Condensed-Matter Physics & Materials Science Seminar

"High-Efficiency Photovoltaic Solar-Energy Conversion"

Presented by Michael Levy, Institute of Technology, Georgia

Tuesday, October 4, 2011, 11:00 am — Bldg. 735 conf room B

Solar-energy conversion is of interest because of its capability to supply growing global-energy demand. In this seminar, Dr. Levy describes the basic operation of a solar cell with an emphasis on high-efficiency photovoltaics.
Next, Dr. Levy reviews the central theory and major experimental achievement of work on the intermediate-band solar cell. The intermediate-band solar cell attracts attention because its single p-i-n junction has a theoretical limiting efficiency comparable to that of three conventional p-n junction solar cells operating in tandem. Finally, Dr. Levy offers his experimental results of nanostructured prototypes characterized by deep-level transient spectroscopy and emission/absorption spectroscopy.

Hosted by: Yimei Zhu

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