BioResources, 2023 The effects of CeO2, ZrO2, Nb2O5, and ZnO catalysts supported on carbon nanotubes (CNT) relative to cellulose hydrothermal hydrogenolysis in the presence of Ni/CNT and pressured H2 was studied in this work. The catalysts were characterized by inductively
Guifang Fan +4 more
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A theoretical insight into the catalytic effect of a mixed-metal oxide at the nanometer level: The case of the highly active metal/CeOx/TiO2(110) catalysts [PDF]
, 2010 The structural and electronic properties of CeOx species supported on the rutile TiO2 110 surface have been examined by means of periodic density-functional calculations that use a generalized gradient approximation functional including a Hubbard-like ...
Fernández Sanz, Javier +5 more
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Effect of double-sided polishing on surface morphology of quartz mask blanks
Jin'gangshi yu moliao moju gongchengObjectivesAs the critical dimensions in integrated circuit structures continue to shrink, transistor density and chip performance keep improving. At the same time, the continuous evolution of integrated circuit manufacturing processes increasingly ...
Cheng ZHANG, Rui QIN, Jihao BAI
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ANALYSIS OF STRUCTURE AND ANTIMICROBIAL ACTIVITY OF CeO2 AND Nd2O3 NANOPARTICLES
Spektra: Jurnal Fisika dan Aplikasinya, 2019 Cerium oxide (CeO2) and Neodymium oxide (Nd2O3) nanoparticles using local content have been synthesized by precipitation method. The CeO2 and Nd2O3 nanoparticles were characterized by X-Ray Diffraction (XRD) and Fourier Transform Infrared (FTIR) to ...
Hanif Yuliani +9 more
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In Situ Preparation of CeO2/Bi2WO6 Nano Composite and Its Brilliant Catalytic Activity for Reduction of Dye Pollutants, Chromium (Vi), 4-Nitrophenol and 4-Nitroaniline [PDF]
Iranian Journal of Chemistry & Chemical EngineeringThe CeO2/Bi2WO6 nanocomposite was synthesized using sonochemical and hydrothermal methods. It was studied for its catalytic activity in reducing 4-nitrophenol (4-NP), 4-nitroaniline (4-NA), chromium (VI), rhodamine B(RhB) and Methylene Blue (MB) in ...
Ahmad Amani +2 more
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Continuous-flow IRMS technique for determining the 17O excess of CO2 using complete oxygen isotope exchange with cerium oxide [PDF]
, 2014 This paper presents an analytical system for analysis of all single substituted isotopologues (12C16O17O, 12C16O18O, 13C16O16O) in nanomolar quantities of CO2 extracted from stratospheric air samples.
Kaiser, J. +5 more
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Catalytic Hydrogenation of Succinic Acid Using Materials of Fe/CeO2, Cu/CeO2 and Fe-Cu/CeO2
Croatica Chemica ActaLa réaction d'hydrogénation de l'acide succinique en phase liquide a été étudiée en utilisant les catalyseurs métalliques supportés, Fe/CeO2, Cu/CeO2 et Fe-Cu/CeO2. Le support CeO2 a été préparé par la méthode de précipitation et les solides métalliques supportés par imprégnation à sec du support. Pour les solides monométalliques, un pourcentage de fer
Alexis Lorenzo Ruíz +7 more
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Synthesis and Applications of Polymorphic CeO2 and AgI/CeO2 Nanocomposites
Journal of Materials Science: Materials in EngineeringAbstract This paper delves into the innovative synthesis of various morphologies of CeO₂, including flower-like, spherical, quasi-spherical, and rod-shaped, as well as AgI/CeO₂ composites. Utilizing cold coprecipitation and one-pot hydrothermal methods, a range of CeO₂ and highly efficient photocatalytic AgI/CeO₂ composites were successfully ...
Yan Zhao +5 more
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Zhejiang Daxue xuebao. Lixue ban, 2003 在色谱-微反实验装置上考察了CuO/CeO2、CuO/γ-Al2O3及CeO2改性的催化剂对NO+CO的反应性能,并用TPR、XRD、XPS、BET和NO-TPD等技术对上述催化剂进行了表征.结果表明催化剂活性的提高与铜物种在两种载体(CeO2和γ-Al2O3)上的价态(Cu2+和Cu+)、分散状态和吸附特性有关.TPR实验显示CuO在CeO2上存在两种还原物种,而在γ-Al2O3上只有一种还原物种.XPS检测表明CuO/CeO2的Cu2p3/2结合能值与Cu2+和Cu+的标准结合能基本吻合,而CuO ...
JIANGXiao-yuan(蒋晓原) +5 more
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Charge Distribution Near Oxygen Vacancies in Reduced Ceria
, 2009 Understanding the electronic charge distribution around oxygen vacancies in transition metal and rare earth oxides is a scientific challenge of considerable technological importance.
McKenzie, Ross H. +2 more
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