EAPSI: Anion Binding Directed Supramolecular Donor-Acceptor Assemblies for Photoinduced Charge Separa

EAPSI：用于光生电荷分离的阴离子结合定向超分子供体-受体组件

• 批准号: 1613957
• 负责人: Whitney Webre
• 金额: $ 0.54万
• 依托单位: Webre Whitney A
• 依托单位国家: 美国
• 项目类别: Fellowship Award
• 财政年份: 2016
• 资助国家: 美国
• 起止时间: 2016-06-15 至 2017-05-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=1613957&HistoricalAwards=false
• 关键词: EAPSI; Anion; Binding; Directed; Supramolecular

Solar energy is an excellent renewable energy source because of the near unlimited amount of solar radiation that reaches the Earth's surface. An avenue towards improved solar generation is the development of solar cells that employ copycat systems based on photosynthesis. The research will involve design, syntheses, and characterization of electron donor-acceptor hybrids where light energy can be stored in the form of radical ion-pairs. The work will be conducted in collaboration with Dr. Jonathan Hill at the National Institute of Materials Science (NIMS) in Tsukuba, Japan. The collaboration provides direct access to unique techniques available at NIMS. Development of renewable energy sources is a matter of major scientific and social importance, and this project will have a positive impact on renewable solar energy harvesting.Research on renewable energy is essential due to the limited fossil energy resources and environmental problems they continue to generate. Converting solar energy into electricity or fuel using donor-acceptor systems, Nature?s way of harvesting light energy, has gained much interest in recent years. In this project, the development of novel self-assembled via anion binding donor-acceptor conjugates comprised of metalloporphyrin and oxoporphyrinogen as wide band capturing light energy harvesting systems will by synthesized in Dr. Hill's laboratory at NIMS. The syntheses, characterization, spectroscopic and electrochemical studies will be performed at NIMS and photoinduced electron transfer leading to charge separation in the newly developed conjugates will be investigated using time-resolved emission and transient absorption techniques at the University of North Texas under Dr. Francis D'Souza after the program is completed.This award under the East Asia and Pacific Summer Institutes program supports summer research by a U.S. graduate student and is jointly funded by NSF and the Japan Society for the Promotion of Science.

太阳能是一种极好的可再生能源，因为几乎无限的太阳辐射到达地球表面。改进太阳能发电的一个途径是开发采用基于光合作用的模仿系统的太阳能电池。 该研究将涉及电子供体-受体混合物的设计、合成和表征，其中光能可以以自由基离子对的形式存储。这项工作将与日本筑波国家材料科学研究所（NIMS）的Jonathan Hill博士合作进行。 该合作提供了直接访问NIMS可用的独特技术。可再生能源的开发具有重大的科学和社会意义，该项目将对可再生太阳能的收集产生积极的影响。由于化石能源有限，而且它们继续产生环境问题，因此对可再生能源的研究至关重要。使用供体-受体系统将太阳能转化为电能或燃料，自然？近年来，这种收集光能的方式引起了人们的广泛兴趣。 在本项目中，将在NIMS的Hill博士实验室合成新型自组装阴离子结合供体-受体缀合物，其由金属卟啉和氧代卟啉原组成，作为宽带捕获光能收集系统。合成，表征，将在NIMS进行光谱和电化学研究，并将使用时间-在项目完成后，在北德克萨斯大学由弗朗西斯·德索萨博士领导下，解决了发射和瞬态吸收技术。东亚和太平洋夏季研究所项目下的这一奖项支持了美国研究生，由NSF和日本科学促进会共同资助。