Fig. 3 | Nature Communications

Fig. 3

From: Facile transformation of imine covalent organic frameworks into ultrastable crystalline porous aromatic frameworks

Fig. 3

HRTEM characterization of COF-1 and MF-1a. a Low-dose, high-resolution TEM image of COF-1 (scale bar, 10 nm). b The Fourier-filtered image of selected red square areas (scale bar, 5 nm), Inset: Fast Fourier Transform (FFT) from the red square on the COF-1. c Low-dose, high-resolution TEM image of MF-1a (scale bar, 10 nm). d The Fourier-filtered image of the selected red square area (scale bar, 5 nm), Inset: FFT from the red square on the MF-1a

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