Demonstrates the synthesis of a Zr-substituted compound with excellent proton conductivity, indicating its potential applications in energy devices.
A one-dimensional chainlike Zr-substituted phosphotungstate {[NH₂(CH₃)₂]₈H₆[(Zr₂O₄)P₂W₁₆O₆₀]·10H₂O}n (1), was synthesized via a conventional aqueous solution method, employing the hexavacant Dawson-type precursor [H₂P₂W₁₂O₄₈]¹²⁻. Compound 1 features a rare divacant [P₂W₁₆O₆₀]¹⁴⁻ building unit, interconnected into a one-dimensional sinusoidal chain structure through the {Zr₂O₄} connectors. This compound demonstrates excellent proton conductivity, achieving a high conductivity of 5.30 × 10⁻³ S·cm⁻¹ at 348 K.
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Zhang et al. (2026) studied this question.
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