Combined TPR, XRD, and FTIR studies on the reduction behavior …
2022年9月15日 · The TG curve obtained for CoO showed a mass gain to commence near 570 K and continues to cause an ultimate mass gain of ca. 6.9% ceasing near 1170 K. Obviously, …
Characterization of cobalt oxides studied by FT-IR, Raman, TPR and TG …
2008年7月10日 · Phase transformation, structural properties and red-ox properties were characterized by thermogravimetry-mass spectrometry (TG-MS), X-ray diffraction (XRD), …
Mechanism of thermal decomposition of cobalt acetate tetrahydrate
The thermal decomposition of cobalt acetate tetrahydrate (Co (CH 3 COO) 2 · 4H 2 O) has been studied via thermogravimetric (TG) analysis, in situ X-ray powder diffraction (XRD), and …
Cobalt oxide-catalyzed CO oxidation under steady-state …
2023年4月20日 · This study provides a feasible approach to identify the active Co oxidation state by comparing the activity of three sets of cobalt oxides with different oxidation states: (i) pure …
通过 FT-IR、拉曼、TPR 和 TG-MS 研究钴氧化物的表 …
2008年7月1日 · 通过热重-质谱 (TG-MS)、X 射线衍射 (XRD)、红外光谱 (IR)、拉曼光谱和程序升温分解/还原 (TPD/TPR) 表征相变、结构特性和氧化还原特性）。 对 CoO x 的热行为分析表 …
In this study, we present a comprehensive optical characterization of Co3O4 and CoO with Raman scattering and Fourier transform infrared spectroscopy (FTIR).
In order to prepare pure cobalt oxides and cobalt metal, three oxide derivatives – CoO(OH), Co3O4, CoO and Co from CoOx – are prepared in hydrogen environment under STG-TPR …
Phase- and Size-Dependent Optical and Magnetic Properties of CoO ...
XPS, TG-DTA, and FTIR analyses reveal that the as-synthesized nanoparticles are pure CoO with good thermal stability. Raman and UV–vis absorption spectra show that the optical properties …
Characterization of cobalt oxides studied by FT-IR, Raman, TPR and TG …
2008年7月1日 · Phase transformation, structural properties and red-ox properties were characterized by thermogravimetry-mass spectrometry (TG-MS), X-ray diffraction (XRD), …
Thermal analysis TG-MS The as-prepared cobalt oxide (assigned as CoOx) was fabricated by precipitation–oxidation from aqueous cobalt nitrate solution using sodium hydroxide and …