Abstract
AbstractPresented here is the solvothermal preparation of two luminescent coordination polymers (L‐CPs) based on the same mixed ligands, namely [Cd2(1,4‐NDC)2(dppe)] (1) and [Mn3(OH)2(1,4‐NDC)2(dppe)(H2O)] (2) (1,4‐NDCH2=1,4‐naphthalene dicarboxylic acid, dppe=1,3‐di(4‐pyridyl)propane). Both the title compounds feature a neutral three‐dimensional (3D) network. Photoluminescence (PL) studies indicated that the compound 1 based on d10 Cd2+ exhibited dual emissions with tunable intensities that could result in direct white‐light emission based on the intraligand charge transfer (LLCT); while the compound 2 showed a single band of yellow emission based on the charge transfer between the ligands and the metal ion (LMCT), due to the partially filled d‐orbital of Mn2+ ion. The temperature‐dependent powder X‐ray diffraction patterns (PXRD) and PL spectra were further measured to identify their thermal stabilities. This work may provide a certain guiding significance for exploiting L‐CPs based on different metal ions.
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