Particle-Size Dependent Heats of Adsorption of CO on Supported Pd Nanoparticles as Measured with a Single-Crystal Microcalorimeter | Sciact - CRIS-system of Boreskov Institute of Catalysis

Particle-Size Dependent Heats of Adsorption of CO on Supported Pd Nanoparticles as Measured with a Single-Crystal Microcalorimeter Full article

Journal

Physical Review B, Condensed Matter and Materials Physics (up to 2016)
ISSN: 1098-0121 , E-ISSN: 1550-235X

Output data

Year: 2010, Volume: 81, Number: 24, Article number : 241416(R), Pages count : 4 DOI: 10.1103/PhysRevB.81.241416

Tags

METAL NANOPARTICLES; MODEL CATALYSTS; CLUSTERS; PALLADIUM; KINETICS; CALORIMETRY; SURFACES

Authors

Fischer-Wolfarth Jan-Henrik ¹ , Farmer Jason A. ² , Flores-Camacho J.Manuel ¹ , Genest Alexander ³ , Yudanov Ilya V. ⁴ , Rösch Notker ³ , Campbell Charles T. ² , Schauermann Swetlana ¹ , Freund Hans-Joachim ¹

Affiliations

1	Fritz-Haber-Institut der Max-Planck-Gesellschaft, Faradayweg 4-6, 14195 Berlin, Germany
2	Department of Chemistry, University of Washington, Seattle, Washington 98195-1700, USA
3	Department Chemie and Catalysis Research Center, Technische Universität München, 85747 Garching, Germany
4	Boreskov Institute of Catalysis, Russian Academy of Sciences, 630090 Novosibirsk, Russia

Funding (5)

1	German Research Foundation
2	National Science Foundation	DGE-0504573
3	United States Department of Energy	DE-FG02-96ER14630
4	Verband der Chemischen Industrie
5	Robert Bosch Foundation

We present calorimetric measurements of the effect of cluster size on the adsorption enthalpy of carbon monoxide on Pd nanoclusters sized from 120 to 4900 Pd atoms per particle, which were grown in situ on a well-ordered Fe3O4/Pt(111) film. A substantial decrease in the initial heat of adsorption amounting to about 20–40 kJ mol−1 was observed on the smallest Pd nanoparticles as compared to the larger Pd clusters and the extended Pd(111) single-crystal surface. We discuss this effect in terms of the size-dependent properties of the Pd nanoparticles.

Fischer-Wolfarth J-H. , Farmer J.A. , Flores-Camacho J.M. , Genest A. , Yudanov I.V. , Rösch N. , Campbell C.T. , Schauermann S. , Freund H-J.
Particle-Size Dependent Heats of Adsorption of CO on Supported Pd Nanoparticles as Measured with a Single-Crystal Microcalorimeter

Physical Review B, Condensed Matter and Materials Physics (up to 2016). 2010. V.81. N24. 241416(R) :1-4. DOI: 10.1103/PhysRevB.81.241416 WOS Scopus РИНЦ OpenAlex ANCAN

Full text from publisher

Submitted:	May 8, 2010
Published print:	Jun 1, 2010
Published online:	Jun 30, 2010

≡ Web of science:	WOS:000279382900001
≡ Scopus:	2-s2.0-77956325732
≡ Elibrary:	15333204
≡ OpenAlex:	W2054844508
≡ Chemical Abstracts:	2010:848218
≡ Chemical Abstracts (print):	153:319417

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