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Cited by 259

The DOI matches its Crossref record; 16 of the 16 references it cites were found in a registry or an index.

Fe2O3 Nanoparticle Structures Investigated by X-ray Absorption Near-Edge Structure, Surface Modifications, and Model Calculations

Chen, Lin X., Liu, Tao, Thurnauer, Marion C., Csencsits, Roseann, Rajh, Tijana·2002·The Journal of Physical Chemistry B
DOI 10.1021/jp025544x
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Abstract

The structures of Fe 2 O 3 nanoparticles with different sizes were investigated using Fe K-edge X-ray absorption near-edge structure (XANES) and the FEFF calculations, as well as surface modification with enediol ligands. The studies not only revealed the existence of under-coordinated Fe sites in the nanoparticles but also confirmed that these under-coordinated sites were located on the surface. Upon binding of enediol ligands, surface sites were restructured to octahedral sites. In particular, the nature of the surface defects and their correlation with the unique properties of the nanoparticles were discussed. Model calculations were conducted for Fe m O n ( m ≥ 1, n ≥ 4) clusters of various sizes centered at Fe sites with octahedral ( O h ), distorted octahedral ( C 3 v ) and tetrahedral ( T d ) coordination geometry using FEFF8.10 programs. The main features of the calculated spectra agree with the experimental results and were correlated to the density of states, the Fe coordination geometry, and the long-range order of the lattice.

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Metadata

Authors
Chen, L. X., Liu, T., Thurnauer, M. C., Csencsits, R., & Rajh, T.
Venue
The Journal of Physical Chemistry B
Publisher
American Chemical Society (ACS)
Published
2002-07-31
Volume
106
Issue
34
Pages
8539-8546
ISSN
  • 1520-5207 (ISSN-L)
  • 1520-6106
DOI
10.1021/jp025544x
OpenAlex
W2020318968
Cited by
259
References
16
FWCI
9.06
Type
journal article
Language
en
Open access
closed

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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