Simple Directed Material Design Through in Situ Substitution of Proton with Cu~+ Ions

摘要

A new inorganic-organic hybrid material (C_(10)H_8N_2H)_2(Mo_8O_(26)) • 2NH_4 (1) was prepared under solvothermal conditions (H_2O/ethanol), which was then used as a starting material in the synthesis of another material, (C_(10)H_8N_2Cu)_2(Mo_8O_(26)) · 2NH_4 (2). Each compound has been characterized by single-crystal X-ray diffraction, X-ray powder diffraction, elemental analysis, thermogravimetric analysis, fluorescence, FT-IR, and bond valence sum calculations. The comparative study focuses on the transformation and structural change between 1 and 2, which arises from the simple substitution of the proton in 1 with the Cu~+ ions. The other surprising feature is that Cu~+ ions can not only directly be used to substitute the proton of 1 but also ameliorate its photoluminescence property. It means that 1 appears to have recognizable functional protons in the solid-state structure and, hence, can very well be considered as an ideal precursor agent to design the functional materials with special architectures and photoactive properties.