B.V. All rights reserved.
机译:在不进行低温冷却的情况下运行的红外成像传感器有可能为军事或民用用户提供包装在尺寸,重量和功耗极小的照相机中的红外视觉功能。我们在此基于具有增强灵敏度的单壁碳纳米管(SWNTs)聚合物复合材料提出了未冷却的辐射热传感器。在室温下工作的设备的电压响应超过150 V / W。通过涉及从聚合物膜到分散的SWNT的Forster型能量转移,增加了单壁碳纳米管的吸收系数。通过SWNT的化学官能化,电阻率的温度梯度得到了显着改善。 (C)2008 Elsevier B.V.保留所有权利。

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