Electrical and Optical properties of Nanomaterials — Winter 2020

Define: Band diagram in the vicinity of nanomaterial.

Explain Direct and Indirect band gap in the vicinity of E-Kdiagram.

Write down various applications associated with optical thin films.

What do mean by Plasmonic Nanomaterial?

Differentiate: Polar and Non-polar molecular.

Explain response of a pure resistor to an applied AC signal.

What do you mean by Polarization in Dielectric Material?

Write short not on Electrical-Transport Properties in 2D electron gas (2DEG) nanostructure.

Write a shot note on ac and dc conduction mechanism in ZnO nanorods and nanotubes.

Define : Quantum Dots.

Differentiate: Rayleigh scattering, Compton scattering and Photoelectric effect.

Explain : how to change photo response of Photo catalytic nanomaterial from UV light to visible light.

Define: Photonic Crystals and its colour emission

Write a short note on Surface Plasmon Resonance.

Write a shot note on Grain boundary and its types and shows its impact on different microstructures.

Define : oxidation and reduction.

Explain: Importance of Microstructure.

Write a short note on : Photo catalytic effect.

Define: Free radicals.

Explain: particle Size effect on optical properties of nanostructured materials.

Write a short note on operating and affecting Parameters of Photo catalysis.

Define: Homogeneous Photo catalysis.

Explain : Metallic nanoparticles and its optical properties.

Write a short note on photo catalytic activity of TiO2.