Electrocatalytic activity of atomic layer deposited Pt-Ru catalysts onto N-doped carbon nanotubes

A.-C. Johansson; J.V. Larsen; M.A. Verheijen; K.B. Haugshøj; H. Clausen; W.M.M. Kessels; L.H. Christensen; E.V. Thomsen

doi:10.1016/j.jcat.2014.01.001

Electrocatalytic activity of atomic layer deposited Pt-Ru catalysts onto N-doped carbon nanotubes

A.-C. Johansson, J.V. Larsen, M.A. Verheijen, K.B. Haugshøj, H. Clausen, W.M.M. Kessels, L.H. Christensen, E.V. Thomsen

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Abstract

Pt-Ru catalysts of various compositions, between 0 and 100 at.% of Ru, were deposited onto N-doped multi-walled carbon nanotubes (N-CNTs) by atomic layer deposition (ALD) at 250 C. The Pt and Ru precursors were trimethyl(methylcyclopentadienyl)platinum (MeCpPtMe3) and bis(ethylcyclopentadienyl)ruthenium (Ru(EtCp)2), respectively. O 2 was used as the reactant in both processes. The composition of the catalysts was easily tuned by varying the Pt-to-Ru ALD cycle ratio. The catalysts were tested toward the CO oxidation and methanol oxidation reaction (MOR) in a three-electrode electrochemical set-up. For the compositions investigated, the catalysts with a Ru content of 29 at.% exhibited highest catalytic activity. © 2014 Elsevier Inc. All rights reserved.

Original language	English
Pages (from-to)	481-486
Journal	Journal of Catalysis
Volume	311
DOIs	https://doi.org/10.1016/j.jcat.2014.01.001
Publication status	Published - 2014

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title = "Electrocatalytic activity of atomic layer deposited Pt-Ru catalysts onto N-doped carbon nanotubes",

abstract = "Pt-Ru catalysts of various compositions, between 0 and 100 at.% of Ru, were deposited onto N-doped multi-walled carbon nanotubes (N-CNTs) by atomic layer deposition (ALD) at 250 C. The Pt and Ru precursors were trimethyl(methylcyclopentadienyl)platinum (MeCpPtMe3) and bis(ethylcyclopentadienyl)ruthenium (Ru(EtCp)2), respectively. O 2 was used as the reactant in both processes. The composition of the catalysts was easily tuned by varying the Pt-to-Ru ALD cycle ratio. The catalysts were tested toward the CO oxidation and methanol oxidation reaction (MOR) in a three-electrode electrochemical set-up. For the compositions investigated, the catalysts with a Ru content of 29 at.% exhibited highest catalytic activity. {\textcopyright} 2014 Elsevier Inc. All rights reserved.",

author = "A.-C. Johansson and J.V. Larsen and M.A. Verheijen and K.B. Haugsh{\o}j and H. Clausen and W.M.M. Kessels and L.H. Christensen and E.V. Thomsen",

year = "2014",

doi = "10.1016/j.jcat.2014.01.001",

language = "English",

volume = "311",

pages = "481--486",

journal = "Journal of Catalysis",

issn = "0021-9517",

publisher = "Academic Press Inc.",

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TY - JOUR

T1 - Electrocatalytic activity of atomic layer deposited Pt-Ru catalysts onto N-doped carbon nanotubes

AU - Johansson, A.-C.

AU - Larsen, J.V.

AU - Verheijen, M.A.

AU - Haugshøj, K.B.

AU - Clausen, H.

AU - Kessels, W.M.M.

AU - Christensen, L.H.

AU - Thomsen, E.V.

PY - 2014

Y1 - 2014

N2 - Pt-Ru catalysts of various compositions, between 0 and 100 at.% of Ru, were deposited onto N-doped multi-walled carbon nanotubes (N-CNTs) by atomic layer deposition (ALD) at 250 C. The Pt and Ru precursors were trimethyl(methylcyclopentadienyl)platinum (MeCpPtMe3) and bis(ethylcyclopentadienyl)ruthenium (Ru(EtCp)2), respectively. O 2 was used as the reactant in both processes. The composition of the catalysts was easily tuned by varying the Pt-to-Ru ALD cycle ratio. The catalysts were tested toward the CO oxidation and methanol oxidation reaction (MOR) in a three-electrode electrochemical set-up. For the compositions investigated, the catalysts with a Ru content of 29 at.% exhibited highest catalytic activity. © 2014 Elsevier Inc. All rights reserved.

AB - Pt-Ru catalysts of various compositions, between 0 and 100 at.% of Ru, were deposited onto N-doped multi-walled carbon nanotubes (N-CNTs) by atomic layer deposition (ALD) at 250 C. The Pt and Ru precursors were trimethyl(methylcyclopentadienyl)platinum (MeCpPtMe3) and bis(ethylcyclopentadienyl)ruthenium (Ru(EtCp)2), respectively. O 2 was used as the reactant in both processes. The composition of the catalysts was easily tuned by varying the Pt-to-Ru ALD cycle ratio. The catalysts were tested toward the CO oxidation and methanol oxidation reaction (MOR) in a three-electrode electrochemical set-up. For the compositions investigated, the catalysts with a Ru content of 29 at.% exhibited highest catalytic activity. © 2014 Elsevier Inc. All rights reserved.

U2 - 10.1016/j.jcat.2014.01.001

DO - 10.1016/j.jcat.2014.01.001

M3 - Article

SN - 0021-9517

VL - 311

SP - 481

EP - 486

JO - Journal of Catalysis

JF - Journal of Catalysis

ER -

Electrocatalytic activity of atomic layer deposited Pt-Ru catalysts onto N-doped carbon nanotubes

Abstract

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