Structure Analysis of the Mesopore in Dealuminated Zeolite Y by High Resolution TEM Observation with Slow Scan CCD Camera

The microstructures of a dealuminated zeolite Y were observed with a transmission electron microscope (TEM) under a very low electron dose condition using a high sensitivity SSC camera for the purpose of elucidating the formation mechanism of the mesopores. Mesopores were distributed three-dimension...

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Veröffentlicht in:	Journal of catalysis 1998-08, Vol.178 (1), p.94-100
Hauptverfasser:	Sasaki, Yukichi, Suzuki, Toshiyuki, Takamura, Yukihiro, Saji, Akira, Saka, Hiroyasu
Format:	Artikel
Sprache:	eng
Schlagworte:	Catalysis Catalysts: preparations and properties Chemistry Exact sciences and technology General and physical chemistry Theory of reactions, general kinetics. Catalysis. Nomenclature, chemical documentation, computer chemistry
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Beschreibung
Zusammenfassung:	The microstructures of a dealuminated zeolite Y were observed with a transmission electron microscope (TEM) under a very low electron dose condition using a high sensitivity SSC camera for the purpose of elucidating the formation mechanism of the mesopores. Mesopores were distributed three-dimensionally. They were closely related with the preexisting (111) twinning planes. The possibility of controlling the distribution of mesopores by controlling the distribution of twins during synthesis is also mentioned.
ISSN:	0021-9517 1090-2694
DOI:	10.1006/jcat.1998.2130