DOI: 10.1126/science.258.5086.1337. Linear Metal Nanostructures and Size Effects of Supported Metal Catalysts

Linear Metal Nanostructures and Size Effects of Supported Metal Catalysts

10.1126/science.258.5086.1337

Crossref journal-article

American Association for the Advancement of Science (AAAS)

Science (221)

Abstract

Nickel metal catalysts composed of nanometer by micrometer strips have been produced with solid-state microfabrication techniques. The strips are actually the edges of nickelcatalyst thin films, which are sandwiched between separating support layers, which are also nanometers thick. These linear nanostructures constitute well-defined and well-controlled catalytic entities that reproduce the size of traditional supported metal clusters in one dimension, thus separating size from total number of atoms in the catalyst. Examination of their catalytic activity showed that they duplicate the behavior of conventional supported clusters. A specific rate maximum was observed for the hydrogenolysis of ethane at a nanoscale dimension similar to the cluster size at which the rate is maximum in the case of the supported cluster studies, whereas the hydrogenation of ethylene shows no such size dependency. The results suggest that the surface-to-volume ratio or the number of atoms in the catalytic entity cannot be the source of these size effects and that either support effects or nonequilibrium surface structures are the determining factors.

Bibliography

Zuburtikudis, loannis, & Saltsburg, H. (1992). Linear Metal Nanostructures and Size Effects of Supported Metal Catalysts. Science, 258(5086), 1337â1339.

Authors 2

loannis Zuburtikudis (first)
Howard Saltsburg (additional)

References 12 Referenced 91

AVERBACK R.S. MATERIALS RESEARCH SOCIETY SYMPOSIUM PROCEEDINGS 206 (1991).
BARBIE, T.W., SPIE J 563: 1 (1985). / SPIE J (1985)
BOUDART, M, ADV CATAL 20: 153 (1969). (10.1016/S0360-0564(08)60271-0) / ADV CATAL (1969)
CHE, M, THE INFLUENCE OF PARTICLE-SIZE ON THE CATALYTIC PROPERTIES OF SUPPORTED METALS, ADVANCES IN CATALYSIS 36: 55 (1989). / ADVANCES IN CATALYSIS (1989)
MOLNAR, A, ADVANCES IN CATALYSIS 36: 329 (1989). / ADVANCES IN CATALYSIS (1989)
Sachdev A. paper presented at the American Institute of Chemical Engineers 1991 Annual Meeting Los Angeles November (1991).
SARKANY, A, STRUCTURE SENSITIVITY OF ETHANE HYDROGENOLYSIS ON NI CATALYSTS, REACTION KINETICS AND CATALYSIS LETTERS 12: 297 (1979). (10.1007/BF02064259) / REACTION KINETICS AND CATALYSIS LETTERS (1979)
SINFELT, J. H., JOURNAL OF CATALYSIS 24: 283 (1972). (10.1016/0021-9517(72)90072-3) / JOURNAL OF CATALYSIS (1972)
THOMAS, P.A., A SCANNING TUNNELING MICROSCOPY STUDY OF THE SURFACE-MORPHOLOGY OF SUPPORTED GOLD PARTICLES, JOURNAL OF VACUUM SCIENCE & TECHNOLOGY A-VACUUM SURFACES AND FILMS 8: 3653 (1990). (10.1116/1.576518) / JOURNAL OF VACUUM SCIENCE & TECHNOLOGY A-VACUUM SURFACES AND FILMS (1990)
VLACHOS, D.G., STRUCTURES OF SMALL METAL-CLUSTERS .1. LOW-TEMPERATURE BEHAVIOR, JOURNAL OF CHEMICAL PHYSICS 96: 6880 (1992). / JOURNAL OF CHEMICAL PHYSICS (1992)
Yates, D. J. C., Journal of the American Chemical Society 86: 2996 (1964). (10.1021/ja01069a007) / Journal of the American Chemical Society (1964)
ZUBURTIKUDIS I THESIS U ROCHESTER (1992).

Dates

Type	When
Created	18 years, 10 months ago (Oct. 5, 2006, 7:03 p.m.)
Deposited	1 year, 6 months ago (Feb. 6, 2024, 11:33 p.m.)
Indexed	2 months ago (June 27, 2025, 3:45 p.m.)
Issued	32 years, 9 months ago (Nov. 20, 1992)
Published	32 years, 9 months ago (Nov. 20, 1992)
Published Print	32 years, 9 months ago (Nov. 20, 1992)

Funders 0

None

BibTeX

@article{Zuburtikudis_1992, title={Linear Metal Nanostructures and Size Effects of Supported Metal Catalysts}, volume={258}, ISSN={1095-9203}, url={http://dx.doi.org/10.1126/science.258.5086.1337}, DOI={10.1126/science.258.5086.1337}, number={5086}, journal={Science}, publisher={American Association for the Advancement of Science (AAAS)}, author={Zuburtikudis, loannis and Saltsburg, Howard}, year={1992}, month=nov, pages={1337–1339} }

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