Tautomerically Active Modules in Extended pi-Electron Systems

扩展π电子系统中的互变活性模块

• 批准号: 1057411
• 负责人: Ronald Castellano
• 金额: $ 40.5万
• 依托单位: University of Florida
• 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: 2011-10-01 至 2015-09-30
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=1057411&HistoricalAwards=false
• 关键词: Tautomerically; Active; Modules; Extended; pi

In this project funded by the Macromolecular, Supramolecular and Nanochemistry Program of the Chemistry Division, Ronald K. Castellano of the University of Florida will synthesize and characterize pi-conjugated molecular systems containing tautomerically active heterocyclic building blocks that ultimately could be used to create materials with tunable physical, chemical, supramolecular, and optoelectronic properties. Experimental and theoretical studies will systematically explore the interplay between tautomerism and extended pi-electron delocalization in three settings: (1) fused polycyclic aromatic ring systems; (2) linear pi-conjugated architectures; (3) supramolecular aggregates. The broader impacts of the project include training graduate and undergraduate students in multidisciplinary science in preparation for their future careers. The students involved in the project will also participate, as graduate/undergraduate teams and together with the University of Florida Chemistry Club, in the delivery of standards-aligned experimental modules to science classrooms around Alachua County, Florida. Electrically conducting carbon-based (organic) molecules and polymers hold enormous promise for realizing highly efficient, affordable, and broadly available electronic and optical devices. This research explores a general approach to prepare "adjustable" versions of these materials with tunable or environmentally responsive properties. The results of the studies could facilitate access to high performing organic light-emitting devices, solar cells, and sensors.

本课题由化学系高分子、超分子和纳米化学项目资助，罗纳德K.佛罗里达大学的Castellano将合成和表征含有互变异构活性杂环结构单元的π共轭分子系统，这些结构单元最终可用于制造具有可调物理、化学、超分子和光电特性的材料。 实验和理论研究将系统地探索互变异构和扩展的π电子离域之间的相互作用在三个设置：（1）稠合多环芳环系统;（2）线性π共轭架构;（3）超分子聚集体。 该项目的更广泛影响包括培训研究生和本科生多学科科学，为他们未来的职业生涯做准备。 参与该项目的学生还将作为研究生/本科生团队与佛罗里达大学化学俱乐部一起参与向佛罗里达阿拉楚阿县周围的科学教室提供标准一致的实验模块。 导电碳基（有机）分子和聚合物在实现高效、经济实惠和广泛可用的电子和光学器件方面具有巨大的前景。 这项研究探索了一种通用的方法来制备这些材料的“可调”版本，具有可调或环境响应特性。这些研究的结果可能有助于获得高性能的有机发光器件，太阳能电池和传感器。