Solar power: photovoltaics The journey from photons to electrons
Introduction
Solar power is obtained mainly by the use of solar cells. The photovoltaic (PV) effect is the basic physical process through which a PV cell converts sunlight into electricity. Photovoltaics, as the word implies (photo = light, voltaic = electricity), convert sunlight directly into electricity.
It is one of the forms of solar cells, in which light falling on a two-layer semi-conductor device produces a photo voltage or potential difference between the layers. This voltage is …
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…and help to reduce the endless extractions of natural resources such as coal to do the work.
Biblography
http://www.nrel.gov/research/pv/docs/pvpaper.html
http://www.howstuffworks.com/solar-cell.htm
http://www.eren.doe.gov/pv/pvmenu.cgi?site=pv&idx=1&body=aboutpv.html
http://acre.murdoch.edu.au/refiles/pv/text.html
McClory Paul, Alternative Energy, Wayland, Pgs 21-25, England, 1980
CSIRO, Research for Australia 2, Energy, Pgs 64-65, CSIRO, Victoria, 2000
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