1994
DOI: 10.1021/cm00046a040
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Molecular or Supramolecular Templating: Defining the Role of Surfactant Chemistry in the Formation of Microporous and Mesoporous Molecular Sieves

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Cited by 402 publications
(283 citation statements)
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“…Grandes áre-as de superfície específica (de até 1500 m 2 .g -1 ) têm sido obtidas. Devido a esta estrutura regular de poros e estreita distribuição de tamanho, o MCM-41 é usado em várias aplicações, principalmente, em cromatografia 122,123 , catálise 124 e, mais recentemente, como matriz template na síntese de polímeros condutores e outros materiais 125 . 130 .…”
Section: Figura 10 Variação Da Razão Dicróica Determinada Pela Espeunclassified
“…Grandes áre-as de superfície específica (de até 1500 m 2 .g -1 ) têm sido obtidas. Devido a esta estrutura regular de poros e estreita distribuição de tamanho, o MCM-41 é usado em várias aplicações, principalmente, em cromatografia 122,123 , catálise 124 e, mais recentemente, como matriz template na síntese de polímeros condutores e outros materiais 125 . 130 .…”
Section: Figura 10 Variação Da Razão Dicróica Determinada Pela Espeunclassified
“…Since the discovery at Mobil [1,2] of MCM-41, a mesoporous silica material, there has been an increasing interest to develop new ways to prepare high surface area mesoporous oxide materials including transition metals oxides using wet chemical methods [3][4][5]. However, relatively little of this work has targeted perovskites.…”
Section: Introductionmentioning
confidence: 99%
“…Recently, Ryoo and coworkers 8 succeeded in synthesizing polycrystalline mesostructured MFI (zeolite framework code by International Zeolite Association) zeolite using designed bifunctional surfactants 7,8,23 , in which the connection of the head groups of the multiple quaternary ammoniums to hydrophobic alkyl chains is the indispensable factor for the effective structure-directing agent to simultaneously form MFI zeolite and a mesoscale micellar structure. However, directing the structure of zeolite using longer alkyl chain lengths and simple one-head quaternary molecules is generally an energetically unfavourable event compared with the use of multiple quaternary ammonium head groups 8,20,24 . The high synthetic energy in one-head quaternary groups would disrupt the formation of their lamellar structure.…”
mentioning
confidence: 99%