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Issue 48, 2011
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Synthesis of a hierarchically macro-/mesoporous zeolite based on a micro-emulsion mechanism

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Abstract

A new type of hierarchically porous ZSM-5-type zeolite, Hp-ZSM, with well defined macro-/meso-/microporous structures was facilely synthesized via a simple steam-assisted conversion route in the presence of ethanol. This novel material exhibits a tri-modal porous structure: a macroporous network with macropore sizes of 50–200 nm; a well defined mesoporous structure of pore size around 2.5 nm in the macroporous framework and a typical microporous ZSM-5 structure in the mesoporous framework. A micro-emulsion mechanism was proposed for the formation of the macroporosity where ethanol is assumed to form ‘oil’ droplets in the water phase in the presence of surfactants.

Graphical abstract: Synthesis of a hierarchically macro-/mesoporous zeolite based on a micro-emulsion mechanism

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Publication details

The article was received on 30 Aug 2011, accepted on 18 Oct 2011 and first published on 02 Nov 2011


Article type: Paper
DOI: 10.1039/C1JM14249F
Citation: J. Mater. Chem., 2011,21, 19395-19401
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    Synthesis of a hierarchically macro-/mesoporous zeolite based on a micro-emulsion mechanism

    H. Li, J. Jin, W. Wu, C. Chen, L. Li, Y. Li, W. Zhao, J. Gu, G. Chen and J. Shi, J. Mater. Chem., 2011, 21, 19395
    DOI: 10.1039/C1JM14249F

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