Journal
ACS APPLIED MATERIALS & INTERFACES
Volume 8, Issue 25, Pages 16154-16159Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acsami.6b03073
Keywords
coordination chemistry; metal-organic framework; doping; charge-transfer complex; thin film; conductivity
Funding
- [MOE2014-T3-1-004]
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The coordination chemistry between copper acetate [Cu-2(OAc)(4)] and 5,10,15,20-tetra-4-pyridyl-21H,23H-porphine (porphyrin, H2TPyP) is found to give rise to either a 2D metal-organic framework (MOP) [Cu(TPyP)-Cu-2(O2CCH3)(4)] or a 3D MOF [Cu(TPyP)CuCl2]center dot 2.5TCE. 7H(2)O], depending on the choice of solvent. The 2D MOF can be made into a film, which was doped with 7,7,8,8-tetracyanoquinodimethane (TCNQ), and the electrical conductivity of the thin film was increased by 3 orders of magnitude with respect to that of the undoped Cu-MOF. The formation of a charge-transfer complex between TCNQ and the 2D Cu-MOF also imparts stronger paramagnetic properties than for the undoped MOF.
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