Diamine Chelates for Increased Stability in Mixed Sn–Pb and All-Perovskite Tandem Solar Cells

Diamine chelates form stable ring structures on Sn–Pb perovskite surfaces, dramatically reducing Sn oxidation and enabling stable all-perovskite tandems exceeding 27% PCE.

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Recommended citation: Li, C., Chen, L., Jiang, F., Song, Z., Wang, X., Balvanz, A., Ugur, E., Liu, Y., Liu, C., Maxwell, A., Chen, H., Liu, Y., Wang, Z., Xia, P., Li, Y., Fu, S., Sun, N., Grice, C. R., Wu, X., Fink, Z., Hu, Q., Zeng, L., Jung, E., Wang, J., Park, S. M., Luo, D., Chen, C., Shen, J., Han, Y., Perini, C. A. R., Correa-Baena, J.-P., Lu, Z.-H., Russell, T. P., De Wolf, S., Kanatzidis, M. G., Ginger, D. S., Chen, B.^*, Yan, Y.^*, Sargent, E. H.^* "Diamine Chelates for Increased Stability in Mixed Sn–Pb and All-Perovskite Tandem Solar Cells." Nature Energy 2024.
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