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Instead, transparency is achieved in a different place. Rather than changing the solar material, the researchers use 3D-printed microscopic polymer pillars which are responsible for the transparency and sit inside the solar layer. Think of them as precisely engineered micro-architecture that controls how light travels through the device. The pillars form tiny openings that set how much light is transmitted, while the solar layer below stays the same. In materials terms, this is a structural solution to an optical problem: transparency becomes a design parameter, not a chemical compromise. It is also a manufacturing-minded decision. The process avoids high temperatures and toxic solvents, which matters if you are serious about flexible substrates and large-area production.
Many promising energy materials stumble at the point where lab methods meet factory reality. A route that is gentler in processing conditions, and compatible with roll-to-roll or scalable coating approaches tends to have a better chance of moving from‘ nice paper’ to‘ usable product’.
The work is not only about transparency. The team also demonstrated control over appearance, an important factor in the design of these panels. By adjusting the thickness of a transparent electrode layer, the device can reflect selected wavelengths of light, giving it a range of colors while
Professor Shlomo Magdassi
Professor Lioz Etgar still producing electricity. This may