Improvement of the Ir/IrO 2 pH electrode via hydrothermal treatment
作者: Dandan WangChi YangJinfeng XiaZhenhai XueDanyu JiangGuohong ZhouXiaohong ZhengHuiping ZhengYuansheng DuQiang Li
作者单位: 1East China Normal University
2Beijing Institute of Space Long March Vehicle
3Chinese Academy of Sciences
4Shanghai Institute of Technology
刊名: Ionics, 2017, Vol.23 (8), pp.2167-2174
来源数据库: Springer Journal
DOI: 10.1007/s11581-017-2058-1
关键词: Ir/IrO2 electrodesHydrothermal hydrationImprovementStabilityPotential drift
英文摘要: Several Ir/IrO2 pH electrodes were prepared by a cyclic thermal oxidation process via dip-coating in a concentrated solution of NaOH. A hydrothermal hydration treatment at 220 °C for 24 h was used to address the problematic potential drift that is common in Ir/IrO2 pH electrodes. The electrodes that were treated by the hydrothermal method exhibited good stability and high sensitivity compared to those that were hydrated at room temperature. The reasons for this improvement were investigated by Raman spectroscopy, X-ray photoelectron spectroscopy, and field emission scanning electron microscopy. The results suggested that the hydrothermally treated electrode had a more orderly crystal arrangement and a higher content of OH groups, which drove improvements...
原始语种摘要: Several Ir/IrO2 pH electrodes were prepared by a cyclic thermal oxidation process via dip-coating in a concentrated solution of NaOH. A hydrothermal hydration treatment at 220 °C for 24 h was used to address the problematic potential drift that is common in Ir/IrO2 pH electrodes. The electrodes that were treated by the hydrothermal method exhibited good stability and high sensitivity compared to those that were hydrated at room temperature. The reasons for this improvement were investigated by Raman spectroscopy, X-ray photoelectron spectroscopy, and field emission scanning electron microscopy. The results suggested that the hydrothermally treated electrode had a more orderly crystal arrangement and a higher content of OH groups, which drove improvements...
全文获取路径: Springer  (合作)
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来源刊物:
影响因子:1.674 (2012)

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关键词翻译
关键词翻译
  • hydrothermal 热液的
  • electrode 电极
  • photoelectron 光电子
  • hydration 水合酌
  • treatment 处理
  • microscopy 显微镜检查
  • drift 水平巷道
  • structure 构造
  • improvement 改良
  • hydrated 水合的