Please use this identifier to cite or link to this item: https://doi.org/10.1021/la047621g
Title: Preparation of supported mesoporous thin films concerning template removal by supercritical fluid extraction
Authors: Huang, L.
Poh, C.
Ng, S.C. 
Hidajat, K. 
Kawi, S. 
Issue Date: 15-Feb-2005
Citation: Huang, L., Poh, C., Ng, S.C., Hidajat, K., Kawi, S. (2005-02-15). Preparation of supported mesoporous thin films concerning template removal by supercritical fluid extraction. Langmuir 21 (4) : 1171-1174. ScholarBank@NUS Repository. https://doi.org/10.1021/la047621g
Abstract: Thin films of silicate MCM-41 and silicate MCM-48 have been prepared on porous ceramic supports by the hydrothermal method. A comparative study of template removal has been made on supported thin films and on powder. By supercritical fluid extraction (SFE) with CH 3OH-modified CO 2, at least 78% of the template can be removed from as-synthesized materials at 85°C. X-ray diffraction (XRD) observations indicate that the resulting supported thin films after SFE are structurally stable and ordered with a weak pore contraction. The advantages of SFE over calcination in template removal are presented with a series of results obtained on supported thin films and on powder by XRD and N 2 adsorption-desorption.
Source Title: Langmuir
URI: http://scholarbank.nus.edu.sg/handle/10635/89926
ISSN: 07437463
DOI: 10.1021/la047621g
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