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Full Description
Ultrafast Dynamics at the Nanoscale provides a combined experimental and theoretical insight into the molecular-level investigation of light-induced quantum processes in biological systems and nanostructured (bio)assemblies. Topics include DNA photostability and repair, photoactive proteins, biological and artificial light-harvesting systems, plasmonic nanostructures, and organic photovoltaic materials, whose common denominator is the key importance of ultrafast quantum effects at the border between the molecular scale and the nanoscale. The functionality and control of these systems have been under intense investigation in recent years in view of developing a detailed understanding of ultrafast nanoscale energy and charge transfer, as well as fostering novel technologies based on sustainable energy resources.
Both experiment and theory have made big strides toward meeting the challenge of these truly complex systems. This book, thus, introduces the reader to cutting-edge developments in ultrafast nonlinear optical spectroscopies and the quantum dynamical simulation of the observed dynamics, including direct simulations of two-dimensional optical experiments. Taken together, these techniques attempt to elucidate whether the quantum coherent nature of ultrafast events enhances the efficiency of the relevant processes and where the quantum-classical boundary sets in, in these high-dimensional biological and material systems. The chapters contain well-illustrated accounts of the authors' research work, including didactic introductory material, and address a multidisciplinary audience from chemistry, physics, biology, and materials sciences. The book is, therefore, a must-have for graduate- and postgraduate-level researchers who wish to learn about molecular nanoscience from a combined spectroscopic and theoretical viewpoint.
Contents
Excited States of Single-Stranded DNA Revealed by Femtosecond Transient Absorption Spectroscopy. Photoactive Yellow Protein: Converting Light into a Metastable Structural Change. Energy Transfer Mechanisms in Nano-Bio Hybrid Structures Based on Quantum Dots and Photosensitive Membrane Proteins. Dynamics and Mechanisms of Ultraviolet-Damaged DNA Repair by Photolyases. Ultrafast Light-Induced Processes in DNA-Photolyase and Its Substrate-Bound Complex. Intra-Protein Structural and Reactive Dynamics Studied with Ultrafast Broadband and Two-Dimensional Spectroscopy. Ultrafast Exciton Dynamics in Correlated Environments. Excitation Energy Transfer in Light Harvesting Systems: Theory, Models, and Application. Bridging the Gap between Coherent and Incoherent Resonance Energy Transfer Dynamics by Quantum Master Equations in the Polaron Picture. Theory of Metal Nanoparticle-Affected Optical and Transport Properties in Supramolecular Complexes. Ultrafast Energy and Charge Transfer in Functional Molecular Nanoscale Aggregates. Ultrafast Spectroscopy: Quantum Information and Wavepackets. Simulating the Nonlinear Optical Response of Multichromophore Complexes.
