Organic solar cells (OSC) are said to be lightweight, nontoxic and semi-transparent but they have low efficiency and they are not very reliable in long term use.
Last year Ubiquitous Energy was able to produce a transparent solar cell with an efficiency of 9.8 percent energy conversion.
Ubiquitous Energy covered the glass with the organic layers using regular glass coating machines. According to them the transparent coating only absorbs ultraviolet and near-infrared lights and transforms it into electricity while letting visible light through.
They have transformed 100 square feet of their company headquarter into transparent solar windows.
Commercializing BIPVs can be difficult due to market acceptance of normal PVs and their reliability. They also have a very good performance history.
However, things are different for BIPV. They are relatively new to the market and r due to lack of performance history, it is hard for them to compete in the market and projects.
OSCs have a production capacity of just a few megawatts and their low efficiency caused them not to achieve commercial goals.
So while they are an exciting prospect, they are still yet to develop further.
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Source:@ pv-magazine & @Solar_Edition
Photo: @Solar_Edition
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