CO adsorption on Pd nanoparticles: density functional and vibrational spectroscopy studies
Article Abstract:
Study was conducted for adsorption of CO on nanosize Pd particles using density functional method and spectroscopically by means of infrared reflection absorption spectroscopy (IRAS) and sum frequency generation (SFG). The calculated results show that adsorption properties of rather small (111) and (001) cluster facets are similar to the properties of the corresponding ideal (infinite) Pd surfaces.
Publication Name: Journal of Physical Chemistry B
Subject: Chemicals, plastics and rubber industries
ISSN: 1520-6106
Year: 2003
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High-pressure studies of CO adsorption on Pd(111) by X-ray photoelectron spectroscopy and sum-frequency generation
Article Abstract:
High-pressure CO adsorption on palladium(Pd)(111) is examined by X-ray photoelectron spectroscopy(XPS) and vibrational sum frequency generation (SFG) from 200 to 400 K, and in a pressure range from 10(super -6) to 1 mbar. Even in the millibar regime both methods indicated that CO adsorbed in "regular" adsorption sites such as hollow, bridge, and on-top.
Publication Name: Journal of Physical Chemistry B
Subject: Chemicals, plastics and rubber industries
ISSN: 1520-6106
Year: 2003
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Surface reactivity of Pd nanoparticles supported on polycrystalline substrates as compared to thin film model catalysts: Infrared study of CO adsorption
Article Abstract:
A detailed comparative study of CO adsorption on two categories of oxide-supported palladium catalysts is discussed. The assignment of the CO vibrational frequencies to different types of sites on these systems has allowed a detailed structural characterization.
Publication Name: Journal of Physical Chemistry B
Subject: Chemicals, plastics and rubber industries
ISSN: 1520-6106
Year: 2004
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