Dual-oxide diffusion barrier boosts efficiency of mass-produced TOPCon solar cells by 0.07 percentage points

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Chinese researchers developed a dual-silicon-oxide diffusion barrier method for TOPCon solar cells that improves phosphorus distribution and reduces contact resistance and optical losses. The industry-compatible process raised average cell efficiency from 27.15% to 27.22%.

Chinese researchers have developed a dual silicon oxide diffusion barrier strategy that improves phosphorus distribution and reduces contact resistance and optical losses in TOPCon solar cells. The industry-compatible process increased average cell efficiency from 27.15% to 27.22%, an absolute gain of 0.07 percentage points. The post Dual-oxide diffusion barrier boosts efficiency of mass-produced TOPCon solar cells by 0.07 percentage points appeared first on pv magazine Global.