Super-microporous organosilicas synthesized from well-defined nanobuilding units

Lei Zhang, Q. Yang, H. Yang, J. Liu, H. Xin, B. Mezari, P.C.M.M. Magusin, H.C.L. Abbenhuis, R.A. Santen, van, C. Li

Research output: Contribution to journalArticleAcademicpeer-review

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Abstract

Super-microporous organosilica with bridging ethylene and pendant vinyl groups has been synthesized by assembling predefined nanobuilding block polyhedral oligomeric silsesquioxanes (POSS) with nonionic surfactant Brij-76 as the template. The material shows wormhole-like super-micropores with uniform size of 1.9 nm, high BET surface area of 872 m2 g–1 and pore volume of 0.52 cm3 g–1. IR and NMR results show that the bridging ethylene, the pendant vinyl groups and the double-4-membered ring structure were successfully transferred from the building blocks to the super-microporous organosilica material. The material shows high hydrothermal stability and can further react with Br2. The advantage of the present approach lies in that the relative contents and proximity of the different organic functionalities in the final material can be well controlled through the starting nanobuilding blocks.
Original languageEnglish
Pages (from-to)450-457
JournalJournal of Materials Chemistry
Volume18
Issue number4
DOIs
Publication statusPublished - 2008

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Ethylene
Microporous materials
Nonionic surfactants
Nuclear magnetic resonance
ethylene

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Zhang, Lei ; Yang, Q. ; Yang, H. ; Liu, J. ; Xin, H. ; Mezari, B. ; Magusin, P.C.M.M. ; Abbenhuis, H.C.L. ; Santen, van, R.A. ; Li, C. / Super-microporous organosilicas synthesized from well-defined nanobuilding units. In: Journal of Materials Chemistry. 2008 ; Vol. 18, No. 4. pp. 450-457.
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abstract = "Super-microporous organosilica with bridging ethylene and pendant vinyl groups has been synthesized by assembling predefined nanobuilding block polyhedral oligomeric silsesquioxanes (POSS) with nonionic surfactant Brij-76 as the template. The material shows wormhole-like super-micropores with uniform size of 1.9 nm, high BET surface area of 872 m2 g–1 and pore volume of 0.52 cm3 g–1. IR and NMR results show that the bridging ethylene, the pendant vinyl groups and the double-4-membered ring structure were successfully transferred from the building blocks to the super-microporous organosilica material. The material shows high hydrothermal stability and can further react with Br2. The advantage of the present approach lies in that the relative contents and proximity of the different organic functionalities in the final material can be well controlled through the starting nanobuilding blocks.",
author = "Lei Zhang and Q. Yang and H. Yang and J. Liu and H. Xin and B. Mezari and P.C.M.M. Magusin and H.C.L. Abbenhuis and {Santen, van}, R.A. and C. Li",
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Super-microporous organosilicas synthesized from well-defined nanobuilding units. / Zhang, Lei; Yang, Q.; Yang, H.; Liu, J.; Xin, H.; Mezari, B.; Magusin, P.C.M.M.; Abbenhuis, H.C.L.; Santen, van, R.A.; Li, C.

In: Journal of Materials Chemistry, Vol. 18, No. 4, 2008, p. 450-457.

Research output: Contribution to journalArticleAcademicpeer-review

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T1 - Super-microporous organosilicas synthesized from well-defined nanobuilding units

AU - Zhang, Lei

AU - Yang, Q.

AU - Yang, H.

AU - Liu, J.

AU - Xin, H.

AU - Mezari, B.

AU - Magusin, P.C.M.M.

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AU - Li, C.

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AB - Super-microporous organosilica with bridging ethylene and pendant vinyl groups has been synthesized by assembling predefined nanobuilding block polyhedral oligomeric silsesquioxanes (POSS) with nonionic surfactant Brij-76 as the template. The material shows wormhole-like super-micropores with uniform size of 1.9 nm, high BET surface area of 872 m2 g–1 and pore volume of 0.52 cm3 g–1. IR and NMR results show that the bridging ethylene, the pendant vinyl groups and the double-4-membered ring structure were successfully transferred from the building blocks to the super-microporous organosilica material. The material shows high hydrothermal stability and can further react with Br2. The advantage of the present approach lies in that the relative contents and proximity of the different organic functionalities in the final material can be well controlled through the starting nanobuilding blocks.

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