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

亚利桑那大学的尼尔·阿姆斯特朗教授由分析和表面化学项目资助，为电子应用制备和表征有序的有机材料薄膜。层中界面引起的紊乱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。该PI提议修改酞菁基盘状材料，以促进聚合和自组织排列。两种表面修饰将用于校准：化学修饰底物和毛细管通道。材料将通过原子力显微镜（AFM）进行表征，包括导电尖端AFM和光电发射光谱。这类技术相关的有机材料在场效应晶体管和光伏等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。

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.