Title
New nano-architectures of mesoporous silica spheres analyzed by advanced electron microscopyNew nano-architectures of mesoporous silica spheres analyzed by advanced electron microscopy
Author
Faculty/Department
Faculty of Sciences. Chemistry
Faculty of Sciences. Physics
Research group
Electron microscopy for materials research (EMAT)
Laboratory of adsorption and catalysis
Publication type
article
Publication
Cambridge,
Subject
Physics
Chemistry
Engineering sciences. Technology
Source (journal)
Nanoscale / Royal Society of Chemistry. - Cambridge
Volume/pages
4(2012):5, p. 1722-1727
ISSN
2040-3364
ISI
000300433700051
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
Using template-containing silica microspheres as a precursor, novel ordered mesoporous silica nanoparticles with a narrow pore size distribution and high crystallinity have been synthesized by various hydrothermal merging processes. Several architectures like chains, dumbbells, triangles, squares and flowers have been discovered. The linking mechanisms of these interacting silica spheres leading to the formation of ordered nano-structures are studied by HRTEM, HAADF-STEM and electron tomography and a plausible model is presented for several merging processes.
E-info
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