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Cited by 2,317

The DOI matches its Crossref record; 3 of the 3 references it cites were found in a registry or an index.

Size matters: why nanomaterials are different

Roduner, Emil·2006·Chemical Society Reviews

Abstract

Gold is known as a shiny, yellow noble metal that does not tarnish, has a face centred cubic structure, is non-magnetic and melts at 1336 K. However, a small sample of the same gold is quite different, providing it is tiny enough: 10 nm particles absorb green light and thus appear red. The melting temperature decreases dramatically as the size goes down. Moreover, gold ceases to be noble, and 2-3 nm nanoparticles are excellent catalysts which also exhibit considerable magnetism. At this size they are still metallic, but smaller ones turn into insulators. Their equilibrium structure changes to icosahedral symmetry, or they are even hollow or planar, depending on size. The present tutorial review intends to explain the origin of this special behaviour of nanomaterials.

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Metadata

Authors
Roduner, E.
Venue
Chemical Society Reviews
Published
2006
Volume
35
Issue
7
Pages
583
ISSN
  • 0306-0012 (ISSN-L)
  • 1460-4744
OpenAlex
W2156043887
Cited by
2,317
References
3
FWCI
1.83
Type
journal article
Language
en
Open access
closed

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