Microscopy from Scientific Research

i) Cross-sectional scanning electron microscopy (SEM) image of E1-doped MAPbI3film. ii) Top-view SEM of E1-doped MAPbI3film showing a surface packed by nanocrystals. iii) Scheme showing the dense packing of E1 molecules coated on MAPbI3nanocrystals. iv) Transmission electron microscopy (TEM) image v) high-angle annular dark field (HAADF) image and vi) elemental mapping of the E1-MAPbI3nanocrystal, showing the crystalline MAPbI3nanoparticle coated by shell of E1 molecules.

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