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Multifunctional and Low-Density Inorganic Nanocomposites DANIEL M. DABBS1,2
 

Summary: Multifunctional and Low-Density Inorganic Nanocomposites
DANIEL M. DABBS1,2
and ILHAN A. AKSAY1,3
1.--Department of Chemical and Biological Engineering, Princeton University, Princeton,
NJ 08544, USA. 2.--e-mail: ddabbs@princeton.edu. 3.--e-mail: iaksay@princeton.edu
We summarize our recent studies on the use of low-density nanoporous silica
structures prepared through templating of a self-assembling disordered
liquid-crystalline L3 phase, as a matrix for use in numerous applications,
including sensing, optical data storage, drug release, and structural. The silica
matrix exhibits low density (0.5 g cm3
to 0.8 g cm3
for monoliths,
0.6 g cm3
to 0.99 g cm3
for fibers) coupled with high surface areas (up
1400 m2
g1
) and void volumes (65% or higher). High-surface-area coatings
are used to increase the sensitivity of mass-detecting quartz crystal micro-
balances to over 4000 times that of uncoated crystals. Monoliths, films, and

  

Source: Aksay, Ilhan A. - Department of Chemical Engineering, Princeton University

 

Collections: Materials Science