|Nano Structured Materials |
Introduction to Nanomaterials: Features of nanosystems, Characteristic length scales of materials and their properties, Density of states in 1-D, 2-D and 3-D bands, Variation of density of states and band gap with size of crystal.
Quantum Size Effect: Electron confinement in infinitely deep square well, Confinement in one dimensional well, Idea of quantum well structure, Formation of quantum well, Quantum dots and quantum wires.
Synthesis and Characterization on Nanoscale Materials: Cluster beam evaporation, Ion beam deposition chemical bath deposition with capping techniques and ball milling, Cluster assembly and mechanical attrition determination of particle size, Increase in width of XRD peaks of nanoparticles, Shift in photoluminescence peaks, Electron microscope, Raman microscopy and surface analysis.
Effect of Nanoscale on Properties: Fullerenes, Nanotubes and nanostructured carbon coatings, Nanostructured materials-nanoparticles, Nanomaterials nanocoatings and nanocomposites, Thin film chemical sensors-gas sensors, Vapour sensors and biosensors, Photonic crystals, Smart materials, Fuel and solar cells, Drug deliveries and optoelectronic devices.