Electrochemistry of tellurium(IV) in the basic aluminum chloride-1-methyl-3-ethylimidazolium chloride room temperature molten salt

Eric Gi Shong Jeng, I. Wen Sun

研究成果: Article同行評審

37 引文 斯高帕斯(Scopus)

摘要

The electrochemistry of Te(IV) chloride in basic aluminum chloride-1-methyl-3-ethylimidazolium chloride molten salt was investigated at a glassy carbon electrode at 30°C. Absorption spectroscopy and titration experiments suggest that tellurium(IV) chloride is complexed as [TeCl6]2- in these melts. [TeCl6]2- can be reduced to elemental tellurium via a four-electron process. The nucleation process for the electrodeposition of Te from reduction of [TeCl6]2- exhibits characteristics indicative of kinetic control. Elemental Te can be further reduced to a Te(-II) species which undergoes a reaction with Te(IV) to form Te. Elemental Te can also be electrodeposited from oxidation of Te(-II). This process proceeds via 3D progressive nucleation with diffusion-controlled growth. The average Stokes-Einstein products for [TeCl6]2- and Te(-II) species are 1.7 × 10-10 and 3.6 × 10-10 g cm s-2 K-1, respectively.

原文English
頁(從 - 到)2369-2374
頁數6
期刊Journal of the Electrochemical Society
144
發行號7
DOIs
出版狀態Published - 1997 七月

All Science Journal Classification (ASJC) codes

  • 電子、光磁材料
  • 可再生能源、永續發展與環境
  • 表面、塗料和薄膜
  • 電化學
  • 材料化學

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