Optical Excitations of Organic Macromolecular Aggregates

有机高分子聚集体的光激发

• 批准号: 1306815
• 负责人: Theodore Gore Goodson
• 金额: $ 43.5万
• 依托单位: Regents of the University of Michigan - Ann Arbor
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2013
• 资助国家: 美国
• 起止时间: 2013-06-01 至 2017-05-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=1306815&HistoricalAwards=false
• 关键词: Optical; Excitations; Organic; Macromolecular; Aggregates

TECHNICAL SUMMARY:Organic hyperbranched polymers are now promising candidates for a number of electronic and optical applications. In this project a hypothesis of the mechanism of the enhanced dielectric effects in phthalocyanine hyperbranched polymers is investigated. The proposed studies are to be carried out in two phases. The first phase consists of a detailed investigation of the polaron dynamics in organic branched macromolecules. The second phase is related to the development of a hybrid capacitor/fuel cell design for increased energy and power density energy storage devices. The PI's research group will design, synthesize, and investigate in detail hyperbranched phthalocyanine polymers and probe their structure-function relationships. The scope of this work thus involves: a) detailed mechanistic studies of the polaron hopping rate and delocalization length in hyperbranched polymers; b) the design and fabrication of a capacitor/battery hybrid system which will deliver reliably increased energy and power. In the proposed studies, the PI's group will investigate different factors affecting the hopping length and rate and thus contributing to the dielectric response of the proposed hyperbranched systems. Both optical and electronic experiments will be conducted to probe structure-function relationships as they relate to the dielectric response in hyperbranched systems. NON-TECHNICAL SUMMARY:This project concerns the understanding of the electronic properties of new materials useful for electronic applications. In particular, research is to be carried out on certain organic polymer materials which have unusual properties that are beneficial for energy storage devices. Research will be conducted to understand the fundamental properties of these materials and to calibrate their energy storage characteristics based on their structure. This planned research allows for the mentoring of younger (high school) scientists in the surrounding areas in the field of materials and enriching their scientific and mathematical backgrounds. Also, with industrial collaborations, this research project will provide opportunities for mentoring women and minority scientists to further their careers in graduate school and in academic professions.

技术综述：有机超支化聚合物目前在许多电子和光学应用领域具有广阔的应用前景。在这个项目中，我们提出了一种关于酞菁超支化聚合物介电增强效应机理的假说。拟议的研究将分两个阶段进行。第一阶段是对有机支化大分子中极化子动力学的详细研究。第二阶段涉及为提高能量和功率密度的储能设备而开发的混合电容器/燃料电池设计。PI的研究小组将设计、合成和详细研究超支化的酞菁聚合物，并探索它们的结构-功能关系。因此，这项工作的范围涉及：a)超支化聚合物中极化子跳跃速率和离域长度的详细机理研究；b)电容器/电池混合系统的设计和制造，该系统将可靠地提供更多的能量和功率。在建议的研究中，PI的小组将研究影响跳跃长度和速率的不同因素，从而对建议的超支化系统的介电响应做出贡献。光学和电学实验都将被用来探索结构-功能关系，因为它们与超支化系统中的介电响应有关。非技术概述：本项目涉及对电子应用有用的新材料的电子性质的理解。特别是，将对某些具有特殊性能的有机聚合物材料进行研究，这些材料有利于储能设备。将进行研究，以了解这些材料的基本性质，并根据其结构校准它们的储能特性。这项计划中的研究允许对周围地区材料领域的年轻(高中)科学家进行指导，并丰富他们的科学和数学背景。此外，通过产业合作，该研究项目将为指导妇女和少数族裔科学家在研究生院和学术专业进一步发展她们的职业生涯提供机会。