Molecules are potential building blocks for new optoelectronic devices. Much research is needed in order to understand how molecules with promising properties interact to form a higher order matter, and to be able to incorporate the self-assembled material into devices with interconnections to the macroscopic world. In this framework, we propose to study porphyrin molecules.
These molecules, which play an important role in biological processes such as photosynthesis and oxygen transport, are also particularly attractive building blocks for the manufacture of advanced electronic and optical devices due to their good conductivity, their interesting optical properties and their tendency to form ordered structures in the solid state. Our investigation will aim at understanding how they self-organize on various surfaces and how the molecular structure of individual porphyrin molecules and the morphology of the assembly influence the global electrical and optical properties of the structure.
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