ScienceDaily (Aug. 25, 2008) — Scientists are working to convert sunlight to cheap electricity at South Dakota State University. Research scientists are working with new materials that can make devices used for converting sunlight to electricity cheaper and more efficient.
Assistant professor Qiquan Qiao in SDSU’s Department of Electrical Engineering and Computer Science said so-called organic photovoltaics, or OPVs, are less expensive to produce than traditional devices for harvesting solar energy.
Qiao and his SDSU colleagues also are working on organic light-emitting diodes, or OLEDs.
The new technology is sometimes referred to as “molecular electronics” or “organic electronics” — organic because it relies on carbon-based polymers and molecules as semiconductors rather than inorganic semiconductors such as silicon.
“Right now the challenge for photovoltaics is to make the technology less expensive,” Qiao said.
“Therefore, the objective is find new materials and novel device structures for cost-effective photovoltaic devices..Keep Reading
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