Facile hydrothermal synthesis of InVO 4 microspheres and their visible-light photocatalytic activities

Tae Hoon Noh, Dong Wook Kim, Se Won Seo, In Sun Cho, Dong Hoe Kim, Hyun Soo Han, Kug Sun Hong

Research output: Contribution to journalArticlepeer-review

13 Citations (Scopus)

Abstract

Self-assembled three-dimensional InVO 4 microspheres consisting of nanoparticles were synthesized by a facile template-free hydrothermal method. The resulting InVO 4 microspheres had high crystallinity, and were of about 4.5 μm in diameter. The band-gap energy estimated from the main absorption edges of the UV-vis diffuse reflectance spectrum was 2.4 eV. Compared to the same material created via a solid-state reaction method, the InVO 4 microspheres exhibited enhanced photocatalytic activities in the degradation of Rhodamine B(RhB) under visible light irradiation, which was mainly attributed to their higher surface area, and improved light-absorbing ability resulting from their unique morphology and variation of their crystal structure.

Original languageEnglish
Pages (from-to)98-100
Number of pages3
JournalMaterials Letters
Volume72
DOIs
Publication statusPublished - 2012 Apr 1
Externally publishedYes

Keywords

  • Catalysts/catalysis
  • Hydrothermal synthesis
  • InVO4
  • Optical materials/properties
  • Photocatalysts/ photocatalysis

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

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