Abstract
Herein, we report the synthesis of a Mn(II)‐based coordination polymer (CP); and its structure, phase consistency and thermal stability have been established by single‐crystal X‐ray diffraction (SCXRD), powder X‐ray diffraction (PXRD) and thermalgravimetric analysis (TGA) respectively. This is the first example of paramgnetic Mn(II)‐based CP that acts as pH‐dependent emitting material [lem= 525 nm (pH = 2.0‐4.0) and 450 nm (pH = 5.0‐12.0)]. Its emission is quenched by Pd2+ in aqueous medium in presence of other thirteen cations with reasonably low pH‐dependent limits of detection (LODs) [21.178 ppb (pH= 3), 15.005 ppb (pH = 7.0) and 59.940 ppb (pH = 10.0)] as described by well‐established mechanism. Therefore, urgency of such stable sensor remains high in regard to the environmental pollution.
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