fig1

Figure 1. (A) Schematic illustrations of MOF interlayers and a MOF-perovskite heterostructure. (B) Schematic illustration of interfacial interaction between perovskite and ZIF-8 by methyl groups. Reprinted with permission^[36]. Copyright 2018, Royal Society of Chemistry. (C) Device structure of a flexible perovskite solar cell incorporating Ti-MOF as an ETM. Reprinted with permission^[39]. Copyright 2018, American Chemical Society. (D) UV-visible light absorption and PL emission spectra of Eu-MOF and perovskite film. Reprinted with permission^[6]. Copyright 2021, Wiley-VCH. (E) Stability testing of HTMs with POM-Cu-BTC dopants and their illustrated stabilization mechanisms. Reprinted with permission^[43]. Copyright 2019, Wiley-VCH. (F) Device structure and long-term operational stability of PSCs with thiol-functionalized 2D MOF layer. Reprinted with permission^[7]. Copyright 2020, Springer Nature.