M.Sc. DEGREE EXAMINATION, NOVEMBER 2017
Third Semester
Energy Science
PHYSICS AND CHEMISTRY OF NANOMATERIALS
(CBCS 2016 onwards)
Time 3 Hours Maximum 75 Marks
Part A (10 x 2 20)
Answer all questions.
1. Mention a property arising due to electron present in a
nanomaterial.
2. What are the concepts involved in nanomaterial?
3. What do you understand by simulation of molecular
clusters?
4. Mention examples for such molecular clusters.
5. What are fullerenes? How do they appear in structure?
6. Give a general scheme of metal oxide structure.
7. What are nanobots?
8. Give the meaning of nanoelectronics.
9. How do nanomaterials find use in catalysis?
10. Indicate the essential role of a sensor.
Sub. Code
540701
RW-899
2
Sp 6
Part B x 5 25)
Answer all questions, choosing either or
11. Give an account of crystal structure in materials.
Or
How does an energy band originate and its
consequence?
12. Mention a few properties of molecular clusters.
Or
How is an energy gap formed in a cluster?
13. Give an account of carbon nanotubes.
Or
Indicate the general structure and classification of
zeolite.
14. How does a nanomaterial function as a catalyst?
Or
Brief mention different sensors and their role.
15. What do you understand by molecular electrons of
nanomaterials?
Or
Mention the meaning of a quantum device.
Part C x 10 30)
Answer any three questions.
16. Describe the crystal structure, energy band and electron
related property of a material.
17. Discuss the preliminary aspects of lithography. Interpret
the role of confinement effects in materials.
RW-899
3
Sp 6
18. Give a comparative analysis of metal oxide structure,
metal polymer structure and oxide polymer structure.
19. Discuss the principle involved in a quantum device such
as quantum well. What is a photoelectrochemical cell?
Give an example. Mention its use.
20. Explain the fundamental aspects and role of
microelectromechanical and nanoelectromechanical
systems.
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