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Influence of Synthesis Conditions on Morphological Features of the SBA-15 Containing Only Elongated and Rounded/Spherical Grains

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2018
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Authors
Kokunesoski, Maja
Baščarević, Zvezdana
Rakocević, Zlatko
Šaponjić, Aleksandra
Saponjic, Đorđe
Jordanov, Dragana
Babić, Biljana M.
Article (Published version)
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Abstract
Mesoporous silica SBA-15 materials of high specific surface area (similar to 700 m(2) g(-1)) were synthesized by using block copolymer Pluronic P123 as template and tetraethoxysilane as silica source. The obtained materials were characterized by XRD, nitrogen adsorption desorption measurements, SEM, EDS and AFM analysis. It was found that small modifications of synthesis conditions influenced the morphological features of the synthesized SBA-15 samples. The SEM analysis had shown that the SBA-15 synthesized at lower temperature and longer time of reaction (80 degrees C, 48 h) provided elongated rod-shaped grains about 1 mu m long. The other sample synthesized at higher temperature and shorter time of reaction (100 degrees C, 24 h) had rounded grains and grains of regular spherical shape with diameters ranging from 0.5 to 2 mu m. The EDS analysis confirmed that the particles of both synthesized samples were of the SiO2 content. In addition, the AFM analysis had shown different surface m...orphologies of the materials synthesized under various conditions.

Keywords:
Synthesis conditions / Spherical grains / SBA-15 / Nanostructures / Mesoporous material
Source:
Science of Sintering, 2018, 50, 1, 111-121
Publisher:
  • Međunarodni Institut za nauku o sinterovanju, Beograd
Funding / projects:
  • Synthesis, processing and characterization of nanostructured materials for application in the field of energy, mechanical engineering, environmental protection and biomedicine (RS-45012)
  • Functional, Functionalized and Advanced Nanomaterials (RS-45005)
  • Hydrogen Energy - Research and Development of New Materials: Electrolytic Hydrogen Production, Hydrogen Fuel Cells, Isotope Effects (RS-172045)

DOI: 10.2298/SOS1801111K

ISSN: 0350-820X

WoS: 000429909100010

Scopus: 2-s2.0-85053925810
[ Google Scholar ]
1
URI
http://rimsi.imsi.bg.ac.rs/handle/123456789/1130
Collections
  • Radovi istraživača / Researchers’ publications
Institution/Community
Institut za multidisciplinarna istraživanja
TY  - JOUR
AU  - Kokunesoski, Maja
AU  - Baščarević, Zvezdana
AU  - Rakocević, Zlatko
AU  - Šaponjić, Aleksandra
AU  - Saponjic, Đorđe
AU  - Jordanov, Dragana
AU  - Babić, Biljana M.
PY  - 2018
UR  - http://rimsi.imsi.bg.ac.rs/handle/123456789/1130
AB  - Mesoporous silica SBA-15 materials of high specific surface area (similar to 700 m(2) g(-1)) were synthesized by using block copolymer Pluronic P123 as template and tetraethoxysilane as silica source. The obtained materials were characterized by XRD, nitrogen adsorption desorption measurements, SEM, EDS and AFM analysis. It was found that small modifications of synthesis conditions influenced the morphological features of the synthesized SBA-15 samples. The SEM analysis had shown that the SBA-15 synthesized at lower temperature and longer time of reaction (80 degrees C, 48 h) provided elongated rod-shaped grains about 1 mu m long. The other sample synthesized at higher temperature and shorter time of reaction (100 degrees C, 24 h) had rounded grains and grains of regular spherical shape with diameters ranging from 0.5 to 2 mu m. The EDS analysis confirmed that the particles of both synthesized samples were of the SiO2 content. In addition, the AFM analysis had shown different surface morphologies of the materials synthesized under various conditions.
PB  - Međunarodni Institut za nauku o sinterovanju, Beograd
T2  - Science of Sintering
T1  - Influence of Synthesis Conditions on Morphological Features of the SBA-15 Containing Only Elongated and Rounded/Spherical Grains
EP  - 121
IS  - 1
SP  - 111
VL  - 50
DO  - 10.2298/SOS1801111K
ER  - 
@article{
author = "Kokunesoski, Maja and Baščarević, Zvezdana and Rakocević, Zlatko and Šaponjić, Aleksandra and Saponjic, Đorđe and Jordanov, Dragana and Babić, Biljana M.",
year = "2018",
abstract = "Mesoporous silica SBA-15 materials of high specific surface area (similar to 700 m(2) g(-1)) were synthesized by using block copolymer Pluronic P123 as template and tetraethoxysilane as silica source. The obtained materials were characterized by XRD, nitrogen adsorption desorption measurements, SEM, EDS and AFM analysis. It was found that small modifications of synthesis conditions influenced the morphological features of the synthesized SBA-15 samples. The SEM analysis had shown that the SBA-15 synthesized at lower temperature and longer time of reaction (80 degrees C, 48 h) provided elongated rod-shaped grains about 1 mu m long. The other sample synthesized at higher temperature and shorter time of reaction (100 degrees C, 24 h) had rounded grains and grains of regular spherical shape with diameters ranging from 0.5 to 2 mu m. The EDS analysis confirmed that the particles of both synthesized samples were of the SiO2 content. In addition, the AFM analysis had shown different surface morphologies of the materials synthesized under various conditions.",
publisher = "Međunarodni Institut za nauku o sinterovanju, Beograd",
journal = "Science of Sintering",
title = "Influence of Synthesis Conditions on Morphological Features of the SBA-15 Containing Only Elongated and Rounded/Spherical Grains",
pages = "121-111",
number = "1",
volume = "50",
doi = "10.2298/SOS1801111K"
}
Kokunesoski, M., Baščarević, Z., Rakocević, Z., Šaponjić, A., Saponjic, Đ., Jordanov, D.,& Babić, B. M.. (2018). Influence of Synthesis Conditions on Morphological Features of the SBA-15 Containing Only Elongated and Rounded/Spherical Grains. in Science of Sintering
Međunarodni Institut za nauku o sinterovanju, Beograd., 50(1), 111-121.
https://doi.org/10.2298/SOS1801111K
Kokunesoski M, Baščarević Z, Rakocević Z, Šaponjić A, Saponjic Đ, Jordanov D, Babić BM. Influence of Synthesis Conditions on Morphological Features of the SBA-15 Containing Only Elongated and Rounded/Spherical Grains. in Science of Sintering. 2018;50(1):111-121.
doi:10.2298/SOS1801111K .
Kokunesoski, Maja, Baščarević, Zvezdana, Rakocević, Zlatko, Šaponjić, Aleksandra, Saponjic, Đorđe, Jordanov, Dragana, Babić, Biljana M., "Influence of Synthesis Conditions on Morphological Features of the SBA-15 Containing Only Elongated and Rounded/Spherical Grains" in Science of Sintering, 50, no. 1 (2018):111-121,
https://doi.org/10.2298/SOS1801111K . .

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