Pore shape and sorption behaviour in mesoporous ordered silica films
نویسندگان
چکیده
منابع مشابه
Pore shape and sorption behaviour in mesoporous ordered silica films1
Mesoporous silica films templated by pluronic P123 were prepared using spin and dip coating. The ordered cylindrical structure within the films deforms due to shrinkage during calcination. Grazing-incidence small-angle X-ray scattering (GISAXS) measurements reveal that both the unit cell and the cross section of the pores decrease in size, mainly normal to the surface of the substrate, leading ...
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Department of Biomaterials, Max Planck Institute of Colloids and Interfaces, Research Campus Golm, D-14424 Potsdam, Germany, Stranski Laboratory of Physical and Theoretical Chemistry, Technical University Berlin, Straße des 17. Juni 135, D-10623 Berlin, Germany, and Hamburger Synchrotronstrahlungslabor (HASYLAB), Deutsches Elektronen-Synchrotron (DESY), Notkestraße 85, D-22603 Hamburg, Germany....
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To use mesoporous silicas as low-k materials, the pore entrances must be really small to avoid diffusion of metals that can increase the dielectric constant of the low-k dielectric. In this paper we present a new method to narrow the pores of mesoporous materials through grafting of a cyclic-bridged organosilane precursor. As mesoporous material, the well-studied MCM-41 powder was selected to a...
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ژورنال
عنوان ژورنال: Journal of Applied Crystallography
سال: 2016
ISSN: 1600-5767
DOI: 10.1107/s1600576716013698