Solids, Surfaces & Interfaces: Electronic structures from atoms to the solid state; crystalline and non-crystalline solids; surface modification reactions. Interfaces and interface structure. Chemical, electrochemical and biological interfaces. Interfacial reactions, adsorption, catalysis. Nanoscale structure formation/surface patterning. Capillary phenomena and molecular self-assembly. Catalytic, electrical, optical, and magnetic properties of nanomaterials. Basic quantum chemistry: orbitals; band structures, density of states; Nanomaterials and Interfaces: Tailored Interfaces and Switchable Surfaces; Nanocomposites; Sol-Gel Materials and Mesoporous Structures; Organic-Inorganic Hybrids; Copolymeric Membranes; Dendrimers and Polyhedral Oligomeric Silsesquioxane Nanostructures; Molecular Amplification; Core-Shell Materials; and Nanotube Devices. Nanocatalysts: Smart materials. Heterogenous nanostructures and composites – semiconductor nanocatalysts (TiO₂, ZnO) and doped semiconductors. Nanoparticles for water purification- Photocatalytic mechanism, general pathways and kinetics. Magnetic Nanoparticles, Nanoscale carbon for contaminant separation, Nanostructures for Molecular recognition (Quantum dots, Nanorods, Nanotubes). Molecular Encapsulation and its applications. Nanoporous zeolites. Self-assembled Nanoreactors