STTR Phase II: Graphene Based NOx Detector

STTR 第二阶段：基于石墨烯的氮氧化物探测器

• 批准号: 1058439
• 负责人: Nick Sbrockey
• 金额: $ 50万
• 依托单位: STRUCTURED MATERIALS INDUSTRIES, INC.
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2011
• 资助国家: 美国
• 起止时间: 2011-02-01 至 2013-01-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=1058439&HistoricalAwards=false
• 关键词: STTR; Phase; II; Graphene; Based

This Small Business Technology Transfer (STTR) Phase II project will develop a low-cost, high sensitivity detector for nitrogen oxides (NOx). The detector will be based on the recently discovered material - graphene. In its most elemental form, graphene consists of a single layer of carbon atoms arranged in a hexagonal array. Since first isolated in 2004, scientists have been rapidly documenting the unusual physical and electrical properties of graphene, and the many potential commercial applications of this unique and multifunctional material. Gas detectors, such as the presently proposed NOx sensor, will be the first commercial application for graphene based devices. Graphene films can potentially detect down to a single molecule of an adsorbed gas.The broader impacts of this research are that the availability of an effective, inexpensive NOx sensor will enable closed-loop control of engine conditions in auto and truck applications, allowing manufacturers to simultaneously optimize vehicle performance and fuel economy, while maintaining NOx emissions within standards. A portable version of the inexpensive NOx sensor will also enable emissions monitoring for a wide range of other industrial and regulatory applications. In addition, the technology developed will extend the knowledge base for graphene material processing and device applications. Many more applications for graphene are possible, ranging from high speed transistors to spintronic devices to radiation detectors (THz through infrared to optical) to NEMS devices. Graphene also offers the potential to combine these functions into a single device.

这个小型企业技术转让(STTR)第二阶段项目将开发一种低成本、高灵敏度的氮氧化物(NOx)检测器。该探测器将基于最近发现的材料--石墨烯。在其最基本的形式中，石墨烯由以六角形阵列排列的单层碳原子组成。自2004年首次分离以来，科学家们一直在迅速记录石墨烯不同寻常的物理和电学特性，以及这种独特的多功能材料的许多潜在商业应用。气体探测器，如目前建议的NOx传感器，将是基于石墨烯的设备的第一个商业应用。这项研究的更广泛影响是，有效、廉价的NOx传感器的可用性将使汽车和卡车应用中的发动机状况能够进行闭环控制，使制造商能够同时优化车辆性能和燃油经济性，同时将NOx排放保持在标准范围内。价格低廉的NOx传感器的便携式版本还将使排放监测能够用于广泛的其他工业和监管应用。此外，开发的技术将扩展石墨烯材料加工和器件应用的知识库。石墨烯的更多应用是可能的，从高速晶体管到自旋电子器件，到辐射探测器(从太赫兹到红外再到光学)，再到NEMS设备。石墨烯还提供了将这些功能结合到单一设备中的可能性。