<p>➀ The study demonstrates the integration of UiO-66 into tin halide perovskite solar cells significantly enhances efficiency and stability; </p><p>➁ The incorporation of UiO-66 facilitates improved crystallization kinetics, defect passivation, and superior charge transport properties; </p><p>➂ The findings reinforce the role of MOFs as a viable strategy for addressing the challenges of tin-based perovskites.</p>