.Nanotechnology-II
Unit-I
Nanoscale Properties–I: Magnetism: Magnetic Moment in clustersor Nanoparticles, Magnetic Order, coercivity, Magnetocrystalline Anisotropy, thermal activation and Superparamagneticeffects.
Electronics and Optoelectronics: Ǫuantum Confinement of Super lattices and Ǫuantum
Wells, Doping of a Nanoparticle, Excitonic Binding and Recombination Energies, Capacitance in a Nanoparticle.
Unit-II
Nanoscale properties – Il: Diffusion in Nanocrystalline Materials: Diffusion In Grain Boundaries Of Metals, Nanocrystalline Ceramics, Correlation Between Diffusion and Crystallite Growth, Other properties: brief overview of optical properties, mechanical properties including superplasticity phenomena, reactivity of nanoparticles.
Unit-III
Characterization Methods: X-ray diffraction: Debye-Scherer formula, dislocation density, micro strain. Synchrotron Radiation: Principle and Applications. Dynamic Light Scattering (DLS), Electron microscopes: Scanning Electron Microscope (SEM), Transmission Electron Microscope (TEM), Atomic Force Microscope (AFM), Scanning Tunneling Microscope (STM), X-ray Photoelectron Spectroscopy (XPS) — Working Principle, Instrumentation and Applications.
Unit-IV
Nanotechnology in conservation and storage: Nanotechnology for sustainable energy: Energy conversion process, indirect and direct energy conversion, Materials for light emitting diodes, batteries, advanced turbines, catalytic reactors, capacitors, fuel cells. Energy challenges, development and implementation of renewable energy technologies, nanotechnology-enabled renewable energy technologies, Energy transport, conversion and storage: Nano, micro, and poly-crystalline and amorphous Si for solar cells, Nano- micro Si composite structure, various techniques of Si deposition.
