Oriented Nanoporous Lamellar Organosilicates Templated from Topologically Unsymmetrical Dendritic-Linear Block Copolymers

Oriented Nanoporous Lamellar Organosilicates Templated from Topologically Unsymmetrical Dendritic-Linear Block Copolymers

Dendrimers between the sheets: Environmentally responsive dendritic‐linear block copolymers, based on poly(ethylene oxide) and a dendron derived from 2,2′‐bis(hydroxymethyl)propionic acid (see structure), were used to organize organosilicate vitrificates into nanostructured lamellar morphologies. Up...

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Veröffentlicht in:Angewandte Chemie International Edition 2005-11, Vol.44 (46), p.7574-7580
Hauptverfasser: Magbitang, Teddie, Lee, Victor Y., Cha, Jennifer N., Wang, Hsiao-Lin, Chung, W. Richard, Miller, Robert D., Dubois, Geraud, Volksen, Willi, Kim, Ho-Cheol, Hedrick, James L.
Format: Artikel
Sprache:eng
Schlagworte:
dendrimers
Dendrimers - chemistry
hybrids
lamellar morphology
Molecular Structure
Nanostructures - chemistry
organosilicates
Organosilicon Compounds - chemical synthesis
Organosilicon Compounds - chemistry
Particle Size
Polymers - chemical synthesis
Polymers - chemistry
Porosity
Surface Properties
template synthesis
Time Factors
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Zusammenfassung:Dendrimers between the sheets: Environmentally responsive dendritic‐linear block copolymers, based on poly(ethylene oxide) and a dendron derived from 2,2′‐bis(hydroxymethyl)propionic acid (see structure), were used to organize organosilicate vitrificates into nanostructured lamellar morphologies. Upon thermolysis of the template, a perforated porous lamellar structure (4 nm) between organosilicate sheets (6–9 nm) was obtained.
ISSN:1433-7851
1521-3773
DOI:10.1002/anie.200501577