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CSCD
Single crystals of a bismuth-based coordination polymer (CP) with carboxyl-thiol ligands, [Bi(C8H2O4S2)(C2H8N)]n (Bi-DSBDC-DMA, DMBDC = 2,5-disulfur-1,4-dicarboxylate, DMA = dimethylamine), have been successfully synthesized. X-ray diffraction analysis reveals that Bi-DSBDC-DMA possesses a layered structure, with two-dimensional (2D) Bi-DSBDC networks alternating with layers composed of dimethylamine ions. This material demonstrates semiconducting properties, featuring an optical bandgap of 2.2 eV and an electrical conductivity of 2 × 10−8 S/cm. Furthermore, electrodes based on this material exhibit a capacity of 250 mAh/g after 200 cycles for lithium-ion storage.
This work was financially supported by the Research Projects of Department of Education of Guangdong Province (No. 2023KTSCX319), and the National Natural Science Foundation of China (No. 92372114).