Organic photovoltaic (OPV)
cells are cells made mostly of organic
molecules. Specifically, the active layer of
the device is made of organic material. Many
scientists and engineers believe organic
solar cells will provide a cheaper
alternative to traditional inorganic cells,
since it is thought that economies of scale
due to large-scale production of organic
polymers will turn out to be less expensive
than the current costs for fabrication of
silicon or other inorganic materials.
However, organic solar cells have much lower
efficiencies than traditional technologies.
Organic solar cells are considered to be a
third generation technology.
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