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Nanoparticle‐Aerogel Composites: Nanoparticle–Loaded Aerogels and Layered Aerogels Cast from Sol–Gel Mixtures (Small 18/2011)
Author(s) -
Kim Jiwon,
Nakanishi Hideyuki,
Pollanen Johannes,
Smoukov Stoyan,
Halperin William P.,
Grzybowski Bartosz A.
Publication year - 2011
Publication title -
small
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.785
H-Index - 236
eISSN - 1613-6829
pISSN - 1613-6810
DOI - 10.1002/smll.201190066
Subject(s) - aerogel , materials science , nanoparticle , supercritical drying , composite material , sol gel , supercritical fluid , chemical engineering , casting , nanotechnology , organic chemistry , chemistry , engineering
The cover picture shows aerogels, in which different layers are loaded with different metal nanoparticles (Au: red; Ag: orange; Pd: gray). The particles are functionalized with hydroxy‐terminated alkane thiols and disperse well in sol–gel mixtures to give alcogels and, after supercritical drying, aerogels containing up to 90 wt% of nanoparticles. Layered or patterned nanoparticle–aerogel monoliths can be prepared by sequential casting or molding of the nanoparticle‐containg sol–gels, and can find uses in directing multistep catalytic reactions. For more information, please read the Communication “Nanoparticle‐Loaded Aerogels and Layered Aerogels Cast from Sol–Gel Mixtures” by B. A. Grzybowski and co‐workers, beginning on page 2568 .