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Design of a high-temperature and high-pressure liquid flow cell for x-ray absorption fine structure measurements under catalytic reaction conditions
| Title: | Design of a high-temperature and high-pressure liquid flow cell for x-ray absorption fine structure measurements under catalytic reaction conditions |
| Authors: | Kawai, Toshihide Browse this author | | Chun, Wang-Jae Browse this author | | Asakura, Kiyotaka Browse this author | | Koike, Yuichiro Browse this author | | Nomura, Masaharu Browse this author | | Bando, Kyoko K. Browse this author | | Oyama, S. Ted Browse this author | | Sumiya, Hitoshi Browse this author |
| Issue Date: | 28-Jan-2008 |
| Publisher: | American Institute of Physics |
| Journal Title: | Review of Scientific Instruments |
| Volume: | 79 |
| Issue: | 1 |
| Start Page: | 014101 |
| Publisher DOI: | 10.1063/1.2829156 |
| PMID: | 18248051 |
| Abstract: | The design and performance of a new high-pressure and high-temperature cell for measurement of x-ray absorption fine structure (XAFS) spectra of solid catalysts working in a flowing liquid are presented. The cell has flat, high-purity sintered cubic boron nitride (c-BN) windows which can tolerate high temperature (900 K) and high pressure (10 MPa). The c-BN is a new material which has the highest tensile strength, second only to diamond, and is also chemically and thermally stable. The use of the cell is demonstrated for measurements of PtPd/Al2O3 and Ni2P/SiO2 hydrodesulfurization catalysts at reaction conditions. A technique called delta χ (Δχ), involving determining the difference between XAFS spectra of the sample at reaction conditions and the bare sample, is introduced. |
| Rights: | Copyright 2008 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. |
| Type: | article |
| URI: | http://hdl.handle.net/2115/33047 |
| Appears in Collections: | 触媒科学研究所 (Institute for Catalysis) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)
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Submitter: 朝倉 清高
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