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Quantitative 3D evolution of colloidal nanoparticle oxidation in solution

Journal Article · · Science
 [1];  [2];  [3];  [3];  [3];  [3]
  1. Department of Chemistry, Temple University, 1901 North 13th Street, Philadelphia, PA 19122, USA.
  2. X-ray Science Division, Advanced Photon Source, Argonne National Laboratory, 9700 South Cass Avenue, Argonne, IL 60439, USA.
  3. Center for Nanoscale Materials, Argonne National Laboratory, 9700 South Cass Avenue, Argonne, IL 60439, USA.

Watching nanomaterials transform in time

Real-time analysis of chemical transformations of nanoparticles is usually done with electron microscopy of a few particles. One limitation is interference by the electron beam. Sun et al. monitored the oxidation of iron nanoparticles in solution by using small- and wide-angle x-ray scattering and molecular dynamics simulations (see the Perspective by Cadavid and Cabot). These methods revealed the formation of voids within the nanoparticles, diffusion of material into and out of the nanoparticles, and ultimately the coalescence of the voids.

Science , this issue p. 303 ; see also p. 245

Sponsoring Organization:
USDOE
Grant/Contract Number:
AC02-05CH11231; AC02-06CH11357
OSTI ID:
1436809
Alternate ID(s):
OSTI ID: 1374052
Journal Information:
Science, Journal Name: Science Journal Issue: 6335 Vol. 356; ISSN 0036-8075
Publisher:
American Association for the Advancement of Science (AAAS)Copyright Statement
Country of Publication:
United States
Language:
English

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