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A Cu(I) based boron imidazolate framework for visible light driven CO2 reduction.

A new Cu(i) based boron imidazolate framework, Cu[BH(im)3] (BIF-105, im = imidazole), with a two-dimensional fes-type layer structure was designed and synthesized. The resulting BIF-105 exhibited efficient photocatalytic performance for CO2 reduction with an evolution rate of 933 μmol g-1 h-1 and a selectivity of 83.4% for CO under visible light irradiation, with [Ru(bpy)3]Cl2 as the light absorber and triethanolamine as a sacrificial agent.