Facile solution-based synthesis and optical properties of Co3O4 nanoparticles at low-temperature View Full Text


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Article Info

DATE

2013-11-15

AUTHORS

Yun-ling Li, Jing-zhe Zhao, Yan Zhao, Xin-li Hao, Zhen-yu Hou

ABSTRACT

Cobalt oxide(Co3O4) with different morphologies was achieved by a simple solution-based method. Various parallel experiments show that several experimental parameters, such as the concentrations of NaOH and ethylene glycol(EG), play important roles in the morphological controlling of Co3O4 nanoparticles. A lower concentration of NaOH favors quasi-spherical product with a uniform size of about 15 nm, whereas a higher concentration of NaOH generally leads to the formation of nanoplates with wide size distribution. In addition, Co3O4 nanorods were also obtained partially by introducing a certain amount of EG. A possible mechanism was proposed for the selective formation of Co3O4 with various morphologies. X-Ray diffraction(XRD), infrared(IR) spectrometry, scanning electron microscopy(SEM), transmission electron microscopy(TEM) and UV-Vis spectrometry were used to characterize the samples. More... »

PAGES

1040-1044

Identifiers

URI

http://scigraph.springernature.com/pub.10.1007/s40242-013-3137-0

DOI

http://dx.doi.org/10.1007/s40242-013-3137-0

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1001486698


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