cerium

Non-classical electrostriction in calcium-doped cerium oxide ceramics

J. Mater. Chem. A, 2024, 12,9173-9183
DOI: 10.1039/D3TA07512E, Paper
Ahsanul Kabir, Victor Buratto Tinti, Simone Santucci, Maxim Varenik, Samuel Griffiths, Sebastian Molin, Igor Lubomirsky, Vincenzo Esposito
Oxygen-defective metal oxides, e.g., acceptor-doped CeO2, demonstrate exceptionally large electrostrictive responses compared to state-of-the-art electromechanically active ceramic materials.
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cerium

A novel cerium-based metal-organic framework supported Pd catalyst for semi-hydrogenation of phenylacetylene

Inorg. Chem. Front., 2024, Accepted Manuscript
DOI: 10.1039/D4QI02225D, Research Article
Open Access
Xiangdi Zeng, Zi Wang, Meng He, Wanpeng Lu, Wenyuan Huang, Bing An, Jiangnan Li, Li Mufan, Ben Spencer, Sarah Day, Floriana Tuna, Eric J L McInnes, Martin Schroder, Sihai Yang
Phenylacetylene is a detrimental impurity in the polymerisation of styrene, capable of poisoning catalysts even at ppm levels and significantly degrading the quality of polystyrene. The semi-hydrogenation of phenylacetylene to...
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cerium

A cerium-doped tungsten trioxide-functionalized sensing platform for photoelectrochemical detection of ascorbic acid with high sensitivity

Analyst, 2024, 149,5206-5212
DOI: 10.1039/D4AN01165A, Paper
Xueying Zhu, Tikai Liang, Dianping Tang
A highly efficient photoelectrochemical (PEC) strategy was proposed for the determination of ascorbic acid (AA).
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cerium

Aluminothermic reduction of CeO2: mechanism of an economical route to aluminum–cerium alloys

Mater. Horiz., 2024, Advance Article
DOI: 10.1039/D4MH00087K, Communication
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Alfred Amon, Emily E. Moore, Hunter B. Henderson, Jibril Shittu, Martin Kunz, Shane Kastamo, Nikolai Huotari, Adam Loukus, Ryan Ott, David Weiss, Scott K. McCall
Time-resolved X-ray diffraction enabled mechanistic insight into the aluminothermic reduction of CeO2. The environmentally friendly process enables a direct route to Al–Ce alloy production and a high-value use for excess Ce from rare earth mining.
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cerium

Solvent-modulated assembly of peptide and cerium functionalized gigantic {Mo120Ce6}2 dimers for high-efficiency photocatalytic oxidation

Inorg. Chem. Front., 2024, 11,2355-2364
DOI: 10.1039/D4QI00339J, Research Article
Dexiang Zhou, Bingbing Li, Qixin Zhao, Xinyu Tang, Tingya Lan, Heyang Su, Guoping Yang, Weimin Xuan
Two gigantic peptide and cerium functionalized {Mo120Ce6}2 dimers have been constructed via a solvent-modulated assembly and applied for effective photocatalytic aerobic oxidation of sulfides to sulfoxides.
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cerium

A grain-like cerium oxide nanostructure: synthesis and uric acid sensing application

Dalton Trans., 2024, 53,17794-17802
DOI: 10.1039/D4DT02056A, Paper
Rafiq Ahmad, Sakeena Masrat, Md. Tabish Rehman, Mohamed F. AlAjmi, Shamshad Alam, Prabhash Mishra, Byeong-Il Lee
Hydrothermally prepared grain-like CeO2 nanostructures were useful for creating a high-performance and non-enzymatic sensor for uric acid detection.
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cerium

Heteroatom-assisted oxygen vacancies in cerium oxide catalysts for efficient synthesis of dimethyl carbonate from CO2 and methanol

Catal. Sci. Technol., 2024, 14,6513-6523
DOI: 10.1039/D4CY00702F, Paper
Niladri Maity, Samiyah A. Al-Jendan, Samir Barman, Nagendra Kulal, E. A. Jaseer
Heteroatom (N, S) assisted CeO2 nanorod materials exhibited enhanced catalytic efficiency in the synthesis of dimethyl carbonate from CO2 and methanol, attributed to their superior surface acidity, basicity, Ce3+ concentration, and oxygen vacancies.
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cerium

Bioactivity of cerium dioxide nanoparticles as a function of size and surface features

Biomater. Sci., 2024, Advance Article
DOI: 10.1039/D3BM01900D, Paper
Veronika Sarnatskaya, Yuliia Shlapa, Denis Kolesnik, Olexandra Lykhova, Dmytro Klymchuk, Serhii Solopan, Svitlana Lyubchyk, Iuliia Golovynska, Junle Qu, Yurii Stepanov, Anatolii Belous
Nano-dispersed cerium dioxide is promising for use in medicine due to its unique physicochemical properties, low toxicity, the safety of in vivo usage, active participation in different redox processes occurring in living cells, and its regenerative potential.
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cerium

Cerium photocatalysis conquers light hydrocarbon chemistry

Method turns challenging gaseous alkanes into liquid products




cerium

Cerium containing nanoparticles prepared in non-polar solvent

A method of making cerium-containing metal oxide nanoparticles in non-polar solvent eliminates the need for solvent shifting steps. The direct synthesis method involves: (a) forming a reaction mixture of a source of cerous ion and a carboxylic acid, and optionally, a hydrocarbon solvent; and optionally further comprises a non-cerous metal ion; (b) heating the reaction mixture to oxidize cerous ion to ceric ion; and (c) recovering a nanoparticle of either cerium oxide or a mixed metal oxide comprising cerium. The cerium-containing oxide nanoparticles thus obtained have cubic fluorite crystal structure and a geometric diameter in the range of about 1 nanometer to about 20 nanometers. Dispersions of cerium-containing oxide nanoparticles prepared by this method can be used as a component of a fuel or lubricant additive.




cerium

Oxidative cyclization of thiosemicarbazide: chemo-dosimetric approach for highly selective fluorescence detection of cerium(IV)

New J. Chem., 2020, Accepted Manuscript
DOI: 10.1039/D0NJ01100B, Paper
Ahad Shaikh, Pallabi Mukherjee, Sabyasachi Ta, Arun Bhattacharyya, Abhijit Ghosh, Debasis Das
A simple thiosemicarbazide based chemodosimeter detects Ce4+ ion through turn-on fluorescence. The sensing mechanism is based on oxidative cyclyzation. The chemodosimeter shows exceptional selectivity for Ce4+ that allows to detect...
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cerium

Coinage metal tris(dialkylamido)imidophosphorane complexes as transmetallation reagents for cerium complexes

Dalton Trans., 2020, 49,5420-5423
DOI: 10.1039/D0DT00842G, Communication
Luis M. Aguirre Quintana, Ningxin Jiang, John Bacsa, Henry S. La Pierre
The synthesis of coinage metal tris(dialkylamido)imidophosphorane complexes is reported, and the use of the silver(I) salt as an oxidative transmetallation reagent for the formation of a cerium(IV) complex is described.
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cerium

New findings and current controversies in the reaction of ruthenium red and ammonium cerium(IV) nitrate: focus on the precipitated compound

Catal. Sci. Technol., 2020, 10,2491-2502
DOI: 10.1039/C9CY02499A, Paper
Bahram Sarvi, Seyedeh Maedeh Hosseini, Bahareh Deljoo, Abdelhamid El-Sawy, Alireza Shirazi Amin, Mark Aindow, Steven L. Suib, Mohammad Mahdi Najafpour
During water-oxidation reaction in the presence of RuR and CAN, a heterogeneous nano-sized Ru-Ce compound is detected, which is formed by the interaction of [(NH3)5RuORu(NH3)4ORu(NH3)5],6+/7+ nitrate ions, and the products of the reduction of CAN.
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cerium

Cerium photocatalysis conquers light hydrocarbon chemistry

Method turns challenging gaseous alkanes into liquid products