Photorelease of Stable Molecules Through One- and Two-Photon Electron Transfer Mechanisms

美国国家科学基金会化学部的化学结构、动力学和机制项目支持马里兰大学帕克分校的Daniel Falvey教授开发具有一个或多个官能团可控光化学释放的新分子系统。该项目的目标是开发供体-受体系统，该系统将进行电子转移敏化反应，释放出稳定的分子，如羧酸。法尔维教授的方法的一个创新之处在于，分子将被设计成在吸收两个光子后进行这些反应，这样就可以利用低能量的可见光。这些反应对许多领域都很重要，因为它们允许对分子运动进行时间和空间控制。该研究的更广泛影响包括改进3D纳米制造过程控制的潜力，以及成像和生物医学应用。Falvey教授因其在多个学科（有机合成、光谱学、动力学和计算化学）的广泛知识而受到认可，这使得他的实验室能够有效地解决困难的研究问题。他在马里兰大学的实验室成功地招募和指导了代表性不足的群体，他还是国际化学奥林匹克竞赛的顾问。

The Chemical Structure, Dynamics and Mechanisms Program in the Chemistry Division at the National Science Foundation supports Professor Daniel Falvey of the University of Maryland- College Park, for the development of new molecular systems with controllable photochemical release of one or more functional groups. The goal of the project is to develop donor-acceptor systems that will undergo electron transfer sensitized reactions that release stable molecules such as carboxylic acids. An innovative feature of Professor Falvey's approach is that the molecules will be designed to undergo these reactions after absorbing two photons, so that low energy visible light can be employed. These reactions are important to many fields as they allow for both temporal and spatial control of the movement of molecules. Broader impacts of the research include the potential for improved control of 3D nanofabrication processes, and for imaging and biomedical applications. Professor Falvey is recognized for his breadth of knowledge across several disciplines (organic synthesis, spectroscopy, kinetics, and computational chemistry), which makes his laboratory effective in tackling difficult research problems. He has been successful in recruiting and mentoring underrepresented groups to his laboratory at the University of Maryland, and he is an advisor to the International Chemistry Olympiad.