ic6b02062_si_002.cif (20.56 kB)
Confinement Effects of Metal–Organic Framework on the Formation of Charge-Transfer Tetrathiafulvalene Dimers
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posted on 2016-12-01, 23:03 authored by Ting Chen, Peng Huo, Jin-Le Hou, Jing Xu, Qin-Yu Zhu, Jie DaiThree
transition metal coordination polymers (CPs) based on the
redox-active dimethylthio-tetrathiafulvalene-bicarboxylate
(L) and 1,3-bi(4-pyridyl)propane (bpp) ligands, formulated as
[MnL(bpp)]n (1), [CdL(bpp)]n (2), and [Cd2L(bpp)2(H2O)(C2O4)0.5]n·n(ClO4)·n(H2O) (3),
are crystallographically characterized. Complexes 1 and 2 are isostructural 2-D polymers, and 3 features
an unusual 3-D metal–organic framework (MOF). The 3-D MOF is
constructed from tetranuclear cluster nodes built through the μ2-O bridge of the TTF ligand, which is first found for TTF
coordination polymers. It is found that the channel generated by the
3-D MOF exerts a confinement effect on the formation of TTF dimers.
The TTF dimers show strong intradimer interaction with partial electron
transfer or charge transfer, and hence, the Cd compound 3 has relatively good photocurrent response property in comparison
with that of 2-D Cd compound 2.
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confinement effectisostructural 2- D polymersComplexes 1Charge-Transfer Tetrathiafulvalene DimersO bridgeTTF dimersConfinement EffectsCd compound 3μ 2electron transfer3- D MOFH 2 OTTF ligandCPTTF coordination polymerstetranuclear cluster nodescharge transferintradimer interactiontransition metal coordination polymersphotocurrent response property3 features2- D Cd compound 2TTF dimers show
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