Formation of ruthenium cluster on nanocrystalline tungsten trioxide

Y. Fujioka; J. Frantti; R.M. Nieminen; A. M. Asiri

doi:10.1021/jp310038a

Formation of ruthenium cluster on nanocrystalline tungsten trioxide

Y. Fujioka^*, J. Frantti, R.M. Nieminen, A. M. Asiri

^*Corresponding author for this work

Department of Applied Physics

King Abdulaziz University

Research output: Contribution to journal › Article › Scientific › peer-review

16 Citations (Scopus)

Abstract

Ruthenium (Ru)-modified (up to 1 wt %) tungsten trioxide (WO₃) samples were synthesized and characterized by X-ray diffraction, X-ray photoelectron spectroscopy (XPS), scanning and transmission electron microscopy, and Raman spectroscopy. Ru was found to form hexagonal clusters on {111} planes of the underlying WO₃ crystals with similar arrangement as is found in metal Ru. XPS revealed that the valence state of ruthenium corresponds to the oxidized state. Results indicate that bonding between Ru and oxygen of the crystal surfaces is a key factor for the cluster formation. No evidence for a crystalline ruthenium oxide or metal phase formation was found instead Ru atoms were bonded on oxygen on the WO₃ {111} planes.

Original language	English
Pages (from-to)	7506-7510
Number of pages	5
Journal	Journal of Physical Chemistry C
Volume	117
Issue number	15
DOIs	https://doi.org/10.1021/jp310038a
Publication status	Published - 18 Apr 2013
MoE publication type	A1 Journal article-refereed

Access to Document

10.1021/jp310038a

Cite this

@article{ef11d2a216ac4d8684c6c1fcedd567d7,

title = "Formation of ruthenium cluster on nanocrystalline tungsten trioxide",

abstract = "Ruthenium (Ru)-modified (up to 1 wt %) tungsten trioxide (WO3) samples were synthesized and characterized by X-ray diffraction, X-ray photoelectron spectroscopy (XPS), scanning and transmission electron microscopy, and Raman spectroscopy. Ru was found to form hexagonal clusters on {111} planes of the underlying WO3 crystals with similar arrangement as is found in metal Ru. XPS revealed that the valence state of ruthenium corresponds to the oxidized state. Results indicate that bonding between Ru and oxygen of the crystal surfaces is a key factor for the cluster formation. No evidence for a crystalline ruthenium oxide or metal phase formation was found instead Ru atoms were bonded on oxygen on the WO3 {111} planes.",

author = "Y. Fujioka and J. Frantti and R.M. Nieminen and Asiri, {A. M.}",

year = "2013",

month = apr,

day = "18",

doi = "10.1021/jp310038a",

language = "English",

volume = "117",

pages = "7506--7510",

journal = "Journal of Physical Chemistry C",

issn = "1932-7447",

publisher = "American Chemical Society",

number = "15",

}

TY - JOUR

T1 - Formation of ruthenium cluster on nanocrystalline tungsten trioxide

AU - Fujioka, Y.

AU - Frantti, J.

AU - Nieminen, R.M.

AU - Asiri, A. M.

PY - 2013/4/18

Y1 - 2013/4/18

N2 - Ruthenium (Ru)-modified (up to 1 wt %) tungsten trioxide (WO3) samples were synthesized and characterized by X-ray diffraction, X-ray photoelectron spectroscopy (XPS), scanning and transmission electron microscopy, and Raman spectroscopy. Ru was found to form hexagonal clusters on {111} planes of the underlying WO3 crystals with similar arrangement as is found in metal Ru. XPS revealed that the valence state of ruthenium corresponds to the oxidized state. Results indicate that bonding between Ru and oxygen of the crystal surfaces is a key factor for the cluster formation. No evidence for a crystalline ruthenium oxide or metal phase formation was found instead Ru atoms were bonded on oxygen on the WO3 {111} planes.

AB - Ruthenium (Ru)-modified (up to 1 wt %) tungsten trioxide (WO3) samples were synthesized and characterized by X-ray diffraction, X-ray photoelectron spectroscopy (XPS), scanning and transmission electron microscopy, and Raman spectroscopy. Ru was found to form hexagonal clusters on {111} planes of the underlying WO3 crystals with similar arrangement as is found in metal Ru. XPS revealed that the valence state of ruthenium corresponds to the oxidized state. Results indicate that bonding between Ru and oxygen of the crystal surfaces is a key factor for the cluster formation. No evidence for a crystalline ruthenium oxide or metal phase formation was found instead Ru atoms were bonded on oxygen on the WO3 {111} planes.

UR - http://www.scopus.com/inward/record.url?scp=84876591420&partnerID=8YFLogxK

U2 - 10.1021/jp310038a

DO - 10.1021/jp310038a

M3 - Article

AN - SCOPUS:84876591420

SN - 1932-7447

VL - 117

SP - 7506

EP - 7510

JO - Journal of Physical Chemistry C

JF - Journal of Physical Chemistry C

IS - 15

ER -

Formation of ruthenium cluster on nanocrystalline tungsten trioxide

Abstract

Access to Document

Other files and links

Fingerprint

OtaNano

Cite this

Formation of ruthenium cluster on nanocrystalline tungsten trioxide

Abstract

Access to Document

Other files and links

Fingerprint

Equipment

OtaNano

Cite this