Journal
JOURNAL OF PHYSICAL CHEMISTRY C
Volume 116, Issue 3, Pages 2080-2089Publisher
AMER CHEMICAL SOC
DOI: 10.1021/jp205107u
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Funding
- Natural Science and Engineering Research Council of Canada
- Canada Research Chair program
- Ontario Ministry of Research and Innovation
- CIW
- CDAC
- UNLV
- LLNL
- DOE-NNSA
- DOE-BES [DE-AC02-06CH11357]
- NSF
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The behavior of completely siliceous zeolite ZSM-5 (Si-ZSM-5) under high pressures up to 16 GPa were investigated by in situ Raman spectroscopy and X-ray diffraction with synchrotron radiation in a diamond anvil cell. Pressure-induced amorphization was observed in both as-made and calcined Si-ZSM-5, which transform to a low-density amorphous silica first and then to a high-density amorphous silica. However, transition pressures and reversibility were different for as-made and calcined Si-ZSM-5. It was found that the existence of the template molecules occluded in the zeolite framework is mainly responsible for these differences.
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