can semiductor generate electricity ?

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#1 21659631 28 Aug 2011 12:40

LaCharles James LaCharles James

Anonymous

Post #1
21659631 28 Aug 2011 12:40

can a semiconductor generate electricity due gain in heat energy ?
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#2 21659632 28 Aug 2011 21:22

Cody Miller Cody Miller

Anonymous

Post #2
21659632 28 Aug 2011 21:22

The Peltier effect can be used to generate electricity with heat. In silcon they typically use a combination of N-type and P-type material to create a peltier device.

Check out Bob's "experiment.":http://www.ambientsensors.com/2011/03/energy-scavenging-with-the-ltc3108.html He uses a pelier device to generate electricity.
#3 21659633 29 Aug 2011 05:04

Dorin Dragan Dorin Dragan

Anonymous

Post #3
21659633 29 Aug 2011 05:04

In short, yes, it's called the Peltier-Seebeck effect. I'm guessing the effect in semiconductors is similar to the one in thermocouples: two joints of the 2 materials (metals for classic thermocouples) at different temperatures generate electricity through the 2 materials.
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