Facile aqueous-phase synthesis of magnetic iron oxide nanoparticles to enhance the removal of iodine from water

Euiyoung Jung, Hyun June Moon, Tae Jin Park, Ki Wan Bong, Taekyung Yu

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

The conventional synthesis of highly crystalline metal oxide nanoparticles requires either a reaction temperature of more than 300 °C or very high pressure, thus making their production economically infeasible. Here we report a simple aqueous-phase strategy for the synthesis of single-crystal metal oxide nanoparticles. Highly crystalline Fe3O4 and Mn3O4 nanoparticles were synthesized via the heating of an aqueous solution containing a metal precursor, branched polyethyleneimine (BPEI), and hexylamine at 95 °C for 3 h. The synthesized nanoparticles were characterized by a single crystal structure and good crystallinity. In this synthesis method, BPEI acts as the major capping agent for the formation of nano-sized particles and hexylamine acts as a weak base increasing the pH of the reaction solution, thus allowing the sol-gel reaction to form metal oxide nanoparticles. The synthesized Fe3O4 nanoparticles could be used as an efficient adsorbent for iodine removal from aqueous solutions using electrostatic attraction.

Original languageEnglish
Pages (from-to)1847-1853
Number of pages7
JournalScience of Advanced Materials
Volume9
Issue number10
DOIs
Publication statusPublished - 2017 Oct 1

Fingerprint

Iodine
Iron oxides
Nanoparticles
Water
Metals
Oxides
Polyethyleneimine
Single crystals
Crystalline materials
Adsorbents
Sol-gels
ferric oxide
Electrostatics
Crystal structure
Heating
Temperature

Keywords

  • Aqueous-Phase Synthesis
  • Iodine Removing
  • Iron Oxide
  • Manganese Oxide
  • Nanoparticle

ASJC Scopus subject areas

  • Materials Science(all)

Cite this

Facile aqueous-phase synthesis of magnetic iron oxide nanoparticles to enhance the removal of iodine from water. / Jung, Euiyoung; Moon, Hyun June; Park, Tae Jin; Bong, Ki Wan; Yu, Taekyung.

In: Science of Advanced Materials, Vol. 9, No. 10, 01.10.2017, p. 1847-1853.

Research output: Contribution to journalArticle

Jung, Euiyoung ; Moon, Hyun June ; Park, Tae Jin ; Bong, Ki Wan ; Yu, Taekyung. / Facile aqueous-phase synthesis of magnetic iron oxide nanoparticles to enhance the removal of iodine from water. In: Science of Advanced Materials. 2017 ; Vol. 9, No. 10. pp. 1847-1853.
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