Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
1555078 | Superlattices and Microstructures | 2008 | 7 Pages |
Abstract
Flower-shaped β- Ni(OH)2 structures composed of thin nanosheet networks have been synthesized via the simple aqueous solution route by using nickel chloride and ammonium hydroxide at 65 âC in 4 h. The general morphological observations revealed that the flowers are composed of thin nanosheets which were connected to each other in such a manner that they form network-like morphologies. Moreover, single-crystalline flower-shaped NiO structures composed of thin nanosheets were also obtained by thermal decomposition of flower-shaped β- Ni(OH)2 structures. The shape of nanosheet networks in β- Ni(OH)2 was sustained after thermal decomposition to NiO however, some broken nanosheets were also observed from the flower-shaped structures of NiO. The as-prepared products were characterized by X-ray powder diffraction (XRD), field emission scanning electron microscope (FESEM), transmission electron microscope (TEM), high-resolution TEM (HRTEM), Fourier transform infrared spectroscopy (FTIR), and Thermogravimetric analysis (TGA).
Related Topics
Physical Sciences and Engineering
Materials Science
Electronic, Optical and Magnetic Materials
Authors
A. Al-Hajry, Ahmad Umar, M. Vaseem, M.S. Al-Assiri, F. El-Tantawy, M. Bououdina, S. Al-Heniti, Y.-B. Hahn,