Journal
ACS APPLIED MATERIALS & INTERFACES
Volume 9, Issue 15, Pages 13406-13414Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acsami.6b12963
Keywords
metallo-supramolecular polymer; anhydrous proton conductivity; impedance; platinum(II); imidazole
Funding
- JST-CREST [JPMJCR1533]
- Grants-in-Aid for Scientific Research [16H00973] Funding Source: KAKEN
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One dimensional (1D) Pt(II)-based metallo-supramolecular polymer with carboxylic acids (polyPtC) was synthesized using a new asymmetrical ditopic ligand with a pyridine moiety bearing two carboxylic acids. The carboxylic acids in the polymer successfully served as apohosts for imidazole loaded in the polymer interlayer scaffold to generate highly ordered ID imidazole channels through the metallo-supramolecular polymer chains. The 1D structure of imidazole loaded polymer (polyPtC-Im) was analyzed in detail by thermogravimetric analysis, powder X-ray diffraction, scanning electron microscopy, Fourier transform infrared spectroscopy, and ultraviolet visible and photoluminescence spectroscopic measurements. PolyPtC-Im exhibited proton conductivity of 1.5 X 10(-5) S cm(-1) at 120 C-omicron under completely anhydrous conditions, which is 6 orders of magnitude higher than that of the pristine metallo-supramolecular polymer.
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