IR and XRD amorphous synthesis residue showing zeolitic micropores

Anthony S.T. Chiang, Sewn Yi Fun, Jan Sen Wu, Tseng Chang Tsai

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

2 Scopus citations


In the preparation of zeolite nanocrystals from the hydrothermal reaction of clear solution, the zeolite products are typically collected by high speed centrifugation. For Beta zeolite, the crystalline yield is often low, thus a good fraction of silicates reminds in the supernatant. These XRD amorphous materials turn out to be uniform nanoparticles that, after calcination, showed similar micropore structure as that of the collected beta zeolite nanocrystals. TPD measurements of hexane isomers further indicated that both the crystalline and the amorphous products were more selective toward the smaller hexane molecule.

Original languageEnglish
Title of host publicationCatalytic Materials for Energy, Green Processes and Nanotechnology
Number of pages6
StatePublished - 2010
Event2009 MRS Fall Meeting - Boston, MA, United States
Duration: 30 Nov 20093 Dec 2009

Publication series

NameMaterials Research Society Symposium Proceedings
ISSN (Print)0272-9172


Conference2009 MRS Fall Meeting
Country/TerritoryUnited States
CityBoston, MA


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