Fig. 1. (a) Schematic diagram for the synthesis of sp²c-CTF-4 and views of the corresponding refined 2D crystal structure; PXRD patterns of (b) sp²c-CTF-4@AA and (c) sp²c-CTF-4@AB; comparison between the experimental (black cross) and Pawley refined (red line) profiles, the simulated patterns for AA and AB stacking mode (blue line); (d) ¹³C CP/MAS solid-state NMR spectra of sp²c-CTF-4@AA and sp²c-CTF-4@AB.