RUI: Promoting Through-Space Charge Transfer via Arylene Ethynylene Templates

RUI：通过亚芳基乙炔模板促进空间电荷转移

• 批准号: 2303822
• 负责人: Nathan Bowling
• 金额: $ 37.99万
• 依托单位: University of Wisconsin-Stevens Point
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2023
• 资助国家: 美国
• 起止时间: 2023-10-01 至 2026-09-30
• 项目状态: 未结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=2303822&HistoricalAwards=false
• 关键词: RUI; Promoting; Through; Space; Charge

With the support of the Macromolecular, Supramolecular and Nanochemistry Program in the Division of Chemistry, Professor Nathan Bowling of the University of Wisconsin-Stevens Point will design and synthesize new molecules that display behavior potentially useful for modern catalysts, organic light-emitting diodes (OLEDs), and molecular sensing devices. Specifically, Professor Bowling and his students will generate molecular templates that hold different molecular components in proximity and study how the relative orientation of the components affects their interactions and electronic properties. The fundamental knowledge to be gained will help advance the development of next generation, charge transfer-based devices and catalysts. Synthesis, purification, and characterization of these compounds will be performed exclusively by undergraduate students and Professor Bowling at the University of Wisconsin-Stevens Point. Hands-on experience with cutting edge research projects will position these students well to excel in the chemical industry or in graduate studies. This project aims to develop a variety of templates to promote efficient charge-transfer between electron-rich and electron-poor aromatic subunits in solution and the solid state. The primary method for promoting through-space interaction of these subunits is a twisted arylene ethynylene framework upon which the subunits interact in an intramolecular fashion. Rotation around a central tolane forces complementary electron-rich/electron-poor arms of the rotor to collide. Electronic (UV-vis) and crystallographic (x-ray) studies will provide insight into how the orientation of subunits in these through-space collisions impacts charge transfer behavior. Additionally, halogen bonding and metal complexation will be used as driving forces to mimic the geometry of the twisted arylene ethynylene systems. The onset of visible color expected with charge transfer may provide opportunities for colorimetric quantification of host-guest interaction in these dynamic systems. After initial characterization, template design will focus on controlling the relative orientations of electron-rich/electron-poor pairs for optoelectronic, sensing, and catalyst applications. The designed systems are expected to provide a method for studying charge transfer behavior that is otherwise difficult to study. In the longer term, the work has the potential to establish a foundation for advances in next-generation electronic devices and light-driven catalysis.This award reflects NSF's statutory mission and has been deemed worthy of support through evaluation using the Foundation's intellectual merit and broader impacts review criteria.

在化学系中的大分子，超分子和纳米化学计划的支持下，威斯康星大学 - 斯特文斯·波特（University of Wisconsin-Stevens Point）教授将设计和合成新的分子，以表现出对现代催化剂的可能有用的行为）和分子传感设备。具体而言，保龄球教授和他的学生将产生分子模板，这些模板在接近性方面具有不同的分子成分，并研究组件的相对方向如何影响其相互作用和电子特性。 要获得的基本知识将有助于促进下一代，基于转移的设备和催化剂的发展。 这些化合物的合成，纯化和表征将由威斯康星大学斯特文斯特大学的本科生和保龄球教授专门执行。在尖端研究项目方面的动手经验将使这些学生很好地定位在化学工业或研究生研究中。该项目旨在开发各种模板，以在溶液和固态中促进富含电子和电子贫乏的亚基之间的有效电荷转移。促进这些亚基通过空间相互作用的主要方法是扭曲的芳基乙烯乙烯框架，亚基以分子内的方式相互作用。围绕转子的富含电子富含电子/贫气的互补的中央力旋转，以碰撞。电子（UV-VIS）和晶体学（X射线）研究将提供有关这些通过空间碰撞中亚基的方向如何影响电荷转移行为的洞察力。此外，卤素键合和金属络合物将被用作模仿扭曲芳基乙烯系统的几何形状的驱动力。带电转移的可见颜色的发作可能为这些动态系统中宿主 - 阵线相互作用的比色定量提供了机会。最初表征后，模板设计将集中于控制光电，传感和催化剂应用的电子富含电子/贫困对的相对方向。预期设计的系统将提供一种研究电荷转移行为的方法，原本难以研究。从长远来看，这项工作有可能为下一代电子设备和轻度驱动催化的进步建立基础。该奖项反映了NSF的法定任务，并被认为是值得通过基金会的智力优点和更广泛的评估来支持的。影响审查标准。