15 Solar cell

15 Solar cell - Towards Third Generation Solar Cells Jia...

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Towards Third Generation Solar Cells Recommended Reading: Prog. Photovolt: Res. Appl. 9, 123-135, 2001 MRS Bulletin Vol. 30, Jan. 2005 Jia Zhu Prof. Yi Cui MRS Bulletin Vol. 32, Jan. 2007
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Source: US DOE The solar energy is 10,000 times of our consumption!
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Solar Radiation Spectrum
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Source: US DOE Electrical Energy Production Cost
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IIIb: devices with moderate efficiencies and very low costs IIIa: very-high-efficiency devices with novel mechanisms Third Generation Solar Cell Crystalline Si Thin film Organic ?
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Very-high-efficiency devices with novel mechanisms ! Third Generation Solar Cell
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Photovoltaic Solar Cell Jenny Nelson, The Physics of Solar Cells, 2003. •Reflection •Heat Loss •Recombination Loss •Transmission •Junction and Contact Loss recombination
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Single Junction Solar Cell •Heat Loss •Transmission Theoretical Efficiency Limit: 32%
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Multi-junction cells Grid p p p p p n n n ±± ±± p n p p n n ±± ±± p n p n ±± ±± Ge Substrate (0.67 eV) GaAs (1.42 eV)
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This note was uploaded on 06/05/2010 for the course MATSCI 316 taught by Professor Cui,y during the Winter '08 term at Stanford.

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15 Solar cell - Towards Third Generation Solar Cells Jia...

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