Fig. 3: Characterization of HOF solution.
From: Hydrogen-bonded organic frameworks in solution enables continuous and high-crystalline membranes
2D 1H-1H NOESY spectra of a 5 mg HOF-BTB and b 5 mg amorphous BTB ligands in 560 μL DMSO-d6 solution. Tyndall effect of the solution with 5 mg/mL HOF-BTB (a inset) and amorphous BTB ligands (b inset) in DMF. c, d Cryo-transmission electron microscopy (Cryo-EM) images of 5 mg/mL HOF-BTB in DMF solution. Inset: Magnified TEM image of the red-boxed region. e Projection of a reconstructed 3D reciprocal lattice along c* direction.
