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Cascade Reactions in Tunable Lamellar Micro‐ and Mesopores for C=C Bond Coupling and Hydrocarbon Synthesis
Author(s) -
Lin Fan,
Zhang Junyan,
Liu Dongxia,
Chin YaHuei Cathy
Publication year - 2018
Publication title -
angewandte chemie
Language(s) - English
Resource type - Journals
eISSN - 1521-3757
pISSN - 0044-8249
DOI - 10.1002/ange.201803929
Subject(s) - mesoporous material , aluminosilicate , lamellar structure , chemistry , aromatization , hydrocarbon , brønsted–lowry acid–base theory , zeolite , catalysis , crystallite , photochemistry , chemical engineering , organic chemistry , crystallography , engineering
Two‐dimensional MFI zeolite nanosheets contain Brønsted acid sites partially confined at the intercept between micro‐ and mesopores. These acid sites exhibit exceptional reactivities and stabilities for C=C bond coupling and ring‐closure reactions that transform light aldehydes to aromatics. These sites are much more effective than those confined within the micropores of MFI crystallites and those unconfined on H 4 SiW 12 O 40 clusters or mesoporous aluminosilicate Al‐MCM‐41. The partially confined site environment solvates and stabilizes the transition states of the kinetically relevant steps during aromatization.