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SBA-15

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Product Detail

Santa Barbara Amorphous-15 (SBA-15) is a highly stable mesoporous silica sieve developed by researchers at the University of California, Santa Barbara. Its framework of uniform, two-dimensional hexagonal (p6mm) pores — with a narrow pore-size distribution and unusually thick pore walls (3.1–6.4 nm) — gives SBA-15 its exceptional hydrothermal and mechanical stability, while a high internal surface area makes it an excellent support and host for catalysis, adsorption and separation, drug delivery, and advanced optics. SBA-15 pore diameters can be tuned across roughly 5–15 nm; ACS Material's SBA-15 typically shows a pore diameter of 6–11 nm.

ACS Material SBA-15 mesoporous silica, a fine white powder shown in a labeled sample bottle
ACS Material SBA-15 mesoporous silica — a calcined, ready-to-use white powder.
Key specifications at a glance
BET surface area≥ 550 m²/g
Pore diameter6–11 nm
Pore volume1.46 cm³/g
Particle size1–4 µm
Structure2D hexagonal (p6mm)
Crystallinity≥ 90%
AppearanceWhite powder
CAS No.7631-86-9
Preparation methodHydrothermal method
ConditionCalcined, ready to use

Mesoporous silica SBA-15 is synthesized under acidic conditions using the triblock copolymer Pluronic P123 (EO20PO70EO20) as the structure-directing template and tetraethoxysilane (TEOS) as the silica source. After synthesis, the organic template can be removed by calcination, reflux extraction, H2O2 treatment, microwave digestion, or solvent washing. ACS Material's SBA-15 is calcined in air at 823 K for 6 hours, yielding a fine, white powder that is ready to use directly.

ACS Material provides the finest nanomaterials to commercial and academic research labs around the world, at the leading edge of biology, chemistry, physics, and engineering. CAS No.: 7631-86-9.

Key features

  • Uniform, ordered mesopores. A two-dimensional hexagonal p6mm channel structure with a narrow pore-size distribution for reproducible confinement and loading.
  • Tunable pore diameter (5–15 nm). Large, accessible mesopores accommodate sizable guest molecules, nanoparticles, and catalytic species.
  • Thick pore walls (3.1–6.4 nm). The hallmark of SBA-15 — delivering outstanding hydrothermal and mechanical stability versus thinner-walled mesoporous silicas.
  • High surface area (≥ 550 m²/g) and large pore volume (1.46 cm³/g) for high loading capacity and dispersion.
  • High comparative crystallinity (≥ 90%) with a well-resolved p6mm phase.
  • High purity. Na2O impurity below 0.1%.
  • Calcined and ready to use — the template is already removed; no additional activation required.

Characterizations

Typical properties of ACS Material SBA-15:

PropertyTypical value
AppearanceWhite powder
Particle size1–4 µm
Pore diameter6–11 nm
Pore volume1.46 cm³/g
BET surface area≥ 550 m²/g
Phasep6mm
Comparative crystallinity≥ 90%
BJH desorption cumulative pore volume0.6793 cm³/g
Bulk density0.067 g/cm³
Tap density0.145 g/cm³

This product is calcined and ready to use directly.

Typical SEM image of ACS Material mesoporous silica molecular sieve SBA-15 (1)
Typical SEM image of ACS Material mesoporous silica SBA-15 (1).
Typical SEM image of ACS Material mesoporous silica molecular sieve SBA-15 (2)
Typical SEM image of ACS Material mesoporous silica SBA-15 (2).
Typical XRD analysis of ACS Material mesoporous silica molecular sieve SBA-15
Typical XRD pattern of ACS Material mesoporous silica SBA-15.
Typical BET nitrogen adsorption analysis of ACS Material mesoporous silica molecular sieve SBA-15
Typical BET (N2 adsorption) analysis of ACS Material mesoporous silica SBA-15.

Applications

Documented in the peer-reviewed studies below, ACS Material SBA-15 has been used across a broad range of fields:

  • Catalyst support. A high-surface-area carrier for metal and metal-oxide catalysts — dry reforming of methane, soot combustion, hydrotreating, and fuel-cell electrocatalysts.
  • Hard template / structure director. A sacrificial template for replicating ordered mesoporous carbons and other nanostructures.
  • Drug delivery & controlled release. Loading and release of pharmaceuticals and cocrystals, with tunable release from the mesopore network.
  • Adsorption & water purification. Removal of herbicides (bentazone, glyphosate) and organic dyes from water when functionalized or paired with active phases.
  • CO2 capture & direct air capture. A support for amine- and polyethylenimine-based sorbents.
  • Confinement & separation studies. A model host for NMR, ESR, and small-angle scattering studies of nanoconfined fluids, water, and hydrocarbons.
  • Gas & thermal-energy storage. Nanoconfinement of hydrides and methane hydrates, and thermochemical heat-storage matrices.
  • Food, beverage & materials science. A fining agent for wines and a filler in functional composites and coatings.

FAQs

1. What is the final calcination temperature used during synthesis?

The material is calcined in air at 823 K for 6 hours to decompose the triblock copolymer, yielding the white SBA-15 powder. This is the typical method for preparing SBA-15.

2. What is the collapse temperature of SBA-15?

About 750 °C.

3. What are the impurity elements in SBA-15?

The impurity is Na2O, at a content below 0.1%.

4. Which method was used to measure pore volume?

A BET specific-surface-area (nitrogen adsorption) method; the instrument's own routine determines the pore volume.

5. Which BET method is used to calculate pore volume and BJH desorption cumulative pore volume?

Both are obtained from BET liquid-nitrogen adsorption measurements and are reported in the test results.

Publications using ACS Material SBA-15

SBA-15 from ACS Material has been cited across a broad range of peer-reviewed studies — including work published in Journal of the American Chemical Society, Biomaterials, Applied Catalysis B: Environmental, ACS Applied Materials & Interfaces, Food Chemistry, and the International Journal of Hydrogen Energy. A selection of these journal articles is listed below, ordered by journal impact.

1Hong, Junghyun, and Francisco Zaera. Interference of the Surface of the Solid on the Performance of Tethered Molecular Catalysts. Journal of the American Chemical Society 134, 13056–13065 (2012). DOI: 10.1021/ja304181q
2Jie Jin, Utkarsh Mangal, Ji-Young Seo, Ji-Yeong Kim, Jeong-Hyun Ryu, Young-Hee Lee, Cerjay Lugtu, Geelsu Hwang, Jung-Yul Cha, Kee-Joon Lee, Hyung-Seog Yu, Kwang-Mahn Kim, Sungil Jang, Jae-Sung Kwon, Sung-Hwan Choi. Cerium oxide nanozymes confer a cytoprotective and bio-friendly surface micro-environment to methacrylate based oro-facial prostheses. Biomaterials 296, 122063 (2023). DOI: 10.1016/j.biomaterials.2023.122063
3Marco Piumetti, Samir Bensaid, Nunzio Russo, Debora Fino. Nanostructured ceria-Based catalysts for soot combustion: Investigations on the surface sensitivity. Applied Catalysis B: Environmental 165, 742-751 (2015). DOI: 10.1016/j.apcatb.2014.10.062
4Kaleb Friedman, Miao Yu. Epoxide-Modified Diethylenetriamine for Ambient-Temperature Direct Air Capture. ACS Applied Materials & Interfaces 18, 3853-3862 (2026). DOI: 10.1021/acsami.5c21622
5Georgiana-Diana Dumitriu, Nieves López de Lerma, Camelia E. Luchian, Valeriu V. Cotea, Rafael A. Peinado. Study of the potential use of mesoporous nanomaterials as fining agent to prevent protein haze in white wines and its impact in major volatile aroma compounds and polyols. Food Chemistry 240, 751-758 (2018). DOI: 10.1016/j.foodchem.2017.07.163
6Jyoti Goel, Suddhasatwa Basu. Effect of support materials on the performance of direct ethanol fuel cell anode catalyst. International Journal of Hydrogen Energy 39, 15956-15966 (2014). DOI: 10.1016/j.ijhydene.2014.01.203
7Jabbari-Hichri, Amira, et al. Effect of aluminum sulfate addition on the thermal storage performance of mesoporous SBA-15 and MCM-41 materials. Solar Energy Materials and Solar Cells 149, 232–241 (2016). DOI: 10.1016/j.solmat.2016.01.033
8Huali Wang, Shuli Yan, Steven O. Salley, K.Y. Simon Ng. Support effects on hydrotreating of soybean oil over NiMo carbide catalyst. Fuel 111, 81-87 (2013). DOI: 10.1016/j.fuel.2013.04.066
9Mohammad Suhail Afzal, Faiza Zanin, Muhammad Usman Ghori, Marta Granollers, Enes Šupuk. The effect of mesoporous silica impregnation on tribo-electrification characteristics of flurbiprofen. International Journal of Pharmaceutics 544, 55-61 (2018). DOI: 10.1016/j.ijpharm.2018.03.059
10Sonia Fiorilli, Luca Rivoira, Giada Calì, Marta Appendini, Maria Concetta Bruzzoniti, Marco Coïsson, Barbara Onida. Iron oxide inside SBA-15 modified with amino groups as reusable adsorbent for highly efficient removal of glyphosate from water. Applied Surface Science 411, 457-465 (2017). DOI: 10.1016/j.apsusc.2017.03.206
11S. Hadi Madani, Ian Harvey Arellano, Jitendra P. Mata, Phillip Pendleton. Particle and cluster analyses of silica powders via small angle neutron scattering. Powder Technology 327, 96-108 (2018). DOI: 10.1016/j.powtec.2017.12.061
12M. C. Bruzzoniti, R. M. De Carlo, L. Rivoira, M. Del Bubba, M. Pavani, M. Riatti, B. Onida. Adsorption of bentazone herbicide onto mesoporous silica: application to environmental water purification. Environmental Science and Pollution Research 23, 5399-5409 (2016). DOI: 10.1007/s11356-015-5755-1
13Lydia Gkoura, Nikolaos Panopoulos, Marina Karagianni, George Romanos, Aris Chatzichristos, George Papavassiliou, Jamal Hassan, Michael Fardis. Investigation of Dynamic Behavior of Confined Ionic Liquid [BMIM]+[TCM]− in Silica Material SBA-15 Using NMR. International Journal of Molecular Sciences 24, 6739 (2023). DOI: 10.3390/ijms24076739
14Krzyżak, A.t., and I. Habina. Low field 1 H NMR characterization of mesoporous silica MCM-41 and SBA-15 filled with different amount of water. Microporous and Mesoporous Materials 231, 230–239 (2016). DOI: 10.1016/j.micromeso.2016.05.032
15Yildiz, M., et al. Support material variation for the MnxOy-Na2WO4/SiO2 catalyst. Catalysis Today 228, 5–14 (2014). DOI: 10.1016/j.cattod.2013.12.024
16P Mohapatra, S Kumar, A Sunny, M Marx. Natural Gas-Assisted NOx Abatement Using Chemical Looping Scheme. Energy Fuels 38, 16570-16579 (2024). DOI: 10.1021/acs.energyfuels.4c01843
17Muhammad Faisal Iqbal, Satoshi Tominaka, Wenqin Peng, Toshiaki Takei, Nao Tsunoji, Tsuneji Sano, Yusuke Ide. Iron Aquo Complex as an Efficient and Selective Homogeneous Photocatalyst for Organic Synthetic Reactions. ChemCatChem 10, 4509-4513 (2018). DOI: 10.1002/cctc.201801360
18Dawid Lewandowski, Grzegorz Schroeder, Mirosław Sawczak, Tadeusz Ossowski. Fluorescence properties of riboflavin-Functionalized mesoporous silica SBA-15 and riboflavin solutions in presence of different metal and organic cations. Journal of Physics and Chemistry of Solids 85, 56-61 (2015). DOI: 10.1016/j.jpcs.2015.04.007
19YH Kuo, YR Tseng, YW Chiang. Concurrent observation of bulk and protein hydration water by spin-label ESR under nanoconfinement. Langmuir 29, 13865-13872 (2013). DOI: 10.1021/la403002t
20Luo, Sheng, et al. Confinement-Induced Supercriticality and Phase Equilibria of Hydrocarbons in Nanopores. Langmuir 32, 11506–11513 (2016). DOI: 10.1021/acs.langmuir.6b03177
21Maria C. Bruzzoniti, Marta Appendini, Luca Rivoira, Barbara Onida, Massimo Del Bubba, Prasanta Jana, Gian Domenico Sorarù. Polymer-Derived ceramic aerogels as sorbent materials for the removal of organic dyes from aqueous solutions. Journal of the American Ceramic Society 101, 821-830 (2018). DOI: 10.1111/jace.15241
22Ken Welch, Mushtaq Ahmad Latifzada, Sara Frykstrand, Maria Strømme. Investigation of the Antibacterial Effect of Mesoporous Magnesium Carbonate. ACS Omega 1, 907-914 (2016). DOI: 10.1021/acsomega.6b00124
23Dawid Lewandowski, Marta Lewandowska, Piotr Ruszkowski, Anita Pińska, Grzegorz Schroeder. Immobilization of Zidovudine Derivatives on the SBA-15 Mesoporous Silica and Evaluation of Their Cytotoxic Activity. PLOS ONE 10(5), e0126251 (2015). DOI: 10.1371/journal.pone.0126251
24Ramesh B. Komma, Gregory P. Dillon. Development and Characterization of Polyethylenimine-Infiltrated Mesoporous Silica Foam Pellets for CO2 Capture. ACS Omega (2024). DOI: 10.1021/acsomega.4c03551
25Lewandowski, Dawid, et al. SBA-15 Mesoporous Silica Modified with Gallic Acid and Evaluation of Its Cytotoxic Activity. Plos One, vol. 10, no. 7, July 2015 (2015). DOI: 10.1371/journal.pone.0132541
26Y. Yan, D. Rentsch, C. Battaglia, A. Remhof. Synthesis, stability and Li-Ion mobility of nanoconfined Li2B12H12. Dalton Transactions 46, 12434-12437 (2017). DOI: 10.1039/c7dt02946b
27Utkarsh Mangal, Ji-Young Seo, Jeong-Hyun Ryu, Jie Jin, Chengzan Wu, Jung-Yul Cha, Kee-Joon Lee, Hyung-Seog Yu, Kwang-Mahn Kim, Jae-Sung Kwon, Sung-Hwan Choi. Changes in mechanical and bacterial properties of denture base resin following nanoceria incorporation with and without SBA-15 carriers. Journal of the Mechanical Behavior of Biomedical Materials 138, 105634 (2023). DOI: 10.1016/j.jmbbm.2022.105634
28Hamid Reza Godini, Stefan Berendts, Rafael Kleba-Ehrhardt, Asma Tufail Shah, Oliver Görke. Correlating the Characteristics and Catalytic Performance of Mn-Na-W-Ox/SiO2 for Oxidative Coupling of Methane. Inorganics 13, 106 (2025). DOI: 10.3390/inorganics13040106
29Seyed Hadi Zandavi, C. A. Ward. Nucleation and growth of condensate in nanoporous materials. Physical Chemistry Chemical Physics 17, 9828-9834 (2015). DOI: 10.1039/c5cp00471c
30Shurraya Denning, Ahmad A. A. Majid, Carolyn A. Koh. Stability and growth of methane hydrates in confined media for carbon sequestration. The Journal of Physical Chemistry C 126, 11800-11809 (2022). DOI: 10.1021/acs.jpcc.2c02936
31Skorupska, Ewa, et al. Thermal Solvent-Free Method of Loading of Pharmaceutical Cocrystals into the Pores of Silica Particles: A Case of Naproxen/Picolinamide Cocrystal. The Journal of Physical Chemistry C 120, 13169–13180 (2016). DOI: 10.1021/acs.jpcc.6b05302
32Skorupska, Ewa, et al. NMR Study of BA/FBA Cocrystal Confined Within Mesoporous Silica Nanoparticles Employing Thermal Solid Phase Transformation. The Journal of Physical Chemistry C, vol. 119, no. 16, Aug. 2015, pp. 8652–8661 (2015). DOI: 10.1021/jp5123008
33M. Weigler, M. Brodrecht, G. Buntkowsky, M. Vogel. Reorientation of Deeply Cooled Water in Mesoporous Silica: NMR Studies of the Pore-Size Dependence. The Journal of Physical Chemistry B 123, 2123-2134 (2019). DOI: 10.1021/acs.jpcb.8b12204
34Elena Orlo, Mariamelia Stanzione, Margherita Lavorgna, Marina Isidori, Aldo Ruffolo, Ciro Sinagra, Giovanna G. Buonocore, Marino Lavorgna. Novel eugenol-based antimicrobial coatings on aluminium substrates for food packaging applications. Journal of Applied Polymer Science 140 (2023). DOI: 10.1002/app.53519
35Farah Lamara, Nedjemeddine Bounar, Benjamín Solsona, Francisco J. Llopis, María Pilar Pico, Daniel Alonso-Domínguez, María Luisa López, Inmaculada Álvarez-Serrano. Assessing the Electrochemical Performance of Different Nanostructured CeO2 Samples as Anodes for Lithium-Ion Batteries. Applied Sciences 12, 22 (2021). DOI: 10.3390/app12010022
36Helena Drobná, Martin Kout, Agnieszka Sołtysek, Victor M. González-Delacruz, Alfonso Caballero, Libor Čapek. Analysis of Ni species formed on zeolites, mesoporous silica and alumina supports and their catalytic behavior in the dry reforming of methane. Reaction Kinetics, Mechanisms and Catalysis 121, 255-274 (2017). DOI: 10.1007/s11144-017-1149-3
37Zane Abelniece, Helle-Mai Piirsoo, Hugo Mandar, Aile Tamm. CHARACTERIZATION AND ACTIVITY OF COBALT BASED SBA-15 SUPPORTED CATALYSTS FOR CARBON DIOXIDE HYDROGENATION. SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings 22, 13-18 (2022). DOI: 10.5593/sgem2022/4.1/s17.02
38Ariel Ma, Jian Yu, William Uspal. Generating Electricity from Natural Evaporation Using PVDF Thin Films Incorporating Nanocomposite Materials. Energies 14, 585 (2021). DOI: 10.3390/en14030585
39R Jiang, DR Baker, DT Tran, J Li, AC Leff. Multimetallic FeCoNiOx Nanoparticles Covered with Nitrogen-Doped Graphene Layers as Trifunctional Catalysts for Hydrogen Evolution and Oxygen Reduction. ACS Applied Nano Materials 3, 7119–7129 (2020). DOI: 10.1021/acsanm.0c01434
40Georgiana-Diana Dumitriu, Nieves López de Lerma, Valeriu V. Cotea, Rafael A. Peinado. Application of Mesoporous Materials as Fining Agents for Pedro Ximénez Wines. Advances in Food Science and Engineering 2, 23-29 (2018). DOI: 10.22606/afse.2018.21003
41Stanzione, M., et al. Peculiarities of vanillin release from amino-Functionalized mesoporous silica embedded into biodegradable composites. European Polymer Journal 89, 88–100 (2017). DOI: 10.1016/j.eurpolymj.2017.01.040
42Melnichenko, Yuri B. Structural Characterization of Porous Materials Using SAS. Small-Angle Scattering from Confined and Interfacial Fluids, 2016, pp. 139–171 (2016). DOI: 10.1007/978-3-319-01104-2_7
43G Mercier, A Klechikov, M Hedenstrom. Porous graphene oxide/diboronic acid materials: structure and hydrogen sorption. The Journal of Physical Chemistry C 119, 27179–27191 (2015). DOI: 10.1021/acs.jpcc.5b06402

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