Direct Formation of Mesoporous Coesite Single Crystals from Periodic Mesoporous Silica at Extreme Pressure | Zendy

Mohanty Paritosh | Zendy; Ortalan Volkan | Zendy; Browning Nigel D. | Zendy; Arslan Ilke | Zendy; Fei Yingwei | Zendy; Landskron Kai | Zendy

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Direct Formation of Mesoporous Coesite Single Crystals from Periodic Mesoporous Silica at Extreme Pressure

Author(s) -

Mohanty Paritosh,

Ortalan Volkan,

Browning Nigel D.,

Arslan Ilke,

Fei Yingwei,

Landskron Kai

Publication year - 2010

Publication title -

angewandte chemie international edition

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 5.831

H-Index - 550

eISSN - 1521-3773

pISSN - 1433-7851

DOI - 10.1002/anie.201001114

Subject(s) - mesoporous material , porosity , crystallization , coesite , materials science , mesoporous silica , chemical engineering , mesoporous organosilica , classification scheme , porous medium , mineralogy , nanotechnology , geology , composite material , computer science , chemistry , organic chemistry , information retrieval , paleontology , subduction , eclogite , engineering , tectonics , catalysis

Under an extreme pressure of 12 GPa, mesoporous coesite can be formed directly from periodic mesoporous silica without the aid of a template. The porous coesite particles obtained from SBA‐16 are single crystalline, with a pore size of about 4 nm and about 50 % porosity. The formation can be attributed to the kinetically controlled crystallization of a nonporous elastically strained glasslike silica intermediate (see scheme).

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