Setup for in situ investigation of gases and gas/solid interfaces by soft x-ray emission and absorption spectroscopy

被引：9

作者：

Benkert, A. ^{[1
,2
,3
]}

Blum, M. ^{[4
,5
]}

Meyer, F. ^{[2
]}

Wilks, R. G. ^{[6
]}

Yang, W. ^{[5
]}

Baer, M. ^{[4
,6
,7
]}

Reinert, F. ^{[2
,3
]}

Heske, C. ^{[1
,4
,8
,9
]}

Weinhardt, L. ^{[1
,4
,8
]}

机构：

[1] Karlsruhe Inst Technol KIT, Inst Photon Sci & Synchrotron Radiat, D-76344 Eggenstein Leopoldshafen, Germany

[2] Univ Wurzburg, D-97074 Wurzburg, Germany

[3] Karlsruhe Inst Technol KIT, Gemeinschaftslab Nanoanalyt, D-76021 Karlsruhe, Germany

[4] Univ Nevada, Dept Chem, Las Vegas UNLV, Las Vegas, NV 89154 USA

[5] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Adv Light Source, Berkeley, CA 94720 USA

[6] Helmholtz Zentrum Berlin Mat & Energie GmbH, Solar Energy Res, D-14109 Berlin, Germany

[7] Brandenburg Tech Univ Cottbus Senftenberg, Insitut Phys & Chem, D-03046 Cottbus, Germany

[8] Karlsruhe Inst Technol KIT, ANKA Synchrotron Radiat Facil, D-76344 Eggenstein Leopoldshafen, Germany

[9] Karlsruhe Inst Technol KIT, Inst Chem Technol & Polymer Chem, D-76128 Karlsruhe, Germany

来源：

REVIEW OF SCIENTIFIC INSTRUMENTS | 2014年 / 85卷 / 01期

关键词：

WATER; SPECTRUM; CELL; LIQUIDS;

D O I：

10.1063/1.4862059

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

We present a novel gas cell designed to study the electronic structure of gases and gas/solid interfaces using soft x-ray emission and absorption spectroscopies. In this cell, the sample gas is separated from the vacuum of the analysis chamber by a thin window membrane, allowing in situ measurements under atmospheric pressure. The temperature of the gas can be regulated from room temperature up to approximately 600 degrees C. To avoid beam damage, a constant mass flow can be maintained to continuously refresh the gaseous sample. Furthermore, the gas cell provides space for solid-state samples, allowing to study the gas/solid interface for surface catalytic reactions at elevated temperatures. To demonstrate the capabilities of the cell, we have investigated a TiO2 sample behind a mixture of N-2 and He gas at atmospheric pressure. (C) 2014 AIP Publishing LLC.

引用

页数：5

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