Carbon Nanotube (cnt): Asutosh Nayak Roll No.: Cse201510309

National Institute of Science & Technology

B.TECH TECHNICAL SEMINAR PRESENTATION 2019

CARBON NANOTUBE (CNT) Seminar ID-3770

By Asutosh Nayak

Roll no.: CSE201510309 Under the guidance of Dr. Shrabani Mahata

BY ASUTOSH NAYAK (CSE201510309)

[1]

National Institute of Science & Technology

B.TECH TECHNICAL SEMINAR PRESENTATION 2019

PRESENTATION OUTLINE 1. 2. 3. 4. 5. 6. 7.

Introduction Types of carbon Nano tubes Fabrication methods Properties Advantages & Disadvantages Application Conclusion

BY ASUTOSH NAYAK (CSE201510309)

[2]

National Institute of Science & Technology

B.TECH TECHNICAL SEMINAR PRESENTATION 2019

INTRODUCTION 1.

2. 3.

Carbon nanotube is a tube-shaped material, made of carbon , having diameter measuring on nanometer scale. Formed by the graphite sheet ( i.e. hexagonal mesh). Nanotube is members of fullerene structural family.

Graphite sheet BY ASUTOSH NAYAK (CSE201510309)

[3]

National Institute of Science & Technology

B.TECH TECHNICAL SEMINAR PRESENTATION 2019

TYPES OFCNT The CNT’s are of Twotypes:1. Single Walled Nanotubes (SWNT) 2. Multi walled Nanotubes (MWNT)

BY ASUTOSH NAYAK (CSE201510309)

[4]

National Institute of Science & Technology

B.TECH TECHNICAL SEMINAR PRESENTATION 2019

FABRICATIONS

Electric arc discharge

BY ASUTOSH NAYAK (CSE201510309)

Chemical vapor deposition

[5]

National Institute of Science & Technology

B.TECH TECHNICAL SEMINAR PRESENTATION 2018

PROPERTIES • Mechanical: Highly elastic, exhibit large strength in tension • Electrical: Low resistivity, the resistance decreases with increasing magnetic field • Thermal: Thermal conductivity is more than twice that of diamond • Physical: Very high strength to weight ratio, low density • Chemical: Chemically more inert compared to other forms of carbon

BY ASUTOSH NAYAK (CSE201510309)

[6]

National Institute of Science & Technology

B.TECH TECHNICAL SEMINAR PRESENTATION 2019

CarbonNanotubes Advantages • Extremely small and lightweight • many can be made with only a small amount of material • Temperature resistant

Disadvantages • Difficult to work with. • Relatively expensive to produce the nanotubes • Expensive to implement this new technology

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National Institute of Science & Technology

B.TECH TECHNICAL SEMINAR PRESENTATION 2019

APPLICATIONS • • • •

Tips for atomic force microscope probes. Light weight shield for electromagnetic radiation. Field effect transistors for build faster processors . Used in making Auto mobile, Aircraft and Rocket parts.

BY ASUTOSH NAYAK (CSE201510309)

[8]

National Institute of Science & Technology

B.TECH TECHNICAL SEMINAR PRESENTATION 2019

CONCLUSION The mechanical properties and unique properties of Carbon nanotube make them both interesting as well as potentially used in future technologies.

BY ASUTOSH NAYAK (CSE201510309)

[9]

National Institute of Science & Technology

B.TECH TECHNICAL SEMINAR PRESENTATION 2018

THANK YOU

BY ASUTOSH NAYAK (CSE201510309)

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