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Identification of active sites in CO oxidation and water-gas shift over supported Pt catalysts

Ding, Kunlun, Gulec, Ahmet, Johnson, Alexis M., Schweitzer, Neil M., Stucky, Galen D., Marks, Laurence D., Stair, Peter C.·2015·Science

Abstract

Comparing active site reactivity: Noble metal nanoparticles often exhibit behaviors distinct from atomic and bulk versions of the same material. Gold and platinum dispersed on metal oxide supports, for example, show remarkable low-temperature reactivity for carbon monoxide (CO) oxidation by oxygen or water. Ding et al. used infrared spectroscopy to identify CO adsorbed on isolated platinum atoms or nanoparticles dispersed on zeolite and oxide supports. Temperature-programmed desorption studies showed that CO reacted at much lower temperatures when adsorbed on nanoparticles versus on isolated metal atoms. Science , this issue p. 189

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Metadata

Authors
Ding, K., Gulec, A., Johnson, A. M., Schweitzer, N. M., Stucky, G. D., Marks, L. D., & Stair, P. C.
Venue
Science
Published
2015-10-09
Volume
350
Issue
6257
Pages
189-192
ISSN
  • 0036-8075 (ISSN-L)
  • 1095-9203
OpenAlex
W1853374276
Cited by
1,272
References
1
FWCI
26.65
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Identification of active sites in CO oxidation and water-gas shift over supported Pt catalysts. https://app.cochat.ai/papers/10.1126/science.aac6368
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Ding, K., Gulec, A., Johnson, A. M., Schweitzer, N. M., Stucky, G. D., Marks, L. D., & Stair, P. C. (2015). Identification of active sites in CO oxidation and water-gas shift over supported Pt catalysts. Science. https://doi.org/10.1126/science.aac6368

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