fig7

Figure 7. (A) Crystal structure of activated NUS-1 viewed along [010] direction and [001] direction^[70], Copyright 2014, American Chemical Society; (B) H₂DPDBP, and the packing views of LIFM-102 and LIFM-103^[109], Copyright 2022, Wiley-VCH; (C) H₄DPDBP, the two types of metal nodes, and the packing views along the a-axis and c-axis^[33], Copyright 2024, American Chemical Society; (D) Structural presentation of compound [Cu₄I₄(cis-bpype)₃(trans-bpype)]·3DMF^[125], Copyright 2017, American Chemical Society; (E) Scheme depicting the process of ligand exchange from bio-MOF-101 to bio-MOF-101-BCPPE^[121], Copyright 2018, Royal Society of Chemistry; (F) Simulated SURMOF-2 structure and oxidative photocyclization reaction of trans-BCPPE in SURMOF-2^[122], Copyright 2018, Wiley-VCH. NUS: National University of Singapore; H₂DPDBP: 4’,4’’’-(2,2-diphenylethene-1,1-diyl)bis([1,1’-biphenyl]-4-carboxylic acid); LIFM: Lehn Institute of Functional Materials; H₄DPDBP: 4’,4’’’-(2,2-bis(4-carboxyphenyl)ethene-1,1-diyl)bis(([1,1’-biphenyl]-4-carboxylic acid)); bpype: 1,2-diphenyl-1,2-bis(4-(pyridin-4-yl)phenyl)ethene; DMF: N,N-dimethylformamide; bio-MOF: biological metal–organic frameworks; BCPPE: (E)-4’,4’’’-(1,2-diphenylethene-1,2-diyl)bis([1,1’-biphenyl]-4-carboxylic acid); SURMOF: surface grown metal–organic framework.