Japanese scientists build near-white heterojunction solar cell for BIPV applications

The lab-scale, near-white heterojunction solar cell uses nanoclay-based scattering layers combined with dielectric multilayer films to preserve power conversion efficiency while enhancing visual appeal. The researchers report optical losses of less than 1% at a 50% clay volume fraction, which are significantly lower than those observed with textured glass.Researchers from the Nagaoka University of Technology in Japan have fabricated a heterojunction (HJT) solar cell with a near-white appearance for applications in building-integrated photovoltaics (BIPV). "This is still a lab-scale proof of concept, ...

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