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Title: New directions in the ultrafast spectroscopy of organic chromophores
Authors: Kudisch, Bryan
Advisors: Scholes, Gregory D
Contributors: Chemistry Department
Subjects: Physical chemistry
Issue Date: 2020
Publisher: Princeton, NJ : Princeton University
Abstract: The photophysics of organic chromophores is a gargantuan field of study, with various subfields encompassing various spectroscopic techniques, different chromophore types and multichromophoric systems, and materials with practical implications. In even these broad subthemes, ultrafast spectroscopy has played a central role in understanding their photoinduced dynamics, either to build upon our fundamental knowledge of chemical dynamics or to characterize and design more efficient optoelectronic devices. One simple question to ask is: what’s next for ultrafast spectroscopy? This Thesis begins exploring the emerging uses of ultrafast spectroscopy in the context of developing technologies and new experimental techniques. A historical context to ultrafast spectroscopy, focusing on the evolution of the systems studied over various time-periods and motivating the next generation of spectroscopic targets, is presented in Chapter 1. In Chapter 2, sufficient background and theoretical details towards understanding the basics of the photophysics covered in this Thesis is provided. Chapters 3 and 4 reflect early PhD studies on the photophysical dynamics of model chromophore systems, with the latter being of added interest to not only the organic photovoltaics community as well as to the recent development in organic nanoparticles for phototheranostics. Chapter 5 explores novel high magnetic field effects on diamagnetic organic chromophores in an organic nanoparticle, a study with numerous firsts for organic magnetoscience and boasting experiments with femtosecond time resolution at magnetic fields as high as 25 T. Chapter 6 concludes the thesis with a deep-dive into the photophysics of newly discovered photoenzymes, a study which elucidates the role of the active site environment on the photophysical properties of redox active flavoproteins.
Alternate format: The Mudd Manuscript Library retains one bound copy of each dissertation. Search for these copies in the library's main catalog:
Type of Material: Academic dissertations (Ph.D.)
Language: en
Appears in Collections:Chemistry

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