拉曼光谱
镍
硫黄
硫化镍
硫化物
氧化镍
催化作用
材料科学
氧化物
分析化学(期刊)
无机化学
相(物质)
化学
冶金
环境化学
有机化学
物理
光学
作者
Zhe Cheng,Harry Abernathy,Meilin Liu
摘要
Raman spectra of nickel sulfides reported in previous studies are inconsistent due possibly to the difficulty in obtaining samples of the required purity in composition and phase. In this study, Raman spectra for both the low-temperature (heazlewoodite)- and the high-temperature (cubic)-phase Ni3S2, collected under both ex situ and in situ conditions, are correlated with factor group analysis and X-ray diffraction. The study is important to the investigation of sulfur−nickel interactions in catalyst systems for processing of sulfur-containing chemicals and in solid oxide fuel cells (SOFCs) that run on sulfur-containing fuels; it also provides a standard reference for research in areas such as the corrosion of nickel-based alloys in a sulfur-containing atmosphere.
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