Natcore's Black Silicon Succeeds In First-Ever Solar Cell Production Line Test - KXNet.com - Bismarck/Minot/Williston/Dickinson-KXNEWS,ND

Natcore's Black Silicon Succeeds In First-Ever Solar Cell Production Line Test

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SOURCE Natcore Technology Inc.

"This indicates that Natcore's black silicon is commercially viable": Provini

RED BANK, N.J., May 5, 2014 /PRNewswire/ -- One of the world's largest photovoltaic manufacturers has been the first to process Natcore Technology's black silicon wafers into working solar cells in an actual production line rather than in a laboratory setting.

The wafers were given a black silicon etch by scientists of Natcore Technology Inc. (TSX-V: NXT; NTCXF.PK) using the company's proprietary process. The wafers were then shipped to the photovoltaic manufacturer, a company with annual revenue exceeding US$160 million and located in China's Hunan province.

Five batches of silicon wafers with a black silicon etch - prepared by Natcore's scientists at their R&D Center in Rochester, NY, under an exclusive license from the National Renewable Energy Laboratory (NREL) - were supplied to the Chinese company for cell finishing and testing. Two of the batches were used as controls to help interpret results. Of the three test batches, one had a diffusion using phosphorous oxychloride (POCl3) applied by Natcore; the remaining test batches were diffused by the Chinese company. In all cases, the Chinese performed the final steps necessary to turn the wafers into solar cells and to test them.

"We put these cells through the Chinese manufacturer's process with essentially no modification to the process itself, except for the fact that certain steps were completely removed," says Dr. David Levy, Natcore's Director of Research & Technology. "And the removal of these steps projects to yield cost savings of as much as 23.5%

"We came out with an efficiency of 15.7% on this first trial.  The Chinese team said they were very impressed, as we were, with this result. Conventional cells made in a similar industrial process do have efficiencies in the range of 17 to 19%.  But considering the results of this first attempt, the Chinese engineers feel that we could easily push our black cell efficiency into the high teens.

"Cells made from wafers using our POCl3 diffusion outperformed the cells made with the Chinese diffusion, which was a bit of a surprise to us. The open circuit voltages of the black cells were in the ballpark of 0.63 V, very close to results obtained on conventional control cells that were made with a silicon nitride passivation layer.  That speaks to the good passivation that can be obtained on our black etch," Levy concluded.

"I can't overstate the importance of this development," says Chuck Provini, Natcore's president and CEO. "It demonstrates that our black silicon process is commercially viable in a real production line. It also shows that our process could be integrated into a production line without fear of contamination by the chemicals that our process uses.

"This is a huge step toward commercialization. It proves our earlier contention that our technology can easily be retrofitted into existing solar cell production lines and can just as easily be incorporated into a new line. Black silicon seems poised to become an important new approach for the industry."

The completed cells are being returned to Natcore for further testing.

Statements in this press release other than purely historical factual information, including statements relating to revenues or profits, or Natcore's future plans and objectives, or expected sales, cash flows, and capital expenditures constitute forward-looking statements. Forward-looking statements are based on numerous assumptions and are subject to all of the risks and uncertainties inherent in Natcore's business, including risks inherent in the technology history. There can be no assurance that such forward-looking statements will prove to be accurate, as actual results and future events could differ materially from those anticipated in such statements. Accordingly, readers should not place undue reliance on such statements. Except in accordance with applicable securities laws, Natcore expressly disclaims any obligation to update any forward-looking statements or forward-looking statements that are incorporated by reference herein.

Neither TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in the policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this release.

Contact: Chuck Provini
732-576-8800
Info@natcoresolar.com
www.natcoresolar.com

©2012 PR Newswire. All Rights Reserved.

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