A new 3D organization of mesopores in oriented CTAB silica films
Article Abstract:
The high resolution electron microscopy (HRTEM) characterization of highly organized and textured CTAB (cetyltrimethylammonium bromide) templated films shows the formation of a 3D hexagonal structure due to the stabilization of a new phase that does not belong to the phase diagram of CTAB in water. The shrinkage of spin-coated films during the drying leads to weaker values of the c/a hexagonal ratio due to the constrained one-dimensional shrinkage of the films normal to the substrate plane.
Publication Name: Journal of Physical Chemistry B
Subject: Chemicals, plastics and rubber industries
ISSN: 1520-6106
Year: 2000
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General and simple approach for control cage and cylindrical mesopores, and thermal/hydrothermal stable frameworks
Article Abstract:
Highly ordered cage and cylindrical mesoporous silica monoliths (HOM) with two-dimensional and three-dimensional structures, mesopore volumes, and thick-walled frameworks were successfully fabricated by instant direct templating of lyotropic phases of copolymer. The structural findings of three-dimensional frameworks, transparent monoliths, and micropores combined with large cage and cylindrical-like mesopores find uses in material chemistry.
Publication Name: Journal of Physical Chemistry B
Subject: Chemicals, plastics and rubber industries
ISSN: 1520-6106
Year: 2005
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Single lanthanide-doped oxide nanoparticles as donors in fluorescence resonance energy transfer experiments
Article Abstract:
The lanthanide-ion doped oxide nanoparticles ([Y.sub.0.6]E[u.sub.0.4]V[O.sub.4] were used as donors in fluorescent resonance energy transfer (FRET) experiments. A comparison with simulations demonstrate that in the multiple donor-multiple acceptor configuration with a whole range of donor-acceptor distances, the most reliable estimation of FRET efficiency is the one based on the donor intensity in the presence and absence of acceptor.
Publication Name: Journal of Physical Chemistry B
Subject: Chemicals, plastics and rubber industries
ISSN: 1520-6106
Year: 2006
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