Abstract
In order to systematically explore the photocatalytic activity of the inorganic–organic supramolecular polymers induced by 1,1′-(1,n-alkylidene)bis[4-methylpyridinium] (n=1–2) cations, two novel cation-induced compounds, {(bmpm) [Cu2(SCN)4]}n (bmpm=1,1′-methylenebis[4-methylpyridinium] (1) and {(bmpe) [Cu2(SCN)4]}n (bmpe=1,1′-(1,2-ethanediyl)bis[4-methylpyridinium] (2) were obtained and characterized by X-ray crystallography. Compound 1 has a 3D framework with the cations trapped within host network cavities. Compound 2 possesses an infinite 2D supramolecular polypseudorotaxane structure linked by bridging thiocyanate groups. The third-order NLO, optical band gaps and photocatalytic activities of 1 and 2 were also evaluated. Remarkably, both 1 and 2 exhibited good photocatalytic abilities.
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