Platinum/manganese oxide nanocomposites as water-oxidizing catalysts: New findings and current controversies

Mohammad Mahdi Najafpour, Seyedeh Maedeh Hosseini, Małgorzata Hołyńska, Tatsuya Tomo, Suleyman Allakhverdiev

Research output: Contribution to journalArticle

31 Citations (Scopus)

Abstract

Herein we consider the role of platinum nanoparticles on water-oxidation catalyzed by manganese oxide. The nanocomposites were synthesized by two different methods and characterized by scanning electron microscopy, energy dispersive spectrometry, high resolution transmission electron microscopy, X-ray diffraction, Fourier transform infrared spectroscopy, and atomic absorption spectroscopy. Then, the water-oxidizing activities of these composites in the presence of cerium(IV) ammonium nitrate as a non-oxo transfer oxidant were studied. We compare these composites with other previously reported Mn oxides and also discuss the important factors influencing the water-oxidizing activities of Mn oxides.

Original languageEnglish
Pages (from-to)10825-10832
Number of pages8
JournalInternational Journal of Hydrogen Energy
Volume40
Issue number34
DOIs
Publication statusPublished - Mar 19 2015
Externally publishedYes

Fingerprint

platinum oxides
Manganese oxide
manganese oxides
Platinum
Nanocomposites
nanocomposites
catalysts
Catalysts
water
Water
Atomic spectroscopy
ammonium nitrates
Oxides
composite materials
oxides
Composite materials
Cerium
High resolution transmission electron microscopy
cerium
Absorption spectroscopy

Keywords

  • Catalyst
  • Heterogeneous
  • Manganese oxide
  • Platinum nanoparticles
  • Water oxidation

ASJC Scopus subject areas

  • Renewable Energy, Sustainability and the Environment
  • Fuel Technology
  • Condensed Matter Physics
  • Energy Engineering and Power Technology

Cite this

Platinum/manganese oxide nanocomposites as water-oxidizing catalysts : New findings and current controversies. / Najafpour, Mohammad Mahdi; Hosseini, Seyedeh Maedeh; Hołyńska, Małgorzata; Tomo, Tatsuya; Allakhverdiev, Suleyman.

In: International Journal of Hydrogen Energy, Vol. 40, No. 34, 19.03.2015, p. 10825-10832.

Research output: Contribution to journalArticle

Najafpour, Mohammad Mahdi ; Hosseini, Seyedeh Maedeh ; Hołyńska, Małgorzata ; Tomo, Tatsuya ; Allakhverdiev, Suleyman. / Platinum/manganese oxide nanocomposites as water-oxidizing catalysts : New findings and current controversies. In: International Journal of Hydrogen Energy. 2015 ; Vol. 40, No. 34. pp. 10825-10832.
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