GCSE Chemistry Nanomaterials - a few notes

here are a few notes on nanomaterials, they are not a major part of the syllabus so i have just included some basics

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Nanomaterials

  • Nanotechnology is the creation and use of materials or devices at extremely small scales.
  • These materials or devices fall in the range of 1 to 100 nanometers (nm).
  • One nm is equal to one-billionth of a meter (.000000001 m), which is about 50,000 times smaller than the diameter of a human hair.
  • Scientists refer to the dimensional range of 1 to 100 nm as the nanoscale, and materials at this scale are called nanocrystals or nanomaterials.
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Nanomaterials

  • The nanoscale is unique because nothing solid can be made any smaller.
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  • It is also unique because many of the mechanisms of the biological and physical world operate on length scales from 0.1 to 100 nm.
  • At these dimensions materials exhibit different physical properties; thus scientists expect that many novel effects at the nanoscale will be discovered and used for breakthrough technologies.
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Comments

Gemz

Thanks :)

tom

cheers :)

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