Time-resolved and polarised fluorescence studies of polymeric and biological systems

Abstract

Understanding the dynamics of energy migration for disordered complex systems such as polymeric solar cells is crucial for optimizing the charge transport process and obtaining efficient devices. Fluorescence anisotropy provides information on the mobility and orientation of the bio-molecules and has been used to investigate protein–protein interactions. Despite recent exploration and advances in techniques, the dynamics of fluorescence depolarisation in complex systems are not yet fully comprehended. This thesis reports a new strategy to map the fluorescence anisotropy and investigate the energy migration and macromolecular rotational diffusion in polymeric and biological systems. A fluor..