Topology-guided functional multiplicity of iron(iii)-based metal–organic frameworks

Abstract

Several mesoporous iron(iii)-based mixed linker MOFs were synthesized; all exhibiting MIL-143 topology. This structure type is tolerant to variation in the functional groups (e.g. nitro and/or amino) along the linkers.

Standard Practices of Reticular Chemistry

“…Linear fits can be applied to the thermogravimetric thermal curve to extrapolate the temperatures of weight loss onset. 84 , 85 …”

Isoreticular chemistry of scandium analogues of the multicomponent metal–organic framework MIL-142

“…The geometry of the tricarboxylate linkers plays the major role in controlling whether the mesoporous or the interpenetrated phase forms, 47 but the size of the Sc 3+ ions may also play a part, as observed previously in related syntheses. 15 Interactions between the central ring (benzene, pyridine, triazine) and the benzoic acid groups are optimized, permitting TATB to attain a planar geometry, in contrast to the slightly out-of-plane geometry of BTB (Figure S12).…”

The Chemistry of Reticular Framework Nanoparticles: MOF, ZIF, and COF Materials

“…[143] Nevertheless, the possibilities to implement functionalities are huge: metallo-OBUs with catalytic activity, [144] fluorescence [42c,145] or chemiluminescent OBUs, [146] over biologic activity, [21h,147] conductivity, [148] all the way up to molecular rotors [149] addressing the challenge to interlock dynamic functionality into a rigid backbone [150] and multivariate functionality. [69,151] Multiple functionalities can be aperiodically incorporated into the periodic organic backbone of reticular materials which opens the door to synergistic properties. [152] All in all, the large diversity of both the IBUs and the OBUs has allowed for the synthesis of a huge number of different reticular materials; currently over 70 000 unique structures have been reported.…”

“…Furthermore, the solubility of the OBU may be compromised since increasing linker length is generally associated with decreasing solubility 143. Nevertheless, the possibilities to implement functionalities are huge: metallo‐OBUs with catalytic activity,144 fluorescence42c,145 or chemiluminescent OBUs,146 over biologic activity,21h,147 conductivity,148 all the way up to molecular rotors149 addressing the challenge to interlock dynamic functionality into a rigid backbone150 and multivariate functionality 69,151. Multiple functionalities can be aperiodically incorporated into the periodic organic backbone of reticular materials which opens the door to synergistic properties 152…”