A research team led by China’s Sichuan University has investigated methods to tune the content of lead (II) oxide (PbO) and silicon dioxide (SiO₂) within silver paste, with the aim of reducing contact resistance at the silver-silicon (Ag–Si) interface in crystalline silicon solar cells and thereby improving overall device performance. “We systematically investigated the effect of the PbO/SiO₂ molar ratio—the most fundamental and critical composi…
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