Figure 2. (From left) (A) Structure of hierarchical shell, composed of composed of inter-bonded PbSO₄, SiO₂, and polymer layers. (B and C) Profiles of PLQY vs aging duration for MAPbBr3 and HS-MAPbBr3 films under 60 °C/90% relative humidity (IMAGE)

Seoul National University College of Engineering

Figure 2. (From left) (A) Structure of hierarchical shell, composed of composed of inter-bonded PbSO₄, SiO₂, and polymer layers. (B and C) Profiles of PLQY vs aging duration for MAPbBr3 and HS-MAPbBr3 films under 60 °C/90% relative humidity

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(From left) (A) Structure of hierarchical shell, composed of composed of inter-bonded PbSO₄, SiO₂, and polymer layers. (B and C) Profiles of PLQY vs aging duration for MAPbBr3 and HS-MAPbBr3 films under 60 °C/90% relative humidity (B) and blue light of 180 W/m2 (C). (D) EQY vs PLQY for various light emitters excited at 365 to 450 nm.

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