Extended Data Fig. 4: TEM images with wide field of view.
From: Slow carrier relaxation in tin-based perovskite nanocrystals
(a, b) FASnI3 nanocrystals (25 °C synthesis) with a large field of view (scale bar, 500 nm). (c-f) FASnI3 nanocrystals (~9.7 nm, FA 130 °C, SnI2 25 °C) with a large field of view (holey carbon films, (c, d) scale bar, 500 nm, (e, f) scale bar, 1 μm). See Additional Fig. 4 for individual images.
