Bifunctional Surface Engineering on SnO2 Reduces Energy Loss in Perovskite Solar Cells

Bifunctional PMMA/SnO₂ surface engineering simultaneously passivates electron transport layer defects and improves charge extraction, yielding >24% PCE.

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Recommended citation: Jung, E. H.^†, Chen, B.^†, Bertens, K., Vafaie, M., Teale, S., Proppe, A., Hou, Y., Zhu, T., Zheng, C., Sargent, E. H. "Bifunctional Surface Engineering on SnO2 Reduces Energy Loss in Perovskite Solar Cells." ACS Energy Letters 2020, 5 (9), 2796–2801.
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