Global Sources
EE Times-Asia
Stay in touch with EE Times Asia
?
EE Times-Asia > Power/Alternative Energy
?
?
Power/Alternative Energy??

Researchers offer low-cost PV device with high energy efficiency

Posted: 02 Jan 2014 ?? ?Print Version ?Bookmark and Share

Keywords:University of Valencia? photovoltaic device? perovskite? solar cell?

Researchers led by Hendrik Bolink of the Institut de Ciencia Molecular (ICMol) of the Cientific Parc of the University of Valencia have created what they describe as a thin film low cost photovoltaic device with high power conversion efficiency. The device was developed together with researchers of Ecole Polytechnique Federale de Lausanne (EPFL) in Switzerland.

The solar cell developed by the researchers of the ICMol consists of a thin perovskite film sandwiched in between two very thin organic semiconductors. The total thickness of the device is less than half a micrometer, less than a millions' part of a meter. The hybrid organic-inorganic perovskite material can be prepared easily and at low cost. Hendrik Bolink stated that these devices were prepared with low temperature processes similar to those used in the printing industry which allows the use of plastic substrates such that flexible devices can be prepared.

It is also possible to make the device semitransparent that allows their integration with building facades since they are very thin and light weight. In this way the sun light is filtered protecting the building interior from intense sun light while at the same electricity is generated.

low-cost PV device

The solar cell developed by the researchers of the ICMol consists of a thin perovskite film sandwiched in between two very thin organic semiconductors.

Most of the solar cells that convert sun light into electricity are based on crystalline silicon, en expensive material, whereas the remainder uses polycrystalline thin film cells, mostly cadmium telluride/cadmium sulfide. These thin film cells are cheaper to produce yet are based on rare and rather toxic elements. Therefore, "the demonstration of high efficiency in thin film solar cells based on abundantly available and cheap materials like as used in these perovskite based solar cells, allows for an increasing share of solar energy in the mix of renewable resources," according to Bolink.





Article Comments - Researchers offer low-cost PV device...
Comments:??
*? You can enter [0] more charecters.
*Verify code:
?
?
Webinars

Seminars

Visit Asia Webinars to learn about the latest in technology and get practical design tips.

?
?
Back to Top