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Figure 1. (A) Schematic diagram of multiple chemical interactions between crosslinked HPβCD-BTCA network and perovskites. (B) Schematic illustration of the HPβCD-BTCA-assisted stabilization of the whole fabrication process from precursor to film and to the final device. Space charge-limited current curves of the (C) control and (D) target HPβCD-BTCA-modified device. Reprinted with permission^[7]. Copyright © 2023 Springer Nature Limited. (E) Different distributions of hydroxyl groups in OMβCD and G4, and (F) their interactions with different ions in perovskites. Reprinted with permission^[8]. Copyright © 2023 Wiley-VCH GmbH.