Semprius absorbs $6M for cheaper, printed solar cells

Semprius is one of a few companies focused on thin, printed solar modules — a relatively new technology that could save a tremendous amount of solar cell waste if widely implemented. The modules are considered “printed” because they consist only of a very thin layer of active solar cells stripped off the top of a normal solar wafer. Based in Durham, N.C., the company has raised $6.4 million in a second round of funding to continue developing this design.

Printed solar modules are not only cheaper to make, they also save a lot of expensive material. By stripping layers off larger wafers, the company is able to recycle the rest of the material that goes unused to create even more modules, it says. The modules are usually printed onto a ceramic base for solar applications, but Semprius is also known for working with glass and plastics. With a broader focus on high-performance semiconductors, it also makes chips used in LCD displays and disk drives.

The recent funding came from ARCH Venture Partners, Applied Ventures, Illinois Ventures, Intersouth Partners, In-Q-Tel and GVC Investment Fund.

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About the Author, Camille Ricketts

Camille is the lead writer for GreenBeat. She came to VentureBeat from Google where she worked on its traditional platforms team, particularly in TV. Before that, she was a reporter for the Wall Street Journal in New York and London. Follow her on Twitter at @camillericketts, and follow VentureBeat on Twitter at @venturebeat.

With GreenBeat 2009, VentureBeat's all-star conference on all things Smart Grid, coming up in November, Camille will be expanding coverage of this exciting space. Stay up to date by following @greenbeat2009 on Twitter or by becoming a fan of the event on Facebook here.