Nanomaterials: Quantum Dots, Nanowires and Nanotubes

By Timothy D. Sands

Purdue University

Published on

Abstract

What is a quantum dot? What is a nanowire? What is a nanotube? Why are they interesting and what are their potential applications? How are they made? This presentation is intended to begin to answer these questions while introducing some fundamental concepts such as wave-particle duality, quantum confinement, the electronic structure of solids, and the relationship between size and properties in nanomaterials.

A more recent version of this talk titled "Nanotubes and Nanowires: One-dimensional Materials" is available.

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Cite this work

Researchers should cite this work as follows:

  • Timothy D. Sands (2005), "Nanomaterials: Quantum Dots, Nanowires and Nanotubes," https://nanohub.org/resources/376.

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Time

Location

Purdue University, West Lafayette, IN

Tags

Nanomaterials: Quantum Dots, Nanowires and Nanotubes
by: Timothy D. Sands
  • Nanomaterials - Quantum Dots, Nanowires and Nanotubes 1. Nanomaterials - Quantum Dots, … 0
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  • Questions… 2. Questions… 136.20286953620288
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  • Q: What is a quantum dot? 3. Q: What is a quantum dot? 251.51818485151819
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  • Q: What is a nanowire? 4. Q: What is a nanowire? 391.991991991992
    00:00/00:00
  • Q: What is a nanotube? 5. Q: What is a nanotube? 618.75208541875213
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  • Q: How big is a nanometer? 6. Q: How big is a nanometer? 903.50350350350357
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  • nanoscale 7. nanoscale 915.78244911578247
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  • Q: What makes nanostructured materials (scientifically) interesting? 8. Q: What makes nanostructured m… 927.06039372706039
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  • Electronic and Optical Properties 9. Electronic and Optical Propert… 1324.3576910243578
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  • Electrons in solids 10. Electrons in solids 1339.6396396396397
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  • Electrons in solids 11. Electrons in solids 1471.7717717717719
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  • Electrons in solids 12. Electrons in solids 1765.5989322655989
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  • Electrons in solids 13. Electrons in solids 1809.8431765098433
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  • Electrons in nanostructured materials 14. Electrons in nanostructured ma… 1888.0213546880214
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  • Electrons in nanostructured materials 15. Electrons in nanostructured ma… 1954.6880213546881
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  • Electrons in nanostructured materials 16. Electrons in nanostructured ma… 2149.3827160493829
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  • From vibrating strings to electrons 17. From vibrating strings to elec… 2313.0797464130796
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  • Optical properties 18. Optical properties 2367.3006339673007
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  • Example: Quantum Dots 19. Example: Quantum Dots 2469.1024357691026
    00:00/00:00
  • …but what is the wavefunction? 20. …but what is the wavefunctio… 2567.2672672672675
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  • How does quantum confinement work in a nanowire? 21. How does quantum confinement w… 2883.2832832832833
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  • The carbon nanotube ….neither diamond nor graphite 22. The carbon nanotube ….neithe… 2932.5325325325325
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  • Applications of nanostructured materials 23. Applications of nanostructured… 3160.6940273606942
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  • Don't forget Nanopants… 24. Don't forget Nanopants… 3207.540874207541
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  • …or nano-tennis racquets… 25. …or nano-tennis racquets… 3217.5508842175509
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  • Application to nanoelectronics 26. Application to nanoelectronics 3246.27961294628
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  • Four decades of Moore's Law 27. Four decades of Moore's Law 3252.0854187520854
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  • Si is already in the 28. Si is already in the "nano" re… 3266.5999332666
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  • How far can we go with silicon? 29. How far can we go with silicon… 3306.74007340674
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  • Future Nanotechnology 30. Future Nanotechnology 3322.5558892225558
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  • How are nanostructured materials made? 31. How are nanostructured materia… 3355.1885218551888
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  • One approach: catalysis 32. One approach: catalysis 3419.1191191191192
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  • Questions and Answers 33. Questions and Answers 3569.86986986987
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  • Questions and Answers 34. Questions and Answers 3767.9012345679012
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  • Questions and Answers 35. Questions and Answers 4262.6960293626962
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  • Questions and Answers 36. Questions and Answers 5045.7123790457126
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  • Questions and Answers 37. Questions and Answers 5747.0136803470141
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  • Questions and Answers 38. Questions and Answers 6468.7687687687694
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