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The Arkansas GREEN Solar Cells Research Center (GREEN) was funded by an NSF EPSCoR RII Track-1 award during 2010-2015.

The research goal of the GREEN Center was to increase the efficiency of solar cells while keeping production costs as low as possible. This effort resulted in a number of innovative technologies and patents, and provided the foundation for two successful startup companies, Wattglass and Picasolar. Picasolar was the first company to receive three rounds of SunShot funding from the US DOE for their technology that extracts energy from solar cells more efficiently. WattGlass is commercializing an innovative technology that virtually eliminates reflection, glare, and fogging on glass and other transparent materials using a proprietary nanoparticle coating.