One-step synthesis of hierarchical ZSM-5 using cetyltrimethyl-ammonium as mesoporogen and structure directing agent

L. Meng; B. Mezari; M.G. Goesten; E.J.M. Hensen

doi:10.1021/acs.chemmater.7b00913

One-step synthesis of hierarchical ZSM-5 using cetyltrimethyl-ammonium as mesoporogen and structure directing agent

L. Meng, B. Mezari, M.G. Goesten, E.J.M. Hensen

Inorganic Materials & Catalysis

Onderzoeksoutput: Bijdrage aan tijdschrift › Tijdschriftartikel › Academic › peer review

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Hierarchical ZSM-5 zeolite is hydrothermally synthesized in a single step with cetyltrimethylammonium (CTA) hydroxide acting as mesoporogen and structure-directing agent. Essential to this synthesis is the replacement of NaOH with KOH. An in-depth solid-state NMR study reveals that, after early electrostatic interaction between condensed silica and the headgroup of CTA, ZSM-5 crystallizes around the structure-directing agent. The crucial aspect of using KOH instead of NaOH lies in the faster dissolution of silica, thereby providing sufficient nutrients for zeolite nucleation. The hierarchical ZSM-5 zeolite contains mesopores and shows excellent catalytic performance in the methanol-to-hydrocarbons reaction

Originele taal-2	Engels
Pagina's (van-tot)	4091–4096
Aantal pagina's	6
Tijdschrift	Chemistry of Materials
Volume	29
Nummer van het tijdschrift	9
Vroegere onlinedatum	18 apr 2017
DOI's	https://doi.org/10.1021/acs.chemmater.7b00913
Status	Gepubliceerd - 2017

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Meng, L., Mezari, B., Goesten, M. G., & Hensen, E. J. M. (2017). One-step synthesis of hierarchical ZSM-5 using cetyltrimethyl-ammonium as mesoporogen and structure directing agent. Chemistry of Materials, 29(9), 4091–4096. https://doi.org/10.1021/acs.chemmater.7b00913

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AU - Hensen, E.J.M.

PY - 2017

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AB - Hierarchical ZSM-5 zeolite is hydrothermally synthesized in a single step with cetyltrimethylammonium (CTA) hydroxide acting as mesoporogen and structure-directing agent. Essential to this synthesis is the replacement of NaOH with KOH. An in-depth solid-state NMR study reveals that, after early electrostatic interaction between condensed silica and the headgroup of CTA, ZSM-5 crystallizes around the structure-directing agent. The crucial aspect of using KOH instead of NaOH lies in the faster dissolution of silica, thereby providing sufficient nutrients for zeolite nucleation. The hierarchical ZSM-5 zeolite contains mesopores and shows excellent catalytic performance in the methanol-to-hydrocarbons reaction

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10.1021/acs.chemmater.7b00913Licentie: CC BY-NC-ND

publisher versionDefinitieve gepubliceerde versie, 2,38 MBLicentie: CC BY-NC-ND