TY  - JOUR
AU  - Popa, Alexandru
AU  - Borcanescu, Silvana
AU  - Holclajtner-Antunović, Ivanka
AU  - Bajuk-Bogdanović, Danica
AU  - Uskoković-Marković, Snežana
PY  - 2021
UR  - https://farfar.pharmacy.bg.ac.rs/handle/123456789/3726
AB  - In this study, the preparation of some large-pore ordered mesoporous silicas using a proper surfactant with different swelling agents was carried out. The synthesis of conventional SBA-15 was modified to obtain pore-expanded materials, with pore diameters up to 10 nm. To use a micelle swelling agent with a moderate swelling ability, three swelling agents were selected: 1-phenyl-decane (Dec), butyl benzene (BB), and mesitylene (Mes). These syntheses aimed to achieve a pore diameter enlargement but at the same time to avoid the formation of heterogeneous and/or poorly defined nanostructure of silica. The CO2 adsorbents were obtained by post-synthesis functionalization treatments carried out by grafting with 3-aminopropyl triethoxysilane. The CO2 adsorption/desorption experiments showed that carbon dioxide sorption capacities depend on the textural characteristics and the temperature used for the adsorption process. Good CO2 adsorption capacities were obtained for all prepared adsorbents, especially for SSBA-15-Mes-sil and SSBA-15-BB-sil samples. At 50 °C, the SSBA-15-Mes-sil sample has an adsorption capacity of 3.58 mmol CO2/g SiO2, and an efficiency of amino groups of 0.99 mmol CO2/mmol NH2. The results of adsorption capacities are comparable or even superior with the ones reported in literature for mesoporous silica functionalized with different amines. After nine adsorption–desorption cycles, the performance of the SSBA-15-Mes-sil adsorbent is relatively stable, with a low decrease in the adsorption capacity (0.1 mmol/g of CO2, i.e., 2.8% of initial capacity). These studies show the potential of mesoporous silica for carbon dioxide capture.
PB  - Springer Nature
T2  - Journal of Porous Materials
T1  - Preparation and characterisation of amino-functionalized pore-expanded mesoporous silica for carbon dioxide capture
VL  - 28
SP  - 143
EP  - 156
DO  - 10.1007/s10934-020-00974-1
ER  - 

@article{
author = "Popa, Alexandru and Borcanescu, Silvana and Holclajtner-Antunović, Ivanka and Bajuk-Bogdanović, Danica and Uskoković-Marković, Snežana",
year = "2021",
abstract = "In this study, the preparation of some large-pore ordered mesoporous silicas using a proper surfactant with different swelling agents was carried out. The synthesis of conventional SBA-15 was modified to obtain pore-expanded materials, with pore diameters up to 10 nm. To use a micelle swelling agent with a moderate swelling ability, three swelling agents were selected: 1-phenyl-decane (Dec), butyl benzene (BB), and mesitylene (Mes). These syntheses aimed to achieve a pore diameter enlargement but at the same time to avoid the formation of heterogeneous and/or poorly defined nanostructure of silica. The CO2 adsorbents were obtained by post-synthesis functionalization treatments carried out by grafting with 3-aminopropyl triethoxysilane. The CO2 adsorption/desorption experiments showed that carbon dioxide sorption capacities depend on the textural characteristics and the temperature used for the adsorption process. Good CO2 adsorption capacities were obtained for all prepared adsorbents, especially for SSBA-15-Mes-sil and SSBA-15-BB-sil samples. At 50 °C, the SSBA-15-Mes-sil sample has an adsorption capacity of 3.58 mmol CO2/g SiO2, and an efficiency of amino groups of 0.99 mmol CO2/mmol NH2. The results of adsorption capacities are comparable or even superior with the ones reported in literature for mesoporous silica functionalized with different amines. After nine adsorption–desorption cycles, the performance of the SSBA-15-Mes-sil adsorbent is relatively stable, with a low decrease in the adsorption capacity (0.1 mmol/g of CO2, i.e., 2.8% of initial capacity). These studies show the potential of mesoporous silica for carbon dioxide capture.",
publisher = "Springer Nature",
journal = "Journal of Porous Materials",
title = "Preparation and characterisation of amino-functionalized pore-expanded mesoporous silica for carbon dioxide capture",
volume = "28",
pages = "143-156",
doi = "10.1007/s10934-020-00974-1"
}

Popa, A., Borcanescu, S., Holclajtner-Antunović, I., Bajuk-Bogdanović, D.,& Uskoković-Marković, S.. (2021). Preparation and characterisation of amino-functionalized pore-expanded mesoporous silica for carbon dioxide capture. in Journal of Porous Materials
Springer Nature., 28, 143-156.
https://doi.org/10.1007/s10934-020-00974-1

Popa A, Borcanescu S, Holclajtner-Antunović I, Bajuk-Bogdanović D, Uskoković-Marković S. Preparation and characterisation of amino-functionalized pore-expanded mesoporous silica for carbon dioxide capture. in Journal of Porous Materials. 2021;28:143-156.
doi:10.1007/s10934-020-00974-1 .

Popa, Alexandru, Borcanescu, Silvana, Holclajtner-Antunović, Ivanka, Bajuk-Bogdanović, Danica, Uskoković-Marković, Snežana, "Preparation and characterisation of amino-functionalized pore-expanded mesoporous silica for carbon dioxide capture" in Journal of Porous Materials, 28 (2021):143-156,
https://doi.org/10.1007/s10934-020-00974-1 . .