Abstract

A new V-centered Keggin polyoxometalate-based inorganic-organic hybrid (HPpz)₃[VW₁₂O₄₀] (I) (Ppz = piperazine) has been hydrothermal synthesized and characterized by IR spectroscopy, UV−Vis spectroscopy, elemental analysis and single-crystal X-ray diffraction (CIF file CCDC no. 1835683). Compound I belongs to the rhombohedral space group \(R\bar {3}c\) and displays a three-dimensional supramolecular structure. The band gap energy value calculated for compound I was observed to be 1.30 eV using UV−Vis-NIR absorption spectrum. Furthermore, electrocatalytic performance of I has also been investigated in details.

中文翻译：

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Keggin型钨钒酸盐类杂化化合物：抗坏血酸的合成，晶体结构和电催化氧化

摘要

水热合成了一种新型的以V为中心的Keggin多金属氧酸盐基无机-有机杂化物（HPpz）₃ [VW ₁₂ O ₄₀ ]（I）（Ppz =哌嗪），并通过红外光谱，紫外可见光谱，元素分析和单峰表征-晶体X射线衍射（CIF文件CCDC号1835683）。化合物 I属于菱面体空间群\（R \ bar {3} c \），并显示三维超分子结构。使用UV-Vis-NIR吸收光谱，观察到针对化合物I计算的带隙能量值为1.30eV。此外，还详细研究了I的电催化性能。