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. 2023 Jan 22;10(7):2203889. doi: 10.1002/advs.202203889

Figure 2.

Figure 2

a,b) Tetrahedral and c) triangular structures (orange polyhedron and blue triangle, respectively). These structures are shown online in c) ctn and d) bor. Reproduced with permission.[ 45 ] Copyright 2007, American Association for the Advancement of Science. f,g) Structure of CTF‐1, CTF‐TPC and CTF‐FL. Reproduced with permission.[ 55 , 56 ] Copyright 2015, The Royal Society of Chemistry. h–k) Rhomboid symmetry, interpenetrating structure and pore diameter, respectively. Reproduced with permission.[ 57 ] Copyright 2016, Wiley‐VCH. l) Unit cell of COF‐366. Reproduced with permission.[ 58 ] Copyright 2013, Elsevier Ltd.