Review of basic notions of general and organic chemistry with reference to the chemistry of carbon in organic compounds and conjugated systems. Molecular analysis of conjugated organic materials by using spectroscopic techniques. Basic notions of electron spin resonance spectroscopy. Charge transfer complexes and with p donor ligands: bond formation and optical and magnetic properties. Differences between organic and inorganic semiconductors. Charge carriers and charge transport mechanisms of molecular solids based on "small molecules" and conductive polymers: band model, hopping model and MTR model. Mobility in organic semiconductors: effect of morphology and temperature. Examples of organic materials used in molecular electronics. Methods of synthesis, deposition, characterization and processing of molecular materials for electronic and optoelectronic devices. Functional properties of the constituent materials for OLED, OTFT and solar cells. Basic notions about the systems used for molecular-scale devices.
The main objective of the course is to deepen the concepts of the chemistry of conjugated organic materials for a critical understanding of their properties and functionality in the field of application of molecular electronics. The specific objectives concern the acquisition of knowledge of the molecular structure of these materials. The acquisition of knowledge of the correlation between chemical structure, reactivity, optical properties and charge transport of these systems. The acquisition of knowledge of the characterization strategies as well as the synthesis and preparation of these materials in view of their technology transfer into consumer optoelectronics and electronics devices with a low environmental impact.
KNOWLEDGE AND UNDERSTANDING:
To know the correlations between chemical and electronic structure of conjugated organic materials and understand their connection with their properties in terms of photo- and electro-activity.
Understanding the chemical reactivity of conjugated organic materials and understanding their relative preparation and characterization methods.
APPLYING KNOWLEDGE AND UNDERSTANDING:
Knowing how to use the theoretical and practical knowledge acquired on conjugated organic materials to model, prepare and characterize innovative molecular materials both at micro- and nano-scale.
Identify the processing strategies in terms of design, characterization, preparation and treatment of molecular materials according to the context of study and application. Critically evaluate the methodological approaches suggested by the literature to develop a processing protocol of the molecular material suitable for the solution of specific problems. Evaluate the logical consistency of the proposed methodology, both from a theoretical and an experimental point of you. Knowing how to recognize possible errors through a critical analysis of the applied method.
Knowing how to communicate the knowledge learned in the field of molecular materials and the characteristics of their applications by using an appropriate terminology. Knowing how to interact with experts in the field of chemistry, physics and engineering and to interpret and complement the different visions of the various disciplines.
To develop a capacity to learn about the topics dealt with during the course, both through the consultation of books and scientific publications, and of databases and other information online, which will be necessary both to undertake subsequent studies with a critical approach and a high degree of autonomy, that to readily fit into multidisciplinary cultural and work fields.