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 not has been developed by nanotechnology researchers on the Hebrew College of Jerusalem. The system targets installations on constructing facades, architectural glass and curved buildings 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, shade 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 shade tunable perovskite photo voltaic cells. The researchers can effective tune how a lot gentle passes by way 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 system to replicate chosen gentle wavelengths whereas persevering with to supply electrical energy from the remaining spectrum. It offers designers better freedom to decide on totally different visible appearances and ranges of transparency, which is essential for purposes resembling 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 buildings act like rigorously formed openings that regulate gentle transmission by way of the system, eliminating the necessity to change the perovskite absorber layer to realize semi transparency.
As a result of the strategy avoids excessive temperatures and poisonous solvents, it’s effectively suited to extra environmentally pleasant manufacturing. The low temperature, solvent free course of is suitable with versatile substrates and is meant to help scalable manufacturing of photo voltaic cells for actual world use.
“Our aim was to rethink how transparency is achieved in photo voltaic cells,” mentioned Prof. Magdassi. “By utilizing 3D printed polymer buildings comprised of non poisonous, solvent free supplies, we are able to exactly management how gentle strikes by way of the system in a method that’s scalable and sensible for actual world use.”
In laboratory checks, the versatile photo voltaic cells reached energy conversion efficiencies of as much as 9.2 %, with about 35 % common seen transparency. In addition 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 are able to customise each how the system appears 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 bettering long run sturdiness by way of protecting encapsulation and barrier layers to protect the perovskite materials from moisture and oxygen. The aim is to maneuver the know-how nearer to business use by enhancing stability and refining the fabrication course of.
Analysis Report:Semitransparent shade tunable perovskite photo voltaic cells with 3D pillar construction
Associated Hyperlinks
Hebrew College of Jerusalem
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