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Synthesis and spectroscopic investigation of cobalt oxide nanoparticles
Author(s) -
Mahmoud Khaled H.
Publication year - 2016
Publication title -
polymer composites
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.577
H-Index - 82
eISSN - 1548-0569
pISSN - 0272-8397
DOI - 10.1002/pc.23364
Subject(s) - thermogravimetric analysis , materials science , cobalt oxide , calcination , cobalt , nanoparticle , thermal decomposition , oxide , composite number , chemical engineering , scanning electron microscope , composite material , nanotechnology , metallurgy , organic chemistry , chemistry , catalysis , engineering
Hydroxyethyl cellulose and cobalt chloride are used as precursor materials for the synthesis of cobalt oxide (Co 3 O 4 ) nanoparticles. A composite system from polymer and metal chloride is prepared via casting technique. The thermal decomposition of the composite is studied using thermogravimetric technique. Calcination of the composite system at 350°C resulted in the formation of Co 3 O 4 nanoparticles. X‐ray diffraction analysis reveals the presence of crystalline Co 3 O 4 with an average particle size of around 15 nm. The bonding nature and morphology of nanosized Co 3 O 4 are examined using transmission electron microscopy and infrared spectroscopy. The Tauc's plot indicates the energy band gap for direct allowed transition as 3.2 eV and 1.4 eV. POLYM. COMPOS., 37:1881–1885, 2016. © 2015 Society of Plastics Engineers
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