Due to the alarming levels of greenhouse gases in the atmosphere, almost every country has taken steps in bringing non-conventional energy resources in front. Pressure from different governments has increased solar panel and solar cell installations, there by tapping a wide area of solar energy in different parts of the world. But still solar energy accounts for only 1-2 percent of total energy consumptions. One of the major reasons for the slow growth of solar technologies is its initial installation costs. Generally, solar cells are been made from ultra-pure sliced silicon wafers. Higher efficient solar cells (silicon with cadmium telluride or copper indium selenide/sulphide) that produce more current per unit area involve much complexity in preparation and hence, their prices are high, obviously.
Now, British researchers have brought the break through. They have deduced a technique that uses cheap plastics along with semiconductor substances to capture energy from sun. Selected plastic materials are printed or coated on other photoelectric substances in appropriate proportions, there by forming a solar cell,
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http://studiesinventory..com/2011/07/plastic-solar-cells-new-innovation.html