![](/images/graphics-bg.png)
Characterization and Modification of Mesoporous Silica Nanoparticles Prepared by Sol-Gel
Joint Authors
Ahmad, Norhayati
Keshavarz, Meysam
Source
Issue
Vol. 2013, Issue 2013 (31 Dec. 2013), pp.1-4, 4 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2013-09-25
Country of Publication
Egypt
No. of Pages
4
Main Subjects
Engineering Sciences and Information Technology
Chemistry
Abstract EN
Mesoporous silica nanoparticles (MSNs) were synthesized by sol-gel reaction at normal pressure by using TEOS as a silica source and CTAB as a directing agent in ammonia solution at 323 K subsequently calcined at 823 K.
Then inorganic pores were modified with metal-supported MSN with attention to the acidity, surface area, pore size, and ability of ion exchange.
Crystalline size was shown to decrease up to 20 molar ratios of Si/Al followed by increasing while further adding nanoparticles-aluminium.
Moreover, the XRD patterns revealed the mesostructured material for all with 2D hexagonal structure.
The obtained results from the XRD patterns were confirmed by using BET and EDX.
The BET surface areas revealed the spherical shape for all samples with a decrease in the pore volume and surface area for various AlMSNs which emphasized that the loading of Al and was compatible with XRD results.
MSN was prepared by sol-gel methods followed by loading of Al in order to prepare AlMSN which possess strong Lewis acidic sites.
This modification occurred by using various molar ratios of 0, 5, 10, 20, 50, and 100 Si/Al, respectively.
The XRD patterns of various ratios of Si/Al were interpreted in terms of strain, nanocrystalline size, and distribution of the particle size by deriving Wiliamson Hall equation.
American Psychological Association (APA)
Keshavarz, Meysam& Ahmad, Norhayati. 2013. Characterization and Modification of Mesoporous Silica Nanoparticles Prepared by Sol-Gel. Journal of Nanoparticles،Vol. 2013, no. 2013, pp.1-4.
https://search.emarefa.net/detail/BIM-446509
Modern Language Association (MLA)
Keshavarz, Meysam& Ahmad, Norhayati. Characterization and Modification of Mesoporous Silica Nanoparticles Prepared by Sol-Gel. Journal of Nanoparticles No. 2013 (2013), pp.1-4.
https://search.emarefa.net/detail/BIM-446509
American Medical Association (AMA)
Keshavarz, Meysam& Ahmad, Norhayati. Characterization and Modification of Mesoporous Silica Nanoparticles Prepared by Sol-Gel. Journal of Nanoparticles. 2013. Vol. 2013, no. 2013, pp.1-4.
https://search.emarefa.net/detail/BIM-446509
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-446509