Ordered mesoporous CoO(x)/MCM-41 materials exhibiting long-range self-organized nanostructured morphology
| dc.contributor.author | Katsoufidis, A. P. | en |
| dc.contributor.author | Petrakis, D. E. | en |
| dc.contributor.author | Armatas, G. S. | en |
| dc.contributor.author | Trikalitis, P. N. | en |
| dc.contributor.author | Pomonis, P. J. | en |
| dc.date.accessioned | 2015-11-24T16:43:28Z | |
| dc.date.available | 2015-11-24T16:43:28Z | |
| dc.identifier.issn | 1387-1811 | - |
| dc.identifier.uri | https://olympias.lib.uoi.gr/jspui/handle/123456789/8704 | |
| dc.rights | Default Licence | - |
| dc.subject | mcm-41 | en |
| dc.subject | cobalt oxide | en |
| dc.subject | self-assembly | en |
| dc.subject | pore anisotropy | en |
| dc.subject | morphosynthesis | en |
| dc.subject | molecular-sieve mcm-41 | en |
| dc.subject | hydrophilic block-copolymers | en |
| dc.subject | calcium-carbonate | en |
| dc.subject | reverse micelles | en |
| dc.subject | silica mcm-41 | en |
| dc.subject | baso4 fibers | en |
| dc.subject | solids | en |
| dc.subject | facile | en |
| dc.subject | co | en |
| dc.subject | superstructures | en |
| dc.title | Ordered mesoporous CoO(x)/MCM-41 materials exhibiting long-range self-organized nanostructured morphology | en |
| heal.abstract | A novel class of nanostructured silicious materials of MCM-41 type containing cobalt, CoO(x)/MCM-41. and exhibiting remarkable long-range self-organized morphology has been developed. The method of synthesis is a one step procedure and includes the use of poly-acrylic acid, complexed with CTAB by a zip-type mechanism, as a backbone of the structure. On the external surface of this mesostructure, hydrolysis of TEOS and Co(NO(3))(2) takes place at various pH values. The loading of cobalt (9 < Si/Co < 37) in the final solid can be controlled by the pH values at which the material is isolated in the range 5.5 < pH < 9.5. The isolated mesostructures, after drying (80 degrees C), as well as the resulting mesoporous solids after calcination (600 degrees C), exhibit remarkable self-organized morphology of the order of pm. In XRD, both the dried mesostructured as well as the calcined solids, exhibit typical patterns of MCM-41 type, which are blurred as the amount of cobalt increases. The surface area of those nanostructured mesoporous solids CoO(x)/MCM-41 was determined in the range 910-1250 m(2)/g by nitrogen porosimetry and their pore volume in the range 0.7-0.9 cm(3)/g. The pore diameter D was found to be around 3.1 nm while the pore anisotropy b = L/D, where L-the length of the pores, was determined in the range 15-380 depending on the sample. (c) 2006 Elsevier Inc. All rights reserved. | en |
| heal.access | campus | - |
| heal.fullTextAvailability | TRUE | - |
| heal.identifier.primary | DOI 10.1016/j.micromeso.2006.01.001 | - |
| heal.identifier.secondary | <Go to ISI>://000238473200010 | - |
| heal.identifier.secondary | http://ac.els-cdn.com/S1387181106000096/1-s2.0-S1387181106000096-main.pdf?_tid=edafab1abc1d19d0147435e02f79d47d&acdnat=1333035532_febe52b15b3c1d17aee306b41393f6ac | - |
| heal.journalName | Microporous and Mesoporous Materials | en |
| heal.journalType | peer reviewed | - |
| heal.language | en | - |
| heal.publicationDate | 2006 | - |
| heal.publisher | Elsevier | en |
| heal.recordProvider | Πανεπιστήμιο Ιωαννίνων. Σχολή Θετικών Επιστημών. Τμήμα Χημείας | el |
| heal.type | journalArticle | - |
| heal.type.el | Άρθρο Περιοδικού | el |
| heal.type.en | Journal article | en |
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