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Thin Film Solar Cell

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Thin Film Solar Cell
Abstract:
Solar energy is quite simply the energy produced directly from the sun and collected elsewhere, namely the Earth. Photovoltaic technology directly converts solar energy into electricity. Photovoltaic thin film solar cells are easy to handle , inexpensive and also easy to use. Thin film panel is flexible and can tolerate a bullet hole without failing and can greatly increase the surface area and the absorption coefficient needed to generate electricity. This paper will discuss the advantages and disadvantages of the thin- film solar cell and also describe its application and how its work.
Introduction:
The solar cell is the latest technology around the world. The solar cell is also called a renewable energy source, because the capture the sunlight and convert it into the electrical energy. There are different types of solar cells, but the most important one is a thin- film solar cell. It is cost effective and its efficiency is greater than the other types of solar cells like thin film dye sanitized solar cell . Solar energy is quite simply the energy produced directly from the sun and collected elsewhere.
All solar cells are made of silicon. Thin- Film Photovoltaic technology directly converts solar energy into electricity. Solar cells are made out of semiconducting material, usually silicon. The process of making a solar cell begins with taking a slice of highly purified silicon crystal, and then processing it through several stages involving gradual heating and cooling. Solar cells are based on semiconductor physics -- they are essentially just a P-N junction photo-diodes with a very large light-sensitive area. Another common material for thin- film cells include Gallium Aarsenide (GaAs), Copper Indium Gallium Selenide, and gallium Phosphide.
The most common types of photovoltaic cells are single-junction, multi-junction, and thin-film. A thin film panel is flexible and can tolerate a bullet hole without failing and can greatly increase the



References: 1. Harris, William. "How Thin-film Solar Cells Work" 07 April 2008. HowStuffWorks.com. <http://science.howstuffworks.com/environmental/green-science/thin-film-solar-cell.htm> [22 march 2013]. 2. Mathias Aarre Mæhlum. “Which Solar Panel Types is Best” Internet: http://energyinformative.org/best-solar-panel-monocrystalline-polycrystalline-thin-film/,[22 march 2013]. 3. Mat Dirjish. “What’s The Difference Between Thin-Film And Crystalline –Silicon Solar Panels”. Internet:< http://electronicdesign.com/power-sources/what-s-difference-between-thin-film-and-crystalline-silicon-solar-panels>, 16 May 2012, [22 march 2013]. 4. SolarTown Learning. “Advantages Make Thin Film Solar Panels Shine” Internet:< http://www.solartown.com/learning/solar-panels/advantages-make-thin-film-solar-panels-shine/>, 22 October 2012, [22 march 2013]. 5. Empa. “Thin film solar cells: New world record for solar cell efficiency.” Internet<http://www.sciencedaily.com/releases/2013/01/130118064733.html>,18 January 2013, [22 march 2013]. 6. R. Dhere, T. Gessert, J. Zhou, S. Asher, J. Pankow, and H. Moutinho.(2003 April 21). Investigation of CdZnTe forThin-Film Tandem Solar Cell Applications. [on-line]. Available: http://www.nrel.gov/docs/fy03osti/33965.pdf. [22 march 2013]. 7. D.L. Williamson , (2004 January 22) Structure of Silicon-Based Thin Film Solar Cell Materials. [on-line]. Available: http://www.nrel.gov/docs/fy04osti/35227.pdf. [22 march 2013]. 8. C.Heske. (2005 June 31). Characterization of the Electronic And Chemical Structure of the thin Film Solar Cell Interfaces.[on-line]. Available:http://www.nrel.gov/docs/fy09osti/46434.pdf. [22 march 2013]. 9. Daniel Abou-Ras, Thomas Kirchartz, Uwe Rau. (2005 June 11). [on-line]. 10. Available:http://ntserver1.wsulibs.wsu.edu:2111/(S(1k3wnpil2expoosl0hof0nim))/Reader.aspx?p=700957&o=1338&u=Be4w6thq3CwKgfYQeTA7Nw%3d%3d&t=1364012986&h=8EFCFD99BA7DFC776DDDF52E4D19AC2AA5D4C07C&s=16378711&ut=4509&pg=1&r=img&c=861&pat=n. . [22 march 2013].

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