Bismuth(III) Stannate

Bismuth (III) stannate is a chemical compound with the molecular formula Bi2Sn2O7. It is composed of bismuth, tin, and oxygen atoms, with a 2:2:7 stoichiometric ratio.

Bismuth(III) stannate is a crystalline solid with a structure that belongs to the pyrochlore group. The crystal lattice is made up of corner-sharing tetrahedra, where bismuth and tin cations are located at alternating vertices. Oxygen atoms occupy the remaining positions within the tetrahedra.

In terms of its properties, bismuth (III) stannate is an insulator with a bandgap of approximately 1.9 eV. It exhibits good thermal stability and can be synthesized using a variety of methods, including solid-state reactions and sol-gel processes.

Bismuth (III) stannate has potential applications in various fields, such as photocatalysis, gas sensing, and energy storage devices. For example, it has been explored as a photoanode material in dye-sensitized solar cells and as a catalyst for the degradation of organic pollutants in water.