Nanowires: A new platform for semiconductor manufacturing with an emphasis in multi-spetral infrared cameras

纳米线：半导体制造的新平台，重点是多光谱红外相机

• 批准号: 478906-2015
• 负责人: LaPierre, Ray
• 金额: $ 10.82万
• 依托单位: McMaster University
• 依托单位国家: 加拿大
• 项目类别: Strategic Projects - Group
• 财政年份: 2017
• 资助国家: 加拿大
• 起止时间: 2017-01-01 至 2018-12-31
• 项目状态: 已结题
• 来源: https://www.nserc-crsng.gc.ca/ase-oro/Details-Detailles_eng.asp?id=641889
• 关键词: Nanowires; new; platform; semiconductor; manufacturing

This proposal will develop a novel means of wavelength-selective infrared photodetection. Our method, based on ordered arrays of III-V semiconductor nanowires, is expected to yield a high-performance, large-area, low-cost alternative to mercury cadmium telluride mid-wavelength infrared detectors and related detector technologies. These devices are of interest in manufacturing, astronomy, automotive safety, surveillance, search and rescue and defense applications. We have demonstrated in simulations and experiment that nanowires concentrate and absorb light in only a few microns of nanowire length, enabling highly efficient photodetection with relatively little material. This absorption shows wavelength selectivity that can be tuned continuously across the visible and infrared wavelengths by adjusting the nanowire diameter, which we have very tight control over owing to novel growth methods. This behavior leads to a new concept for "multi-spectral" imaging using ordered nanowire arrays compatible with existing silicon technology. This multi-spectral capability is highly desirable for advanced infrared imaging systems with enhanced target discrimination and identification, improved discrimination of absolute temperature and unique signatures of objects, and advanced color processing algorithms for further improved sensitivity. Much of the groundwork for integrating nanowires with standard silicon technology, and perfecting the properties of the nanowires themselves, has already been carried out by us in collaboration with a leading digital imaging company, Teledyne Dalsa. The multi-spectral capability, however, is a new effect only recently discovered by the applicant, and we will pursue its development from fundamental studies to device integration. The development and commercialization of this technology by Teledyne Dalsa will lead to significant economic benefits to Canada due to the wide range of commercial, military, and industrial receptors of sensitive and cost-effective multi-spectral infrared photodetectors and cameras.

这一建议将发展一种新的波长选择性红外光电探测手段。我们的方法，基于III-V族半导体纳米线的有序阵列，预计将产生高性能，大面积，低成本的替代碲镉汞中波长红外探测器和相关的探测器技术。这些设备在制造业、天文学、汽车安全、监视、搜索和救援以及国防应用中很有意义。我们已经在模拟和实验中证明，纳米线在只有几微米的纳米线长度上聚集和吸收光，从而能够用相对较少的材料实现高效的光电探测。这种吸收显示出波长选择性，可以通过调整纳米线直径在可见光和红外波长范围内连续调谐，由于新的生长方法，我们可以非常严格地控制纳米线直径。这种行为导致了一个新的概念，“多光谱”成像使用有序的纳米线阵列与现有的硅技术兼容。这种多光谱能力对于具有增强的目标辨别和识别、改进的绝对温度辨别和物体的独特特征、以及用于进一步改进灵敏度的高级颜色处理算法的高级红外成像系统是非常期望的。我们与领先的数字成像公司Teledyne Dalsa合作，已经完成了将纳米线与标准硅技术集成以及完善纳米线本身特性的大部分基础工作。然而，多光谱能力是申请人最近才发现的新效应，我们将从基础研究到设备集成进行开发。Teledyne Dalsa对这项技术的开发和商业化将为加拿大带来巨大的经济效益，因为它具有广泛的商业、军事和工业接收器，这些接收器具有灵敏和成本效益高的多光谱红外光电探测器和相机。