Pan, T., Yang, W., Ren, B., Yao, Q., Xu, Y., Li, Y., Chao, L., Xia, Y., Chen, Y. (2026). Stabilizing SnO 2 Colloids via Phosphate Buffering for Efficient and Durable Perovskite Photovoltaics. Advanced Materials. https://doi.org/10.1002/adma.202518260