微晶
材料科学
拉曼光谱
热液循环
透射电子显微镜
尖晶石
纳米晶
水热合成
微观结构
粉末衍射
氧化物
粒径
矿物学
衍射
相(物质)
扫描电子显微镜
结晶学
比表面积
分析化学(期刊)
化学工程
纳米技术
光学
冶金
复合材料
化学
催化作用
生物化学
物理
有机化学
色谱法
工程类
作者
Suraj K. Tripathy,Maria Christy,Nam-Hee Park,Eun‐Kyung Suh,Shashi Anand,Yeon-Tae Yu
标识
DOI:10.1016/j.matlet.2007.07.037
摘要
The single step hydrothermal synthesis of well-dispersed cobalto-cobaltic oxide (Co3O4) cubic nanocrystals has been reported. Microstructure and phase have been unambiguously characterized by XRD, TEM and Raman spectroscopy. Powder X-ray diffraction (XRD) and Raman spectrum showed that the as-prepared sample was of cubic spinel structure. Transmission electron microscopy indicated that the Co3O4 nanocrystals were cubical with the crystallite size in the range of 20–30 nm. Since the particle size of the powdered samples were found to be equivalent from both TEM and X-ray diffraction technique, it can be expected that the nanocubes are single crystalline. The average BET surface area was found to be 75 m2 g− 1 and the average pore diameter was found to be 15 nm.
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