NANOSTRUCTURE AND CHARACTERIZATION (NTM 801)
Basics and Scale of Nanotechnology: History,
nature and development of nanoscience. Scientific
revolutions. Time and length scale in structures.
Issues of scale in relation to nanotechnology.
Properties at nanoscale (optical, mechanical, electronic and magnetic). Classification of nanomaterials: Classification
based on dimensionality (1-D, 2-D, 3-D). Quantum Dots, wells and wires:
Carbon-based nano materials (buckyballs, nanotubes, graphene). Metal-based nano
materials (nanogold, nanosilver and metal oxides). Nanofluids. Nanocomposites.
Nanopolymers. Nanoglasses. Nano ceramics. Biological nanomaterials. Nanosynthesis/Fabrication of Nanostructures: Chemical Methods: Metal
Nanocrystals by Reduction. Solvothermal Synthesis. Photochemical Synthesis.
Sonochemical Routes. Physical vapour deposition
(PVD), chemical vapour deposition (CVD) and atomic layer deposition (ALD).
Superlattices/quantum wells. Physical Methods: Ball
Milling. Electrodeposition. Spray Pyrolysis. Flame Pyrolysis. DC/RF Magnetron
Sputtering. Molecular Beam Epitaxy (MBE). Nanofluid preparation methods: Sonification. Nanofabrication: Self-assembly.
Patterning and lithography. Molecular imprinting methodologies and applications. Photolithography and its
limitation-Electron-beam lithography (EBL) - Nanoimprint – Soft lithography
patterning. Important design factors at the nanoscale. Nucleation and
deposition of nanostructures. Functionalization of nanomaterials.
Lecturer: Chinyere Madu
ACEFUELS: No