Nano-Synthesis and Fabrication

Paper Code: 
NST232
Credits: 
4
Contact Hours: 
60.00
Max. Marks: 
100.00
Objective: 

This course will enable the students – 

1.     To learn about the fundamentals of synthesis of nanomaterials.

2.     To develop an understanding of the methods for the synthesis of nanomaterials.

 

Course outcomes (COs):

Course

Learning outcomes

(at course level)

Learning and teaching strategies

Assessment

Strategies

Course 

Code

Course Title

NST 232

 

Nano-Synthesis and Fabrication

(Theory)

 

 

The students will be able to:

 

CO17: Describe the approaches of nanomaterial synthesis and homogeneous and heterogeneous nucleation.

 

CO18: Explain the synthesis of nanomaterials using Physical, chemical and biological methods.

 

CO19: Describe the methods for the synthesis of metal and metal oxides nanoparticles. 

Approach in teaching:

Interactive Lectures, Discussion, Tutorials, , Demonstration, Problem Solving in tutorials

 

 

Learning activities for the students:

Self- learning assignments, Effective questions,  Seminar presentation, Solving numerical.

Additional learning through online videos.

Class test, Semester end examinations, Quiz, Solving problems, Assignments, Presentations

 

12.00
Unit I: 
Basics in Materials Synthesis

Types of matter, Crystalline and Amorphous solids, Nanocrystals: Hard sphere two dimension model, Grain and Grain boundary volume ratio, Dimensional Classifications,  Synthesis: Top-down and Bottom-up approach, Temperature effects, Grain Growth, Grain boundary segregation and pinning.

12.00
Unit II: 
Physical Synthesis Methods

Based on Resistive heating: Flash evaporation, Electron beam   evaporation, Pulsed Laser ablation evaporation, Arc evaporation & Radio Frequency (RF) heating, Based on sputtering process: Glow discharge sputtering, Triode sputtering, RF sputtering, Magnetron sputtering, Face target sputtering, Ion beam sputtering, A.C sputtering.

8.00
Unit III: 
Chemical Synthesis Methods-I

Combustion: Chemical etching of silicon, Basic concepts of Chemical-Mechanical polishing, Anodization and Electro polishing: Chemical reactions of electrodeposition of aluminum.

14.00
Unit IV: 
Chemical Synthesis Methods-II

Chemical Routes for Synthesis of Nanomaterials: Chemical precipitation and coprecipitation; Metal nanocrystals by reduction, Sol-gel synthesis; Microemulsions or reverse micelles, myle formation; Solvothermal synthesis, Microwave synthesis; hydrothermal synthesis, chemical Bath methods.

14.00
Unit V: 
Mechanical Synthesis Methods

High-energy ball mill, Types of balls: WC- ZrO2 and Stainless steel Types of ball mills: Planetary- Attritor- Tumbler and Uniball, Milling parameters: Ball-to-Powder ratio- Speed- Medium and Atmosphere, Mechanochemical reactions, Lubrication Method.

Essential Readings: 

·       Springer Handbook of Nanotechnology- Ed. by B. Bhushan, Springer-Verlag (2004) 

·       Vacuum Technology, A. Roth, North- Holland Pub., 2nd Edition (1982) 

·       The Chemistry of Nanomaterials: Synthesis, Properties and Applications, C.N.R. Rao, A.  

Muller, A. K. Cheetham (Eds), Wiley-VCH Verlag (2004) 

·       B.S. Murty and S. Ranganathan, International Materials Reviews (1998) Vol. 43(3), 101.

·       Introduction to nanoscience and nanotechnology, CRC Press, Tylor and Francis Group, Boca

Raton, G. L. Hornyak, H. F. Tibbals, J. Dutta and J J. Moore. 

Academic Year: 
2023-2024
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