An international research team has developed a metallization technique for TOPCon solar cells that can reportedly reduce ...

Figure 2. The R54 sheet resistance mapping system (left); and the square chuck designed for solar cell applications (right). Image Credit: KLA Instruments ™ Figure 3. Structure of a TOPCon solar cell.

The scientists also used 60 cells to build a 613 W TOPCon module that achieved an efficiency of 22.8%, an open-circuit voltage of 41.21 V, a short-circuit current of 18.17 A, and a fill factor of ...

Image: Bert Thin Films. Kentucky-based Bert Thin Films has used a proprietary copper paste on a tunnel oxide passivated contact (TOPCon) M10 solar PV cell with a conversion efficiency of 24%.