Fig. 2: Preparation and characterisation of dynaCOF-301.
From: Symmetry-breaking dynamics in a tautomeric 3D covalent organic framework
a Facile synthetic protocol of high-quality microcrystals with size control. b Well-defined morphology of the tetragonal-prismatic microcrystals (scale bar: 1 μm). c Statistic histogram of the crystal size distribution centred at 3 μm measured from the SEM image (inset). d Comparison of IR spectra of the hydrated sample with its starting materials. e Comparison of PXRD patterns of starting materials with the solvated, activated, and hydrated samples. f N2 adsorption isotherms at 77 K. g CH4 adsorption isotherms at 112 K. h CO2 adsorption isotherm at 195 K. i 1,4-Dioxane adsorption isotherm at 298 K. j H2O adsorption isotherm at 298 K for dynaCOF-301a (red) compared with dynaCOF-300 (blue). k Comparison of PXRD patterns for dynaCOF-301a exposed to various organic vapours and water.
