1. MEEN 3344 Materials Science
Black Silicon
MEEN 3344 Materials Science
Luis Alfonso Medeles

2. Black Silicon Silicon: Dark grey Metalloid.
2nd Most abundant element on Earth.
Used to build semiconductors.

3. Black Silicon Discovery of black Silicon:
In Harvard on 1999 by accident.
Students scraped silicon with laser. It turned black.
Wouldn’t let any light out.
Efficient electron emitter in an electric field.

4. Black Silicon Applications:
Solar Cells- More effective absorption of sun’s energy
TV monitors- Ultra thin monitors
Satellites- Black silicon field emitters to steer small satellites.
Telecommunication along fiber optic cables.

5. Black Silicon
Disadvantages:
Still in lab phase.

6. Black Silicon References: