Solar cells, printed on a foil that’s potentially hundreds of meters long. Solliance, based at High Tech Campus Eindhoven, has succeeded in scaling up the production process of roll-to-roll solar cells that will ultimately turn any surface – even if it’s curved or transparent – into an energy source. The switch that was made two years ago, when Solliance decided to change from organic material to perovskites, is beginning to pay off. “We will need another five to seven years for further testing durability”, Solliance CEO Huib van den Heuvel says, “but we have come closer to delivering a printing machine for the production of solar cells on a roll.”

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About the author

Author profile picture Bart Brouwers is co-founder and co-owner of Media52 BV, the publisher of