Jongs term_final

Jongs term_final - Photovoltaic Solar Cells ECEN 370-502...

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Photovoltaic Solar Cells ECEN 370-502 Final Term Paper May 10, 2010 Prepared By: Binod Adhikari (919005213) Jong Rak Hyun (120004308)
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Table of Content Section page 1.0 Abstract………………………. .. ………………………………………. .….1 2.0 Photovoltaic Technology 1. ..……………. ….... 2 2. Solar Cell Mechanism ………………. .…………. .. ……………. ....2 3. Different types of solar cells……………………. ..…….…. .. ……. ....4 4. Challenge for Low cost and high efficiency Photovoltaic solar cells. .7 5. Conclusion……………………………………………………. ... ……8 Reference…………………………………………………………………………. ..9
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LISTS OF FIGURES Figure Pages Figure1. Operating of solar cell………………………………. .……………. ..Page3 Figure2. Thin film solar panel……………………………………………. .….Page3 ..... Page4 Figure4. Amorphous silicon cell…………. ..………………………………….Page5 Figure5. CIGS cell…………………………………………………………….Page5
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<Photovoltaic Technology> Abstract : Photovoltaics (PVs) are arrays of cells containing a solar photovoltaic material that converts solar radiation into direct current electricity . Driven by advances in technology and increases in manufacturing scale and sophistication, the cost of photovoltaics has declined steadily since the first solar cells were manufactured. That is why most advanced countries are trying to find new materials to use. Due to the growing demand for renewable energy sources, the manufacture of solar cells and photovoltaic arrays has advanced dramatically in recent years. These devices are currently fabricated by using a variety of materials, among which the single-crystalline Si is most widely used. The single-crystalline Si solar cells, however, have inherent drawbacks and limitations, in which substantial cost reductions are required for large scale applications and difficulties, remain in new product development such as flexible solar cells. An alternative approach to overcome these limits of crystalline Si solar cells is to develop thin film solar cells.
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World demand for energy is projected to more than double by 2050 and to more than triple by end of the century. Photovoltaic production has been doubling every 2 years, increasing by an average of 48 percent each year since 2002, making it the world’s fastest-growing energy technology. To meet the energy need mostly, clean energy which does not have inverse impact on environment and living beings is the daunting challenge for today’s science and technology. Alternative energy using photovoltaic solar cells are clean source of energy that is likely to
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Jongs term_final - Photovoltaic Solar Cells ECEN 370-502...

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