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Materials

DSM Acquires Light-Trapping Technology

by Michael McCoy
March 25, 2013 | A version of this story appeared in Volume 91, Issue 12

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Credit: DSM Innovation Center
An illustration of SolarExcel’s light-trapping polymer sheet at work.
Illustration of SolarExcel light trapping technology for solar panels acquired by DSM.
Credit: DSM Innovation Center
An illustration of SolarExcel’s light-trapping polymer sheet at work.

DSM has acquired SolarExcel, a Dutch company that developed light-trapping technology said to increase the efficiency of solar panels 6–12%. The firm’s polymer sheet is laminated to the glass cover of a photovoltaic module. Its textured surface guides light toward the module’s active layer, reducing the loss of light caused by internal reflection, SolarExcel says. DSM already supplies an antireflective coating for solar panels.

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