Scientists design all-back-contact transparent solar
The team''s design features an all-back-contact (ABC) configuration, which places all electrical contacts on the rear side,
The team's design features an all-back-contact (ABC) configuration, which places all electrical contacts on the rear side, creating a glass-like transparent crystalline silicon (c-Si) cell. They also developed Seamless Modularization technology to eliminate gaps between devices without using metal wires, resulting in a metal wire-free solar module.
Monocrystalline silicon represented 96% of global solar shipments in 2022, making it the most common absorber material in today's solar modules. The remaining 4% consists of other materials, mostly cadmium telluride. Monocrystalline silicon PV cells can have energy conversion efficiencies higher than 27% in ideal laboratory conditions.
They explained that the transparent silicon solar cell could be used in various industries and in small devices, as well as buildings and automobile glass. “We have opened a new path for modularization research, which is essential for commercialization of transparent silicon solar cells,” added Prof. Kwanyong Seo.
Researcher Jeonghwan Park and Research Assistant Prof. Kangmin Lee said the study “fundamentally solved the aesthetic problem of the existing solar cell modularization method.” They explained that the transparent silicon solar cell could be used in various industries and in small devices, as well as buildings and automobile glass.
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