钙钛矿结构材料在发光、催化等多种功能材料领域都占有重要地位,是当前材料科学领域的研究热点。以四氯化锡（SnCl₄）、无水乙醇（C₂H₆O）、二氯化钴（CoCl₂）、柠檬酸钠（Na₃C₆H₅O₇）为原料,通过溶剂辅助法制备了中空结构六羟基锡酸钴[CoSn（OH）₆]纳米粉体。通过X射线衍射仪（XRD）、扫描电子显微镜（SEM）、透射电子显微镜（TEM）、X射线光电子能谱（XPS）分别对产物六羟基锡酸钴粉体的物相结构及表观形貌进行了表征,线性扫描伏安法（LSV）对电极材料进行电催化性能测试。结果表明：采用溶剂辅助合成,可以成功制得物相纯净、粒度为150 nm的中空纳米立方结构的钙钛矿六羟基锡酸钴粉体,其电流密度为35.1 mA/cm²、塔菲尔斜率为72.5 mV/dec,有望用于电化学析氢反应。

Perovskite structural materials play an important role in the field luminous,catalytic and other functional materials,which is a hot spot of materials science research.Perovskite hollow structure CoSn（OH）₆ nano-powder by solvent-assisted method using SnCl₄,C₂H₆O,CoCl₂ and Na₃C₆H₅O₇ as raw material.The phase structure and surface morphology of the samples were characterized by powder X-ray diffraction （XRD）,scanning electron microscopy （SEM）,transmission electron microscope（TEM） and X-ray photoelectron spectroscopy（XPS）.The electrocatalytic performances were tested by linear sweep voltammetry（LSV）.The results showed that the perovskite hollow structure CoSn（OH）₆ powder with pure phase and 150 nm particle size was successfully produced by solvent-assisted method.CoSn（OH）₆ nano-powder has a current of 35.1 mA/cm²and its Tafel slop is 72.5 mV/dec that is expected to be used in electrochemical hydrogen evolution.