In semiconductors why we use only pentavalent or trivalent?, Chemistry

Penta valent element has one electron more than 4 electrons which could be used for conduction while the trivalent elements has 1 electron less , this can also be seen as a hole which could help in improving conduction.

 

Posted Date: 3/11/2013 12:19:19 AM | Location : United States





Because they provide hole and extra electron for the conduction of electricity.

Posted by | Posted Date: 3/11/2013 12:19:51 AM


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