Lattice expansion and oxygen non-stoichiometry of nanocrystalline ceria
Generalized dependence of unit cell parameter and oxygen nonstoichiometry on the particle size of nanocrystalline ceria synthesized by a wide variety of solution-based methods was established.
Определена обобщенная зависимость параметра элементарной ячейки и кислородной нестехиометрии от размера частиц нанокристаллического диоксида церия, синтезированного с применением различных методов «мягкой химии».
fulltext-eng (CrystEngComm, 2010, 12, 3531-3533)
Structure-sensitive properties and biomedical applications of nanodispersed cerium dioxide
The results of modern studies of physicochemical properties and biological activities of nanocrystalline cerium dioxide are generalized. The key methods for its preparation are considered and the prospects for its application in biological research and in medicine are analyzed.
Обобщены результаты современных исследований физико-химических свойств и биологической активности нанокристаллического диоксида церия. Рассмотрены основные способы его получения [...]
Nanocrystalline ceria: Synthesis, structure-sensitive properties, and promising applications
Directed search for further manifestations of size-dependent effects in the functional properties of nanomaterials constitutes a key line of nanotechnologies research. The major size-dependent effects were analyzed for nanocrystalline ceria. The practically significant techniques for preparation of ceria nanopowders with controllable micromorphology were analyzed. Selected promising applications of this material were described.
Ключевым направлением исследований в [...]
Greatly facilitated oxygen vacancy formation in ceria nanocrystallites
The formation of oxygen vacancies in ceria clusters (n < 80), studied using density-functional calculations, is found to be greatly facilitated compared to extended surfaces, which explains the observed spectacular reactivity of nanostructured ceria.
Методом функционала плотности исследовано образование кислородных вакансий в кластерах диоксида церия. Показано, что высокая реакционная способность нанокристаллического диоксида церия обусловлена легкостью образования кислородных [...]
Aqueous-Phase Synthesis of Single-Crystal Ceria Nanosheets
A simple, aqueous route to the synthesis of ultrathin, single-crystalline ceria nanosheets with a thickness of approximately 2.2 nm and lateral dimension up to 4 microns.
Предложен простой метод синтеза ультратонких монокристаллических пластинок диоксида церия толщиной примерно 2.2 нм и шириной до 4 микрон.
fulltext-eng (Angewandte Chemie International Edition, Volume 49, Issue 26, pages 4484–4487, June 14, [...]
Electrochemical Intercalation of Lithium into Nanocrystalline Ceria
The specifics of electrochemical lithium intercalation into nanocrystalline ceria were studied. The lithium capacity of ceria is discovered to increase systematically as the nanoparticle size shifts down, indicating the potential of nanocrystalline ceria for use in electrochromic applications.
Исследованы закономерности электрохимической интеркаляции лития в нанокристаллический оксид церия. Впервые показано, что интеркаляционная емкость диоксида церия закономерно увеличивается [...]
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