Abstract Nickel vanadium oxide (NiV2O6) nanoparticles have been successfully prepared via hydrothermal and solvothermal methods using ammonium metavandate and nickel nitrate as precursors. The variations in the solvents used and the concentrations of the precursors produce immense change in the properties of the material. The characterization results revealed that the changes in structure, morphology, energy gap and functional group of NiV2O6 nanoparticles are highly related to their preparation conditions. Moreover, scanning electron microscopy (SEM) reveals the formation of nanorod like structures in hydrothermal treatment. The energy bandgaps are obtained by exploiting the Tauc relation and plotting the graph. A detailed description of solvent effect and its characteristic changes in concentration of the precursor are discussed.

中文翻译：

---

溶剂和前驱体浓度对 NiV2O6 纳米粒子性能的影响

摘要 以偏钒酸铵和硝酸镍为前驱体，通过水热法和溶剂热法成功制备了镍钒氧化物（NiV2O6）纳米颗粒。所用溶剂和前体浓度的变化会导致材料性质发生巨大变化。表征结果表明，NiV2O6纳米颗粒的结构、形貌、能隙和官能团的变化与其制备条件高度相关。此外，扫描电子显微镜 (SEM) 揭示了水热处理中纳米棒状结构的形成。能带隙是通过利用 Tauc 关系并绘制图形来获得的。详细描述了溶剂效应及其前体浓度的特征变化。