PolyU Perovskite-Organic Tandem Cells Survive Extended Shading Tests

By Sujita Sinha · Interesting Engineering · 2026-07-21

According to Interesting Engineering, researchers at The Hong Kong Polytechnic University have engineered a tandem solar cell capable of maintaining 97 percent efficiency during a 2,000-hour shading simulation. By modifying the donor-acceptor layer to reduce deep trap states, the

According to Interesting Engineering, researchers at The Hong Kong Polytechnic University have engineered a tandem solar cell capable of maintaining 97 percent efficiency during a 2,000-hour shading simulation. By modifying the donor-acceptor layer to reduce deep trap states, the