Transcript Graphene Semiconductors - The College of Engineering at

Graphene Semiconductors
David Brown
Student
ECE Department
University of Utah
October 29, 2009
Overview
• What is graphene?
• Advantages of graphene
• Problems
Graphene
• Sheet of pure carbon rings one atom thick
• Made by peeling layers from graphite
[1]
Advantages of Graphene
•
•
•
•
Conducts electrons 100 times easier than silicon
Two dimensional
Easier to control electron flow
Allows for smaller devices
[2]
Problems
• Not easily produced
• Does not switch like other semiconductors
• Just beginning to be studied
[3]
Possible Uses
• Coating for LCD screens
• Computer chips
• Transistors
• Capacitors
Contact Information
David Brown
Student
ECE Department
University of Utah
[email protected]
References:
[1], [2] http://discovermagazine.com/2009/jun/04-life-after-silicon/?searchterm=graphene, accessed on
09/07/2009.
[3] http://blogs.discovermagazine.com/80beats/2009/04/16/unzip-a-carbon-nanotube- get-ananoribbon-revolutionize-electronics/, accessed on 09/07/2009.