1 / 14

Nanotechnology R&D impacts many industries

More Discussion on Nanotechnology Applications. Nanotechnology R&D impacts many industries. Electronics Materials Health/Biotech Chemical Environmental Energy Aerospace Automotive Security Forest products Instrumentation.

Audrey
Download Presentation

Nanotechnology R&D impacts many industries

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. More Discussion on Nanotechnology Applications Nanotechnology R&D impacts many industries • Electronics • Materials • Health/Biotech • Chemical • Environmental • Energy • Aerospace • Automotive • Security • Forest products • Instrumentation

  2. Making Small SmallerAn Example: Electronics-Microprocessors microscale nanoscale macroscale ibm.com

  3. Electronics Keep On Getting Better Moore's "Law": Number of Transistors per Microprocessor Chip intel.com

  4. Specialized Nano-Coatings Self-cleaning surfaces - like a Lotus leaf (ultrahydrophobic) Inframat hardened coatings for Navy high-wear parts Biocompatible coatings for long lasting orthopedic joints

  5. Nano for Regenerative Medicine

  6. Super Adhesives Adhesive force of a single gecko foot-hair Nature 405, 681-685 (8 June 2000) Microfabricated Adhesive Mimicking Gecko Foot-Hair Nature Materials2, 461-463 (2003)

  7. Solar Cells and Integration of Nanotechnology • Organic/Inorganic solar cells • Silicon solar cells are most common and efficient right now. • Reflection of incoming light is a big natural limitation for efficiency. Evergreen Solar, Inc. Marlboro, MA Konarka

  8. REFLECTION! Anti-reflection coating Typical P-N Junction Silicon Solar Cell Structure Sunlight Top side metallization grid 0.5 µm Average phosphorus~1018cm-3 n+ emitter p base ~100-300 µm Boron~1016cm-3 Optional p+ back surface diffusion Back side metallization

  9. Anti-Reflection Conditions n0 n1 n2 Incident wave Transmitted wave R1 R2

  10. Pattern Transfer by Etching (Tunable Anti-Reflective Coating) J. Vac. Sci. Technol. B 20.6., Nov. Dec 2002 Can work as an anti-reflective coating! Moth Eye UMASS NNIN.ORG

  11. Other Nano-Solar Cells Nano solar cells mixed in plastic could be painted on buses, roofs, and clothing! ] 200 nm Nano solar cell: Inorganic nanorods embedded in semiconducting polymer, sandwiched between two electrodes Source: http://www.berkeley.edu/news/media/releases/2002/03/28_solar.html

  12. Flat Panel Displays, Colorants, Smart Papers…(Photonic Crystals) Reflection from butterfly wings and beetle’s exocuticle 2 April 2007 / Vol. 15, No. 7 / OPTICS EXPRESS 4351 PHYSICAL REVIEW E 74, 021922 2006

  13. Disease Detection (Using Quantum Dots) Nanogold Gold Color ? Quantum dots glow in UV light • Injected in mice, collect in tumors • Could locate as few as 10 to 100 cancer cells Quantum Dots: Nanometer-sized crystals that contain free electrons and emit photons when submitted to UV light Early tumor detection, studied in mice Sources: http://vortex.tn.tudelft.nl/grkouwen/qdotsite.html http://www.whitaker.org/news/nie2.html

  14. Some resources on nano applications The Woodrow Wilson Center consumer product inventory http://www.nanotechproject.org/index.php?id=44&action=intro The Nano 50 awards http://www.nanotechbriefs.com/nano50_winners.html Small Times magazine http://www.smalltimes.com/

More Related