Testing Molecular Wires A Photophysical and Quantum Chemical Assay [Paperback]

This is a major contribution to the field of charge transport through organic pi-conjugated molecules. Besides its impact on molecular electronics, the work also applies to the design and development of light harvesting, photoconversion and catalytic modules.

I. Introduction and Motivation 11. Introduction to Molecular Electronics 21.1. Present Technology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61.2. Limitations of Present Technology . . . . . . . . . . . . . . . . . . . . . . . . . . 72. Motivation - Focusing on Molecular Wires 9II. Theoretical Concepts 113. Concepts of Photoinduced Electron and Energy Transfer Processes AcrossMolecular Bridges 123.1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123.2. Electron TransferMechanisms . . . . . . . . . . . . . . . . . . . . . . . . . . . . 143.2.1. Superexchange . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 173.2.2. Charge Hopping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 223.2.3. Interplay ofMechanisms . . . . . . . . . . . . . . . . . . . . . . . . . . . 243.3. Electronic Energy Transfer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 253.3.1. Coulombic Energy Transfer . . . . . . . . . . . . . . . . . . . . . . . . . . 263.3.2. Exchange Energy Transfer . . . . . . . . . . . . . . . . . . . . . . . . . . . 274. Molecule-Assisted Transport of Charges and Energy Across Donor-Wire-Acceptor Junctions 304.1. Mechanisms of Charge Transfer throughMolecularWires . . . . . . . . . . . . 324.1.1. Superexchange Charge Transfer inMolecularWires . . . . . . . . . . . . 334.1.2. Sequential Charge Transfer inMolecularWires . . . . . . . . . . . . . . 344.2. Factors that Determine the Charge TransferMechanism . . . . . . . . . . . . . 364.2.1. Electronic Coupling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 364.2.2. EnergyMatching . . . . . . . . . . . . . . . . . . . . .lc'