The DOI matches its Crossref record; 1 of the 1 references it cites were found in a registry or an index.
Sum Frequency Generation and Catalytic Reaction Studies of the Removal of Organic Capping Agents from Pt Nanoparticles by UV−Ozone Treatment
Abstract
We report the structure of the organic capping layers of platinum colloid nanoparticles and their removal by UV−ozone exposure. Sum frequency generation vibrational spectroscopy (SFGVS) studies identify the carbon−hydrogen stretching modes on poly(vinylpyrrolidone) (PVP) and tetradecyl tributylammonium bromide (TTAB)-capped platinum nanoparticles. We found that the UV−ozone treatment technique effectively removes the capping layer on the basis of several analytical measurements including SFGVS, X-ray photoelectron spectroscopy, and diffuse reflectance infrared Fourier transform spectroscopy (DRIFTS). The overall shape of the nanoparticles was preserved after the removal of capping layers, as confirmed by transmission electron microscopy (TEM). SFGVS of ethylene hydrogenation on the clean platinum nanoparticles demonstrates the existence of ethylidyne and di-σ-bonded species, indicating the similarity between single-crystal and nanoparticle systems.
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Citations
Cites
Morphological Control of Catalytically Active Platinum Nanocrystals
Lee, H., Habas, S. E., Kweskin, S., Butcher, D., Somorjai, G. A., & Yang, P. (2006) · Angewandte Chemie International Edition · doi:10.1002/anie.200603068 · Cited by 659
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Cited by
Zhang, Z., Luo, Z., Chen, B., Wei, C., Zhao, J., Chen, J., Zhang, X., Lai, Z., Fan, Z., Tan, C., et al. (2016) · Advanced Materials · doi:10.1002/adma.201603075 · Cited by 382
Borodko, Y., Lee, H. S., Joo, S. H., Zhang, Y., & Somorjai, G. (2010) · The Journal of Physical Chemistry C · doi:10.1021/jp909008z · Cited by 113
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Metadata
- Authors
- Aliaga, C., Park, J. Y., Yamada, Y., Lee, H. S., Tsung, C.-K., Yang, P., & Somorjai, G. A.
- Venue
- The Journal of Physical Chemistry C
- Publisher
- American Chemical Society (ACS)
- Published
- 2009-02-20
- Volume
- 113
- Issue
- 15
- Pages
- 6150-6155
- ISSN
- 1932-7447 (ISSN-L)
- 1932-7455
- OpenAlex
- W1978726185
- Cited by
- 269
- References
- 1
- FWCI
- 7.54
- Type
- journal article
- Language
- en
- Open access
- closed
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