fig1

Figure 1. Ligands for AIEgens-MOFs based on TPE derivatives. Drawn using ChemDraw. AIEgens: Aggregation-induced emission luminogens; MOFs: metal–organic frameworks; TPE: tetraphenylethylene; H₄TCPE: tetrakis(4-carboxyphenyl)ethylene; DPEB: 4,4’-(2,2-diphenylethene-1,1-diyl)dibenzoic acid; H₂BCTPE: (E)-4,4’-(1,2-diphenylethene-1,2-diyl)dibenzoic acid; ETTC: 4’,4’’’,4’’’’’,4’’’’’’’-(ethene-1,1,2,2-tetrayl)tetrakis(([1,1’-biphenyl]-4-carboxylic acid)); m-ETTC: 4’,4’’’,4’’’’’,4’’’’’’’-(ethene-1,1,2,2-tetrayl)tetrakis(([1,1’-biphenyl]-3-carboxylic acid)); H₂DPDBP: 4’,4’’’-(2,2-diphenylethene-1,1-diyl)bis([1,1’-biphenyl]-4-carboxylic acid); H₄DPDBP: 4’,4’’’-(2,2-bis(4-carboxyphenyl)ethene-1,1-diyl)bis(([1,1’-biphenyl]-4-carboxylic acid)); H₈ETTB: 4’,4’’’,4’’’’’,4’’’’’’’-(ethene-1,1,2,2-tetrayl)tetrakis(([1,1’-biphenyl]-3,5-dicarboxylic acid)); H₈TDPEPE: tetrakis[4-(3,5-dicarboxyphenylethynyl)phenyl]ethylene; H₄TPEEB: 4,4’,4’’-(((2-(4-((4-carboxyphenyl)ethynyl)phenyl)ethene-1,1,2-triyl)tris(benzene-4,1-diyl))tris(ethane-2,1-diyl))tribenzoic acid; BCPPE: (E)-4’,4’’’-(1,2-diphenylethene-1,2-diyl)bis([1,1’-biphenyl]-4-carboxylic acid); trans-BPYPE: (E)-1,2-diphenyl-1,2-bis(4-(pyridin-4-yl)phenyl)ethene; TPPE: 1,1,2,2-tetrakis(4-(pyridin-4-yl)phenyl)ethene; TPPYE: 1,1,2,2-tetrakis(4-(pyrimidin-5-yl)phenyl)ethene; TPBE: 1,1,2,2-tetrakis(4’-(pyridin-4-yl)-[1,1’-biphenyl]-4-yl)ethene; H₄TATZTPE: 4,4’,4’’,4’’’-(4,4’,4’’,4’’’-(ethene-1,1,2,2-tetrayltetrakis(benzene-4,1-diyl))tetrakis(1H-1,2,3-triazole-4,1-diyl))tetrabenzoic acid; TIPE: 1,1,2,2-tetrakis(4-(1H-imidazol-1-yl)phenyl)ethene; TTPE: 1,1,2,2-tetrakis(4-(1H-1,2,4-triazol-1-yl)phenyl)ethene; H₄TTPE: 1,1,2,2-tetrakis(4-(2H-tetrazol-5-yl)phenyl)ethene; H₄TPE4Pz: 1,1,2,2-tetrakis(4-(1H-pyrazol-4-yl)phenyl)ethene; H₈TPPE: 1,1,2,2-Tetrakis[4-phosphonophenyl]ethylene.