by Erica Marchand
Paris, France (SPX) Jan 14, 2026
A brand new photo voltaic cell that’s designed to work in areas 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 gadget 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 Heart 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 strategy focuses on semi clear, coloration tunable perovskite photo voltaic cells that may mix with their environment.
The findings, offered in EES Photo voltaic, focus on the fabrication of low temperature processed, versatile, semi clear and coloration tunable perovskite photo voltaic cells. The researchers can fantastic tune how a lot mild passes by way of and what coloration the cell seems by adjusting the thickness of a clear electrode layer, with out altering the photo voltaic materials itself.
This management permits the gadget to replicate chosen mild wavelengths whereas persevering with to supply electrical energy from the remaining spectrum. It offers designers higher freedom to decide on completely different visible appearances and ranges of transparency, which is necessary for purposes similar 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 rigorously formed openings that regulate mild transmission by way of the gadget, eliminating the necessity to change the perovskite absorber layer to attain semi transparency.
As a result of the strategy 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 assist scalable manufacturing of photo voltaic cells for actual world use.
“Our objective was to rethink how transparency is achieved in photo voltaic cells,” stated Prof. Magdassi. “By utilizing 3D printed polymer constructions comprised of non poisonous, solvent free supplies, we will exactly management how mild strikes by way of the gadget 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 secure efficiency after repeated bending and through prolonged operation, that are key benchmarks to be used in architectural and different mechanically versatile environments.
“What is particularly thrilling is that we will customise each how the gadget seems to be and the way versatile it’s, with out sacrificing efficiency,” stated Prof. Etgar. “That makes this know-how notably related for photo voltaic home windows and for including photo voltaic performance to present buildings.”
The crew plans to focus subsequent on bettering long run sturdiness by way of protecting encapsulation and barrier layers to protect the perovskite materials from moisture and oxygen. The objective is to maneuver the know-how nearer to industrial use by enhancing stability and refining the fabrication course of.
Analysis Report:Semitransparent coloration tunable perovskite photo voltaic cells with 3D pillar construction
Associated Hyperlinks
Hebrew College of Jerusalem
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