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. 2018 Nov 28;9:5029. doi: 10.1038/s41467-018-07503-4

Fig. 4.

Fig. 4

Ionic crystals in self-assembled lamellar grains. Bright-field TEM, high-resolution TEM micrographs, and FFT patterns obtained from PSS:Im-b-PMB with the addition of a ZImS/Im and b ZImS2/Im. The darkened area of lamellae indicates PSS:Im phases for both samples and ionic crystals are marked by circles in each TEM image for clarity. Scale bars in bright-field TEM and high-resolution TEM images are 20 nm and 2 nm, respectively. c Schematic illustration of the formation of ionic crystal in ionic phases of lamellar grains for PSS:Im-b-PMB with ZImS/Im