无机盐工业
主管:中海油天津化工研究设计院有限公司
主办:中海油天津化工研究设计院有限公司
   中海油炼油化工科学研究院(北京)有限公司
   中国化工学会无机酸碱盐专业委员会
ISSN 1006-4990 CN 12-1069/TQ

无机盐工业 ›› 2020, Vol. 52 ›› Issue (10): 84-87.doi: 10.11962/1006-4990.2020-0076

• 研究与开发 • 上一篇    下一篇

钙钛矿中空结构CoSn(OH)6纳米粉体的制备与表征

李兆1(),孙强强2   

  1. 1.西安航空学院材料工程学院,陕西西安 710077
    2.陕西省尾矿资源综合利用重点实验室(商洛学院)
  • 收稿日期:2020-04-24 出版日期:2020-10-10 发布日期:2020-11-24
  • 作者简介:李兆(1986— ),男,博士,副教授,主要从事无机功能材料的制备;E-mail: pylizhao@163.com
  • 基金资助:
    西安市科技计划项目(GXYD9.2);国家自然科学基金项目(51474170)

Preparation and characterization of perovskite hollow structure CoSn(OH)6 nano-powder

Li Zhao1(),Sun Qiangqiang2   

  1. 1. School of Materials Engineering,Xi′an Aeronautical University,Xi′an 710077 China
    2. Shaaxi Key Laboratory of Comprehensive Utilization of Tailings Resources(Shangluo University)
  • Received:2020-04-24 Online:2020-10-10 Published:2020-11-24

摘要:

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。

关键词: 钙钛矿, 中空结构, 纳米CoSn(OH)6

Abstract:

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.

Key words: perovskite, hollow structure, CoSn(OH)6 nano-powder

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