Researchers at the University of Minnesota have 3D printed an array of organic light receptors on a hemispherical surface. Starting with a bowl-shaped glass substrate around 20mm in diameter, the team printed a silver nano-particle-based ink, extruding it through a fine nozzle on a custom-made 3D printer – see image. “The dispensed ink stayed in ...
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from Electronics Weekly https://www.electronicsweekly.com/news/research-news/efficient-polymer-photo-diodes-printed-curved-surface-2018-09/
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