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排序方式: 共有152条查询结果,搜索用时 15 毫秒
1.
Dr. Yulia Y. Enakieva Dr. Anna A. Sinelshchikova Prof. Mikhail S. Grigoriev Prof. Vladimir V. Chernyshev Dr. Konstantin A. Kovalenko Prof. Irina A. Stenina Prof. Andrey B. Yaroslavtsev Prof. Yulia G. Gorbunova Prof. Aslan Y. Tsivadze 《Chemistry (Weinheim an der Bergstrasse, Germany)》2019,25(45):10552-10556
The design of new solid-state proton-conducting materials is a great challenge for chemistry and materials science. Herein, a new anionic porphyrinylphosphonate-based MOF ( IPCE-1Ni ), which involves dimethylammonium (DMA) cations for charge compensation, is reported. As a result of its unique structure, IPCE-1Ni exhibits one of the highest value of the proton conductivity among reported proton-conducting MOF materials based on porphyrins (1.55×10−3 S cm−1 at 75 °C and 80 % relative humidity). 相似文献
2.
E. Yu. Mironova M. M. Ermilova M. N. Efimov L. M. Zemtsov N. V. Orekhova G. P. Karpacheva G. N. Bondarenko N. A. Zhilyaeva D. N. Muraviev A. B. Yaroslavtsev 《Russian Chemical Bulletin》2013,62(11):2317-2321
Physicochemical properties and catalytic performance of detonation nanodiamonds were studied. Original samples of nanodiamonds and nanodiamonds modified by hydrogen, oxygen, and nitric acid with hydrogen peroxide and infrared-treated were investigated. The catalyst structure and morphology were examined by transmission electron microscopy and IR spectroscopy. All the investigated catalysts were active in the steam reforming of ethanol. The correlation of catalytic properties with composition and structure of the described systems is discussed. The specific surface area of nanodiamonds is changed insignificantly upon modification. 相似文献
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V. V. Popov A. P. Menushenkov Ya. V. Zubavichus A. A. Veligzhanin A. A. Yaroslavtsev R. V. Chernikov D. S. Leshchev V. F. Petrunin S. A. Korovin J. Bednarcik 《Russian Journal of Inorganic Chemistry》2013,58(3):331-337
Evolution of the nanocrystalline structure of the complex oxide Dy2HfO5 in the course of thermal annealing at temperatures to 1600°C has been studied by a combination of X-ray and synchrotron methods, including traditional and anomalous X-ray diffraction, PDF, EXAFS, and SAXS. The changes in crystallite size upon annealing of the as-synthesized amorphous precursor have been analyzed in detail. The systematic distortions of a fluorite-type perfect crystal structure (space group $Fm\bar 3m$ ) related to the nonequivalence of the local environment of the Dy and Hf cations but not resulting in formation of a pyrochlore-type cationordered structure in this system have been examined. 相似文献
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Russian Chemical Bulletin - 相似文献
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Pet’kov V. I. Shipilov A. S. Fukina D. G. Stenina I. A. Yaroslavtsev A. B. 《Russian Journal of Electrochemistry》2021,57(4):388-394
Russian Journal of Electrochemistry - Vanadate phosphates LiZr2(VO4)x(PO4)3 – x are synthesized by the sol-gel technique with subsequent annealing and studied using X-ray diffraction... 相似文献
8.
E. Yu. Safronova A. V. Parshina E. A. Ryzhkova O. V. Bobreshova A. B. Yaroslavtsev 《Russian Journal of Inorganic Chemistry》2016,61(12):1512-1517
Hybrid materials based on perfluorinated sulfo cation-exchange MF-4SC membrane and nanoparticles of cesium hydrogen phosphotungstate and silicotungstate heteropolyanions were obtained. These membranes with a gradual dopant distribution along the length were used to develop potentiometric sensors for determination of amino-containing organic cations in aqueous solutions at pH < 7. A relationship between the membrane transport characteristics and sensing properties was elucidated. 相似文献
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A. B. Yaroslavtsev 《Russian Journal of General Chemistry》2010,80(3):675-687
Successive analysis of interface defect formation and its implications for the ionic conductivity was carried out for ionically
conducting nanocomposites that hold much significance for technological applications. It was shown that the most efficient
way to prepare such composites is through the use of nanosized particles. A review was made of the current state of research
on inorganic composites and hybrid membrane materials that are already in use in alternative power engineering. 相似文献