Hydrothermal synthesis of stable mesoporous ZrO2-Y2O3 and CeO2-ZrO2-Y2O3 from simple inorganic salts and CTAB template in aqueous medium

Feng  RM; Yang  XJ; Ji  WJAu  CT

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Hydrothermal synthesis of stable mesoporous ZrO2-Y2O3 and CeO2-ZrO2-Y2O3 from simple inorganic salts and CTAB template in aqueous medium

机译：Hydrothermal synthesis of stable mesoporous ZrO2-Y2O3 and CeO2-ZrO2-Y2O3 from simple inorganic salts and CTAB template in aqueous medium

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摘要

Mesoporous zirconia-yttria (ZYO) and ceria-zirconia-yttria (CZYO) have been synthesized for the first time from simple inorganic salts rather than expensive alkoxides in aqueous medium using CTAB as template. The approach is simple and economical. The fabricated ZYO and CZYO materials show typical mesoporous characteristics. The surface areas are 200 and 139 m(2) g(-1) and the average pore diameters are ca. 5.7 and 6.8 nm, respectively. The framework of the meso-materials show high crystallinity, and the mesopores are narrow in pore size distribution and show interconnected feature. The high thermal stability and the large surface area at temperature as high as 550 degrees C suggests that the materials are suitable for high-temperature catalytic applications. (C) 2007 Elsevier B.V. All rights reserved.

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《Materials Chemistry and Physics》 |2008年第1期|132-136|共5页
作者
Feng RM; Yang XJ; Ji WJAu CT;
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作者单位

Nanjing Univ, Sch Chem & Chem Engn, Minist Educ, Key Lab Mesoscopic Chem, Nanjing 210093, Peoples R China;

Hong Kong Baptist Univ, Dept Chem, Ctr Surface Anal & Res, Kowloon, Hong Kong, Peoples R China;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
原文格式 PDF
正文语种英语
中图分类工程材料学;
关键词
oxides; chemical synthesis; precipitation; heterostructures; ZIRCONIA SOLID-SOLUTIONS; FUEL-CELL MATERIALS; YTTRIA-ZIRCONIA; STABILIZED ZIRCONIA; THERMAL-STABILITY; METAL-OXIDES; MIXED OXIDES; N-BUTANE; PART 2; SURFACTANT;

Hydrothermal synthesis of stable mesoporous ZrO2-Y2O3 and CeO2-ZrO2-Y2O3 from simple inorganic salts and CTAB template in aqueous medium

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