by Erica Marchand
Paris, France (SPX) Jan 14, 2026
A brand new photo voltaic cell that’s designed to work in places like home windows and versatile surfaces the place conventional panels can’t has been developed by nanotechnology researchers on the Hebrew College of Jerusalem. The machine targets installations on constructing facades, architectural glass and curved constructions the place inflexible modules are tough to deploy.
The analysis, led by Prof. Shlomo Magdassi and Prof. Lioz Etgar from the Hebrew College Institute of Chemistry and the Middle for Nanoscience and Nanotechnology, factors to new methods of embedding photo voltaic know-how into home windows, constructing facades and curved surfaces with out compromising look or efficiency. The method focuses on semi clear, shade tunable perovskite photo voltaic cells that may mix with their environment.
The findings, introduced in EES Photo voltaic, focus on the fabrication of low temperature processed, versatile, semi clear and shade tunable perovskite photo voltaic cells. The researchers can high-quality tune how a lot gentle passes by means of and what shade the cell seems by adjusting the thickness of a clear electrode layer, with out altering the photo voltaic materials itself.
This management permits the machine to replicate chosen gentle wavelengths whereas persevering with to provide electrical energy from the remaining spectrum. It offers designers higher freedom to decide on completely different visible appearances and ranges of transparency, which is essential for functions corresponding to photo voltaic home windows and glass partitions.
On the coronary heart of the design is a sample of microscopic polymer pillars created utilizing 3D printing. These tiny constructions act like fastidiously formed openings that regulate gentle transmission by means of the machine, eliminating the necessity to change the perovskite absorber layer to attain semi transparency.
As a result of the tactic avoids excessive temperatures and poisonous solvents, it’s effectively fitted to extra environmentally pleasant manufacturing. The low temperature, solvent free course of is appropriate with versatile substrates and is meant to help scalable manufacturing of photo voltaic cells for actual world use.
“Our purpose was to rethink how transparency is achieved in photo voltaic cells,” mentioned Prof. Magdassi. “Through the use of 3D printed polymer constructions constituted of non poisonous, solvent free supplies, we are able to exactly management how gentle strikes by means of the machine in a approach that’s scalable and sensible for actual world use.”
In laboratory assessments, the versatile photo voltaic cells reached energy conversion efficiencies of as much as 9.2 p.c, with about 35 p.c common seen transparency. Additionally they maintained steady efficiency after repeated bending and through prolonged operation, that are key benchmarks to be used in architectural and different mechanically versatile environments.
“What is very thrilling is that we are able to customise each how the machine seems to be and the way versatile it’s, with out sacrificing efficiency,” mentioned Prof. Etgar. “That makes this know-how significantly related for photo voltaic home windows and for including photo voltaic performance to present buildings.”
The staff plans to focus subsequent on enhancing long run sturdiness by means of protecting encapsulation and barrier layers to protect the perovskite materials from moisture and oxygen. The purpose is to maneuver the know-how nearer to industrial use by enhancing stability and refining the fabrication course of.
Analysis Report:Semitransparent color tunable perovskite solar cells with 3D pillar structure
Associated Hyperlinks
Hebrew University of Jerusalem
All About Solar Energy at SolarDaily.com
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