Ultrathin Film Molecular Materials: Characterization of Self-Organizing Discotic Materials and Organic Heterojunction Formation, at the Nanometer Scale

超薄膜分子材料：纳米尺度自组织盘状材料和有机异质结形成的表征

• 批准号: 0211900
• 负责人: Neal Armstrong
• 金额: $ 70.1万
• 依托单位: University of Arizona
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 2002
• 资助国家: 美国
• 起止时间: 2002-08-01 至 2006-07-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=0211900&HistoricalAwards=false
• 关键词: Ultrathin; Film; Molecular; Materials; Characterization

Professor Neal Armstrong of the University of Arizona is funded by the Analytical and Surface Chemistry Program to prepare and characterize ordered thin films of organic materials for electronic applications. Interface-induced disorder in layers lowers carrier mobility and therefore could limit organic materials' use in molecular electronics. The PI proposes to modify phthalocyanine-based discotic materials to facilitate polymerization and alignment by self-organization. Two surface modifications will be used to enable the alignment: chemically modified substrates and capillary channels. The materials will be characterized by atomic force microscopy (AFM), including conductive tip AFM, and photoemission spectroscopy. This technologically relevant class of organic materials has potential uses in electronic devices such as field effect transistors and photovoltaics. Molecular electronics for miniaturization is one of the goals of nanotechnology.

亚利桑那大学的Neal Armstrong教授由分析和表面化学计划资助，以制备和表征用于电子应用的有机材料的有序薄膜。 层中界面诱导的无序降低了载流子的迁移率，因此可能限制有机材料在分子电子学中的应用。 PI建议改性酞菁基分散材料，以促进聚合和自组织排列。 将使用两种表面改性来实现对准：化学改性的基底和毛细管通道。 这些材料将通过原子力显微镜（AFM），包括导电针尖AFM和光电子能谱进行表征。 这类技术相关的有机材料在电子器件如场效应晶体管和光电子器件中具有潜在的用途。 分子电子学的微型化是纳米技术的目标之一。