Author: thequestforum

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Why it is not possible to measure the built-in voltage of a PN junction using a voltmeter?

  The built-in voltage of a PN junction can be considered as the contact potential between two dissimilar metals. When the leads of a voltmeter are contacted to either side of a PN junction, the contact potential between the voltmeter lead and P-type material, contact potential of the PN...

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Next Generation Solar Cells _ Lowering Costs, Improving Performance and Scale-MIT PV group

5/05/2009 6:00 PM MuseumTonio Buonassisi, Assistant Professor, Laboratory for Photovoltaic ResearchDescription: According to Tonio Buonassisi, we’re “on the cusp” of achieving a competitive technology for capturing the limitless energy of the sun. Buonassisi, in conversation with an MIT Museum audience, describes how, with the work of MIT and...