Novel alkylimidazolium/vanadium pentoxide intercalation compounds with excellent adsorption performance for methylene blue

Aiguo Kong, Yong Jie Ding, Ping Wang, Heng Qiang Zhang, Fan Yang, Yong Kui Shan

Research output: Contribution to journalArticlepeer-review

20 Scopus citations

Abstract

Novel alkylimidazolium-intercalated V2O5 compounds were synthesized by a redox reaction between iodide ion and V2O 5. The X-ray photoelectron spectroscopy and the diffuse reflectance UVvis spectrometry experiments reveal that the vanadium in the intercalated V2O5 products was partially reduced by an iodide ion and the resultant iodine can be removed in the final products. The transmission electron microscope observation and X-ray diffraction analysis testify that the prepared alkylimidazolium/V2O5 intercalation compounds have typical lamellar structure with different d100 interlayer spacing values and the special straw-like nanofiber morphology with the length of 0.510 μm. Systematic investigation indicates that new intercalation compounds possess the extraordinary adsorption performance for methylene blue in an aqueous solution.

Original languageEnglish
Pages (from-to)331-336
Number of pages6
JournalJournal of Solid State Chemistry
Volume184
Issue number2
DOIs
StatePublished - Feb 2011

Keywords

  • Alkylimidazolium insertion
  • Ionic liquid
  • Methylene blue adsorption
  • VO

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