Course file PPY15204 Nanoscience and Nanomaterials Table of Contents

Transcription

1 Department Physics Nanotechnology : M.sc Physics Course file PPY15204 Table Contents Second Year MSc Physics ( Regulation) Detailed Lesson Plan UNIT-I: INTRODUCTION TO NANOTECHNOLOGY History Importance Nanotechnology-Opportunity at the nano scale-length time scale structures-difference between bulk nanoscale materials their - Properties at the nanoscale- Optical property- Magnetic property electronic property-size dependent behavior- Scalg- Mechanical properties Nano materials Chemical properties Nanoparticles. 1 History Nanotechnology 2 Importance Nanotechnology 3 Opportunity at the nano scale 4 Length time scale structures 5 Difference between bulk nanoscale materials To underst real time its a technologyrich, teractive skills modern

2 6 Significance bulk nanoscale materials 7 Optical property nanomaterilas 8 Magnetic Electronic property nanomaterilas Robert W. Kelsall, Ian W. Hamley Mark Geoghegan, Nanoscale Science Technology, John Wiley & Sons, Ltd., analysis terpretation formation 9 Size dependent behavior 10 Mechanical properties Nano materials 11 Chemical properties Nanoparticles 12 Quantum confement effect Nano materials Robert W. Kelsall, Ian W. Hamley Mark Geoghegan, Nanoscale Science Technology, John Wiley & Sons, Ltd., Robert W. Kelsall, Ian W. Hamley Mark Geoghegan, Nanoscale Science Technology, John Wiley & Sons, Ltd., 2005.

3 UNIT-II: CLASSES OF NANOMATERIALS Zero dimensional- One-dimensional two dimensional nanostructures Clusters metals semiconductors nanocomposites - Quantum dots- Nano wells- Nano ribbons Nano Wires- Carbon nanotubes- Sgle walled Multi walled CNTStructure- Synthesis- Properties- Functionalization - Fullerenes/Bucky Balls/ C60- Synthesis- Properties- functionalization Application. 13 Different form carbon different properties 14 Idea dimensionality nanomaterials 15 One-dimensional two dimensional nanostructures 16 Clusters metals semiconductors nanocomposites 17 Electrons confement, Energy levels quantum well 18 Change density state with dimensionalities 19 Clusters metals semiconductors Yong Zhou, Nova Publishers To underst real time its a technologyrich, teractive skills modern analysis terpretation formation 20 Concept quantum dots, Nano wells Nano ribbons APH Publishg

4 21 History first vention CNT 22 Sgle walled Multi walled CNT Structure 23 Properties foundation CNT; Functionalization CNT 24 Fullerenes C60 synthesis properties APH Publishg APH Publishg APH Publishg Yong Zhou, Nova Publishers Unit-III: SYNTHESIS OF NANO MATERIALS Top-down approach: Nanolithography- St lithography hard lithography, Physical Vapor deposition(pvd) - Chemical Vapor Deposition(CVD) - E beam lithography - Bottom-up approach: Sol-gel processg chemical methods - Self assembly - Laser Ablation - Sputterg - DC Magnetron Sputterg - Chemical synthesis nanoparticles Liquid Suspension - Use Surfactants matag the nanosize. 25 Top down bottom up methods for creatg nanostructures 26 Concept Nanolithography, Histoty 27 Defition Photolithography, Steps used Photolithography 28 Steps used St lithography To underst real time its a technology-

5 29 E beam lithography 30 Physical Vapor deposition(pvd) 31 Chemical Vapor Deposition(CVD) 32 Laser Ablation; DC Magnetron Sputterg 33 Nanomaterial synthesis by Sol-gel method APH Publishg APH Publishg 34 Self assembly process 35 Chemical synthesis nanoparticles Liquid Suspension 36 Use Surfactants matag the nanosize rich, teractive skills modern analysis terpretation formation Unit-IV: CHARACTERIZATION OF NANOMATERIALS Scanng Electron Microscope (SEM) - Transmission Electron Microscope (TEM), Atomic Force Microscope (AFM) - Comparg SEM, TEM AFM for different classes nanomaterials - Scanng Tunnelg Microscopy(STM) - Techniques Imagg properties -Types: Manipulatg atoms molecules with STM Scanng Tunnelg Spectroscopy Dip pen Nanolithography. 37 Scanng Electron Microscope (SEM) Charles P. Poole Jr Frank J. Owens, To underst

6 38 Transmission Electron Microscope (TEM) 39 TEM workg prciple 40 Atomic Force Microscope (AFM) 41 AFM image processg 42 Comparg SEM, TEM 43 SEM, TEM AFM for different classes nanomaterials 44 Scanng Tunnelg Microscopy (STM) 45 Techniques Imagg properties STM 46 Manipulatg atoms molecules with STM 47 Scanng Tunnelg Spectroscopy 48 Scanng Tunnelg Spectroscopy Dip pen Nanolithography Charles P. Poole Jr Frank J. Owens, APH Publishg Charles P. Poole Jr Frank J. Owens, Charles P. Poole Jr Frank J. Owens, real time its a technologyrich, teractive skills modern analysis terpretation formation

7 Unit-V: APPLICATIONS OF NANO MATERIALS Nanotechnology Energy systems Electronics Environment - Space Aviation- Textiles - Food & Agriculture - Automotive Industry - Solar Technology -Biotech Pharmaceutical drugs - Molecular Nanoelectronics Nanobots -Photonic crystals - NEMS(Nano Electro Mechanical Systems) based device -Nanosensors Devices. 49 Nanotechnology Energy systems 50 Application Nanotechnology Space Aviation- Textiles 51 Application Nanotechnology Food & Agriculture Charles P. Poole Jr Frank J. Owens, 52 Automotive Industry Charles P. Poole Jr Frank J. Owens, 53 Solar Technology APH Publishg 54 Biotech Pharmaceutical drugs 55 Molecular Nanoelectronics 56 Photonic crystals APH Publishg To underst real time its a technologyrich, teractive skills modern analysis terpretation formation

8 57 NEMS(Nano Electro Mechanical Systems) 58 NEMS based device for real application 59 Nanosensors Devices 60 Application Nanosensors Course Coordator HOD Department Physics Nanotechnology