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Paper Details

Organic Solar Cell- The Future Energy Resource

Manish Kaushik*a and Bharat Kaushikb

Journal Title:Journal of Chemical, Biological and physical sciences

The limited supply of todays main energy sources (oil, coal, uranium) will force us eventually to replace most of the currently used power plants with renewable energy sources. According to recent predictions, the inevitable permanent decline in the global oil production rate is expected to start within the next 10-20 years. The new category of renewable energy resource is Organic solar cell. Considerably less effort and production energy is necessary if organic semiconductors are used because of simpler processing at much lower temperatures (20-200 oC) than the inorganic cells. Another interesting alternative to inorganic cells is given by the semiconducting polymers, which combine the opto-electronic properties of conventional semiconductors with the excellent mechanical and processing properties of polymeric i.e. plasticmaterials. These can be processed from solution at room-temperature onto e.g. flexible substrates using simple and therefore cheaper deposition methods like spin or blade coating. The advantage of polymeric photovoltaic cells when compared to electro-chemical cells is predominantly the absence of a liquid electrolyte, which generates problems with sealing against air, but also the prospect of even cheaper production using large area devices and the use of flexible substrates. Possible applications may range from small disposable solar cells to power smart plastic (credit, debit, phone or other) cards which can display for example, the remaining amount, to photo-detectors in large area scanners or medical imaging and solar power applications on uneven surfaces.