~ Efisiensi Lebih Tinggi Dari Solar Cell Hibrid Baru

New hybrid solar cell promises higher efficiency

RoseStreet Labs Energy, Inc. (RSLE; Phoenix, AZ) claims to have demonstrated the world's first nitride/silicon tandem solar cell. Utilizing the same nitride material technology as and the company fabricated and tested a working photovoltaic cell that couples a silicon solar cell with a nitride

According to RLSE, this is a major milestone in its product roadmap to achieve substantially higher solar efficiencies than standard silicon or other thin-film solar cells. The hybrid device is eventually expected to achieve practical efficiencies of 25-30%, and could be in production by the end of 2010.

"We are quite excited about this new hybrid solar cell that marries low-cost nitride thin film with the massive infrastructure of silicon solar cells," said Bob Forcier, CEO, of RSLE. "Our target market for this hybrid device is the high performance sector for photovoltaics, which we estimate to be over 1% of the $34 billion solar cell global market." The high-performance market is especially sensitive to applications that are space-constrained such as industrial rooftops and mobile devices, he said.

The RSLE device is on the company's Full Spectrum Photovoltaic Product Roadmap. Full Spectrum technology is primarily based on nitride thin-film semiconductors, which exhibit excellent robustness to extreme environments including particle radiation, heat and corrosive environments.

RSLE chief technology officer, Wladek Walukiewicz, commented, "I am also very pleased with this hybrid breakthrough. We believe that nitrides have plenty of upside opportunity for higher efficiencies where most competing technologies are very near to their maximum practical efficiencies."

Posted by Steve Anderson,

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