Hydrogen production from gas phase photocatalytic decomposition of methanol using Pt-supported nanocrystalline WO3 films

Shivaji B. Sadale, Kei Noda, Kei Kobayashi, Kazumi Matsushige

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

Nanocrystalline uniform thin films of WO3 were fabricated by polymer assisted deposition (PAD) varying the polymer concentration in the precursor solution and the calcination temperature with controlled heating rate. The precursor solution was prepared using peroxo-tungstic acid and polyethylene glycol (PEG300) in water. The microstructure and morphology of the WO3 thin films were studied by the XRD, AFM techniques. Nanocrystalline thin films were obtained with 20% of polyethylene glycol (PEG300) and at a calcination temperature of 350 °C. The hydrogen generation process on platinized WO3 specimens was investigated using a six channel quadrupole mass spectrometer at a real-time scale with gaseous methanol under visible (400-700 nm), UVA (300-400 nm), and UVB (240-300 nm) light illumination. The use of WO3 as photocatalyst opens the way for solar light powered photocatalytic hydrogen production.

Original languageEnglish
Pages (from-to)552-554
Number of pages3
JournalPhysica Status Solidi (C) Current Topics in Solid State Physics
Volume8
Issue number2
DOIs
Publication statusPublished - 2011 Feb
Externally publishedYes

Fingerprint

hydrogen production
methyl alcohol
vapor phases
decomposition
roasting
glycols
polyethylenes
thin films
polymers
mass spectrometers
quadrupoles
illumination
atomic force microscopy
microstructure
acids
heating
temperature
hydrogen
water

Keywords

  • Gas phase
  • Hydrogen production
  • Photocatalysis
  • Tungsten trioxide

ASJC Scopus subject areas

  • Condensed Matter Physics

Cite this

Hydrogen production from gas phase photocatalytic decomposition of methanol using Pt-supported nanocrystalline WO3 films. / Sadale, Shivaji B.; Noda, Kei; Kobayashi, Kei; Matsushige, Kazumi.

In: Physica Status Solidi (C) Current Topics in Solid State Physics, Vol. 8, No. 2, 02.2011, p. 552-554.

Research output: Contribution to journalArticle

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