In collaboration with the University of South Florida and the US Department of Energy’s National Renewable Energy Laboratory (NREL), New Energy Technologies debuted its Solar Window technology based on an organic photovoltaic solution that can be sprayed directly onto glass as an incredibly thin, sub-micrometer layer. The next challenge was to attempt to develop methods for scaling up the fabrication method. The latest manufacturing innovation enables high-speed roll-to-roll and sheet-to-sheet manufacturing, according to the company. Importantly, the process can be executed at ambient pressure and low temperatures, avoiding the use of expensive materials that must otherwise be used with high-temperature vacuum deposition. Dr Scott Hammond, principal scientist at New Energy, believes the discovery could also favourably improve durability and shelf-life of the photvoltaic devices. NREL scientists said the process demonstrates dramatic improvements to the operational and shelf-life of unprotected i.e. non-encapsulated photovoltaic devices utilising related materials when subjected to continuous illumination.