Synthesis and characterization of layered and hexagonal nickel–aluminum oxides

Guoan Tai; Wanlin Guo

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Synthesis and characterization of layered and hexagonal nickel–aluminum oxides

机译：Synthesis and characterization of layered and hexagonal nickel–aluminum oxides

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Layered and hexagonal mesostructures of nickel–aluminum oxides templated by alkyl sulfate assemblies were synthesized for the first time by the homogeneous precipitation method using urea. X-ray diffraction patterns and transmission electron microscopy (TEM) proved that there was a transformation from layered to hexagonal mesostructure within a prolonged time of 20 h. The Brunauer–Emmett–Teller surface area was reported after solvent extraction and calcinations at a large range of temperatures. The mesostructured hexagonal solid by the anion-exchange with acetate species results in a mesoporous material with a specific surface area of as large as 277 m2 g-1. The specific surface area decreased from 299 to 71 m2 g-1 as the temperatures of calcination increasing from 523 to 1033 K.

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来源
《Materials Chemistry and Physics》 |2007年第3期|201-205|共5页
作者
Guoan Tai; Wanlin Guo;
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作者单位

Institute of Nanoscience, Nanjing University of Aeronautics and Astronautics, 29 Yudao Street, Nanjing 210016, PR 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);
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正文语种英语
中图分类工程材料学;
关键词
Layered; Hexagonal; Nickel–aluminum oxides; Mesoporous materials;

Synthesis and characterization of layered and hexagonal nickel–aluminum oxides

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