China's New Tandem Solar Cell Pairs 29.71% Efficiency with Improved Stability

China's new tandem solar cell pairs 29.71% efficiency with improved stability

Chinese researchers have developed a new type of tandem solar cell that achieves a power conversion efficiency of 29.71 percent. The team improved the stability of the perovskite material by adding a sulfur-based compound called bis(2-pyridylmethyl) sulfide (2PyS), which helps reduce tiny flaws that normally lower performance over time. It also prevents the movement of charged particles and limits light-induced material changes that can degrade …

Chinese researchers build 29.71% perovskite-CIGS tandem solar cell based on sulfide

Researchers from the Chinese Academy of Sciences (CAS) have developed a tandem solar cell based on a top perovskite solar cell and a bottom device relying on copper, indium, gallium and selenium (CIGS) using a coordination-engineering approach designed to improve the stability of the wide-bandgap perovskite material. They used, in particular, an organic sulfur-containing compound known as bis(2-pyridylmethyl) sulfide (2PyS) to fine-tune the loca…

Chinese researchers build 29.71% perovskite-CIGS tandem solar cell based on sulfide - pv magazine Global

Researchers from the Chinese Academy of Sciences (CAS) have developed a tandem solar cell based on a top perovskite solar cell and a bottom device relying on copper, indium, gallium and selenium (CIGS) using a coordination-engineering approach designed to improve the stability of the wide-bandgap perovskite material. They used, in particular, an organic sulfur-containing compound known as bis(2-pyridylmethyl) sulfide (2PyS) to fine-tune the loca…