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Gold in a Metallic Divided State—From Faraday to Present‐Day Nanoscience
Author(s) -
Edwards Peter P.,
Thomas John Meurig
Publication year - 2007
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.200700428
Subject(s) - faraday cage , colloidal gold , nanotechnology , materials science , gold colloid , monolayer , nanoparticle , metal , laser light , laser , optics , physics , metallurgy , quantum mechanics , magnetic field
“ Very minute in their dimensions ” is how Faraday described the metal particles present in a fine dispersion of colloidal gold upon observing its interaction with red light 150 years ago (see picture for a laser‐light version of his experiment). This observation would come to serve as the basis for the modern nanoscience and nanotechnology of gold, including the use of gold nanoparticles in catalytic processes and the formation of self‐assembled monolayers.