Structure-directed materials syntheses: Synthesis field diagrams for the preparation of mesostructured silicas

Publikation: Beitrag in Fachzeitschrift › Artikel › Forschung › Peer-Review

Autoren

  • Peter Behrens
  • Andreas Glaue
  • Christian Haggenmüller
  • Gallus Schechner

Externe Organisationen

  • Ludwig-Maximilians-Universität München (LMU)
Forschungs-netzwerk anzeigen

Details

OriginalspracheEnglisch
Seiten (von - bis)255-260
Seitenumfang6
FachzeitschriftSOLID STATE IONICS
Jahrgang101-103
AusgabenummerPART 1
PublikationsstatusVeröffentlicht - Nov. 1997
Extern publiziertJa

Abstract

Mesostructured silicas can be obtained from silica solutions or gels containing amphiphilic surfactants as structure-directing agents. Composite materials with hexagonal (MCM-41), cubic (MCM-48), lamellar (MCM-50) and with disordered (LMU-1) topologies are formed in the system CnTMA+-SiO2-KOH-water-ethanol, where CnTMA+ is an alkyltrimethylammonium cation. The first synthesis field diagram obtained at usual preparation conditions (2 d hydrothermal treatment at 110 °C) by systematic variation of both the surfactant (C14TMA+) and the silica concentration is presented. It reveals optimum synthesis conditions for highly ordered materials and interesting implications for the synthesis mechanism.

ASJC Scopus Sachgebiete

Zitieren

Structure-directed materials syntheses: Synthesis field diagrams for the preparation of mesostructured silicas. / Behrens, Peter; Glaue, Andreas; Haggenmüller, Christian et al.
in: SOLID STATE IONICS, Jahrgang 101-103, Nr. PART 1, 11.1997, S. 255-260.

Publikation: Beitrag in Fachzeitschrift › Artikel › Forschung › Peer-Review

Behrens, P, Glaue, A, Haggenmüller, C & Schechner, G 1997, 'Structure-directed materials syntheses: Synthesis field diagrams for the preparation of mesostructured silicas', SOLID STATE IONICS, Jg. 101-103, Nr. PART 1, S. 255-260.
Behrens, P., Glaue, A., Haggenmüller, C., & Schechner, G. (1997). Structure-directed materials syntheses: Synthesis field diagrams for the preparation of mesostructured silicas. SOLID STATE IONICS, 101-103(PART 1), 255-260.
Behrens P, Glaue A, Haggenmüller C, Schechner G. Structure-directed materials syntheses: Synthesis field diagrams for the preparation of mesostructured silicas. SOLID STATE IONICS. 1997 Nov;101-103(PART 1):255-260.
Behrens, Peter ; Glaue, Andreas ; Haggenmüller, Christian et al. / Structure-directed materials syntheses : Synthesis field diagrams for the preparation of mesostructured silicas. in: SOLID STATE IONICS. 1997 ; Jahrgang 101-103, Nr. PART 1. S. 255-260.
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abstract = "Mesostructured silicas can be obtained from silica solutions or gels containing amphiphilic surfactants as structure-directing agents. Composite materials with hexagonal (MCM-41), cubic (MCM-48), lamellar (MCM-50) and with disordered (LMU-1) topologies are formed in the system CnTMA+-SiO2-KOH-water-ethanol, where CnTMA+ is an alkyltrimethylammonium cation. The first synthesis field diagram obtained at usual preparation conditions (2 d hydrothermal treatment at 110 °C) by systematic variation of both the surfactant (C14TMA+) and the silica concentration is presented. It reveals optimum synthesis conditions for highly ordered materials and interesting implications for the synthesis mechanism.",
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TY - JOUR

T1 - Structure-directed materials syntheses

T2 - Synthesis field diagrams for the preparation of mesostructured silicas

AU - Behrens, Peter

AU - Glaue, Andreas

AU - Haggenmüller, Christian

AU - Schechner, Gallus

N1 - Funding information: This work was supported by the Deutsche For-schungsgemeinschaft (Be 1664/3-1), the Fonds der Chemischen Industrie and by a grant from the Riedel-de HaEn AG (Seelze, Germany).

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Y1 - 1997/11

N2 - Mesostructured silicas can be obtained from silica solutions or gels containing amphiphilic surfactants as structure-directing agents. Composite materials with hexagonal (MCM-41), cubic (MCM-48), lamellar (MCM-50) and with disordered (LMU-1) topologies are formed in the system CnTMA+-SiO2-KOH-water-ethanol, where CnTMA+ is an alkyltrimethylammonium cation. The first synthesis field diagram obtained at usual preparation conditions (2 d hydrothermal treatment at 110 °C) by systematic variation of both the surfactant (C14TMA+) and the silica concentration is presented. It reveals optimum synthesis conditions for highly ordered materials and interesting implications for the synthesis mechanism.

AB - Mesostructured silicas can be obtained from silica solutions or gels containing amphiphilic surfactants as structure-directing agents. Composite materials with hexagonal (MCM-41), cubic (MCM-48), lamellar (MCM-50) and with disordered (LMU-1) topologies are formed in the system CnTMA+-SiO2-KOH-water-ethanol, where CnTMA+ is an alkyltrimethylammonium cation. The first synthesis field diagram obtained at usual preparation conditions (2 d hydrothermal treatment at 110 °C) by systematic variation of both the surfactant (C14TMA+) and the silica concentration is presented. It reveals optimum synthesis conditions for highly ordered materials and interesting implications for the synthesis mechanism.

KW - M41S materials

KW - Mesoporous materials

KW - Porous materials

KW - Structure-directed synthesis

KW - Surfactants

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