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Vol. 3 No. 3 (2011)

Urchin-like NiO Superstructures Prepared by Simple Thermal Decomposition Process

https://doi.org/10.1007/BF03353668
Hua Jiao
College of chemistry and science, Weinan Teachers University, Weinan, 714000, China

Corresponding Author: Hua Jiao

jiaohua0106@yahoo.com.cn

Nano-Micro Letters, Vol. 3 No. 3 (2011), Article Number: 166-170

Abstract

Urchin-like NiO superstructures have been prepared via a thermal decomposition reaction of NiC2O4 at 400°C for 1 h. The morphology and structure of the synthesized urchin-like superstructures have been characterized by X-ray diffraction, field emission scanning electron microscopy and transmission electron microscopy. The results show that urchin-like NiO superstructures were a polycrystal with cubic structure and typical diameters of 200 to 500 nm and the self-assembly nanoparticles average diameter is 14 nm. The as-prepared NiO superstructures have a high Brunauer-Emmett-Teller surface area of about 60.32 m2/g. The UV-vis spectrum of urchin-like NiO consists of one peak at 357 nm (3.47 eV).

Keywords

NiO superstructures Thermal decomposition Ultraviolet analysis
Jiao, Hua. 2011. “Urchin-Like NiO Superstructures Prepared by Simple Thermal Decomposition Process”. Nano-Micro Letters 3 (3):166-70. https://doi.org/10.1007/BF03353668.
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