Abstract
AbstractIn recent years, chalcogenides have received a lot of attention because of their potential applications as photoelectric material. This work describes the synthesis of the quaternary seleniumstannates Cs2MnSnSe4 (1) and Rb2MnSnSe4 (2) using solvothermal methods. The structure of compound 1 consists of charge‐balanced Cs+ cation and one‐dimensional (1D) anion [MnSnSe4]n2− chain. Compound 2 possesses a unique two‐dimensional (2D) anion [MnSnSe4]n2− layer. It is noteworthy that the compounds exhibit a strong photocurrent response (ca. 45 μA/cm2 (1), ca. 80 μA/cm2 (2)). Moreover, methylene blue (MB) was investigated for its photocatalytic degradation properties. In order to better understand the relationship between optical properties and electronic structure, a theoretical study was conducted.
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