Page 60 - CatalogNEP-PS

 they will gain knowledge about quantum confinement, tunneling of a particle through a
potential barrier,
 Will get knowledge about the different Top-down and bottom –up approach for synthesis
of nanomaterials.
 Will get to know about different properties of nanomaterials
 Will understand about special carbons and application of carbon nanotubes.
 Will get to about the application of nanotechnology in various fields.

THEORY (45 Hours)

UNIT 1 (15 Hours)
Introduction of nano, History of nano- materials (Michael faraday and divided metals, story of
Damascus sword, Feynman‘s Lecture). How nanoworld different from world around us? Matter
Waves, Heisenberg‘s uncertainty principle, Electron confinement
Quantum confined systems: Quantum confinement and its consequences, quantum wells, quantum
wires and quantum dots and artificial atoms. Electronic structure from bulk to quantum dot.
Electron states in direct and indirect gap semiconductors nanocrystals. Confinement in disordered
and amorphous systems.
Carbon Nanomaterials: Special Carbons: Carbon nanotube, fullernece, Type of CNT:
SWNT(single wall nano tube), Multi wall nano tubles. 2D nano material, Graphite and Graphene,
ordered porous materials using micelles as tempelates, self assembled nanomaterials, core sell
particles
Bulk Nanostructured Materials: Solid Disordered Nanostructures: Methods of synthesis, Failure
Mechanism of Conventional Grain-Sized Materials, Mechanical Properties, Nanostructured
Multilayers, Electrical Properties, Other properties, Metal Nanocluster Composite Glasses, Porous
Silicon Nanostructure Crystals: Natural Nanocrystals, Computational Prediction of Cluster
Lattices, Arrays of Nanoperticles in Zeolities, Crystals of Metal Nanoparticles, Nanoparticle
Lattices in Colloidal Suspensions, Photonic Crystals
UNIT 2 (15 Hours)

Nanostructures Ferromagnetism: Basic of ferromagnetism, Effect of Bulk nanostructuring of
Magnetic properties, Dynamics of nanomagnets, Nanopore Containment of magnetic particles,
Nanocarbon ferromagnets, Giant and colossal Magnetoresistance, Ferrofluids Quantum Wells,
Wires, and Dots Introduction, Preparation of Quantum Nanostructures, Size and Dimensionality
effects: size effect, conduction electrons and dimensionality, Fermi gas and Density of States,
Potential wells. Partial confinement, properties dependent and density of states.
Synthesis of Naomaterials-I (physical methods):
Introduction, Mechanical methods, methods based on evaporation, sputter deposition, chemical
vapour deposition, electric arc deposition, ion beam techniques (ion implanataion), Molecular
beam epitaxy (MBE)
Synthesis of Naomaterials-I (Chemical methods):
Introduction, Colloids and Collides in solutions, Growth of Nanoparticles, Synthesis of Metal
Nanoparticles by Collodal Route, Synthesis of semiconductor nanoparticles by colloidal route,
Langmuir-Blodgett (L-B) methods, microemulsions, sol-gel method

UNIT 3 (15 Hours)
Dielectric properties: Coulomb interaction in nanostructures. Concept of dielectric constant for
nanostructures and charging of nanostructure. Quasi-particles and excitons: Excitons in direct and
indirect band gap semiconductor nanocrystals. Quantitative treatment of quasiparticles and
excitons. Charging effects.
Optical properties: Optical properties and radiative processes: General formulation absorption,
emission and luminescence; Optical properties of heterostructures and nanostructures. Carrier

45