Gold in class

Gold in class

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Storyboard Text

  • Ok students, today we will continue to talk about how nanogold change according to their reaction 
  • Teacher, how do we know when gold is actually having a specific size?
  • I'm glad you ask. When gold is a nanosphere of 40 nanometers, it has a royal blue color
  • When having nanospheres of 50 nanometers, the color will turn green
  • And when forming nanoprisms with 100 nanometers, color turns to be an intense red
  • And there are plenty of usages for this material, that will be seen next class 
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