Solvothermal synthesis and efficient visible light-driven photocatalytic property of 2-D iodoargentate hybrid directed by solvated Fe(III) cation
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A Fe(III)-iodoargentate hybrid [Fe(DMSO) 6 ]Ag 10 I 13 ( 1 ) (DMSO = dimethyl sulfoxide) was prepared using a solvated Fe(III) complex cation [Fe(DMSO) 6 ] 3+ formed in-situ as the template under solvothermal conditions. It consists of a [Fe(DMSO) 8 ] 3+ complex cation and a 2-D [Ag 10 I 13 ] n 3n‒ layered anion. The 2-D [Ag 10 I 13 ] n 3n‒ anion is composed of ten crystallographically independent AgI 4 tetrahedral units through corner- and edge-sharing, which contains large circles of Ag 7 I 7 with cross sectional dimensions of 7.285 Å × 8.592 Å. Compound 1 exhibits rapid photocurrent response with steady current density of 4.83 µA·cm − 2 after e under visible light irradiation. It shows high photocatalytic activities in the degradation of MB with degradation ratio of 98.8% after light irradiation of 60 min.
