Materials and Semiconductor Nanocrystals (E.G. Quantum Dots and Wires) Heterostrucures and Self-Assmebly of Complex Structures. Preparation Methods of Nanocrystals (Colloidal Synthesis, Spray and Evaporation). Structural and Chemical Characterization Methods (Sem, Tem, Afm, Xrd). Characterization Methods of Optical and Optoelectronic Properties of Nanocrystals. Physical Properties: Density of States, Excitons, Exciton-Phonon Interation, Plasmons, Relaxation Processes (Radiative and Non-Radiative, Auger). Theoretical Models for Electronic Band Structure and Optical Properties. Devices: Lasers, Diodes, Detectors, Single Electron Transistors, Spin - Based Switching.