Transcript Why Nanoscience is Important (PowerPoint)

1000-30 BC
Stone Age
Cooking
Construction
2000 BC
Copper &
Bronze Age
Pottery
Jewelry
Hunting
1000 BC
20th Century
Periodic
Table
Iron & (1869)
Silicon Age
Steel Age
1st transistor
Transportation
21st Century
Nanomaterials Age
Lite & strong
1st integ circuit
LED lights
1st IC computer
coating
Manufacturing
Tools
Armor
iPad
Hard drive
Agricultural Revolution
Industrial Revolution
Information Revolution
Nanotech Revolution
Why is nanoscience important?
When is Gold not Gold?
12 nm Gold particles
looks Red!
But not a single atom!
A spherical
particle that
has a radius
of about 8
atoms is a
nanoparticle
2 nanometers
Why this Change in Behavior?
New Rules When We Go Very
Small
Easy to Cause Flow
If it’s Small it is Difficult
to Cause Flow
?
Even More Than Size = New Behavior!
We can form Molecules or Chains or Solids
made of Quantum Dots
200nm
But this is just the beginning!
The biggest treasures
are yet to come
We will make
materials that
do not exists
today anywhere
Material A
Material B
Material A
Material B
Arkansas is #1 in Supplying
Nanoscale Structures