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Solar Power Question: What is an organic photovoltaic cell?
Answer: An organic photovoltaic cell (OPVC) is photovoltaic cell which uses organic electronic materials for light absorption and charge transport.
Low cost, large scale production and flexibility of organic molecules make them appealing for the photovoltaic applications. Molecular engineering like changing the length and functional group of polymers can change the energy gap, which allows chemical tuning in these materials. The optical absorption coefficient of organic molecules is high, so a large amount of light can be absorbed with a small amount of materials. Main disadvantages associated with organic photovoltaic cells are low efficiency, low stability and low strength compared to inorganic photovoltaic cells.
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