Synthesis and Characterization of YCr_xAl_1-xO₃ Particles by a Reverse Micelle Processing

Abstract:

YCr_xAl_1-xO₃ nanoparticles were synthesized by a reverse micelle processing for inorganic pigment. Y(NO₃)₂·6H₂O, Cr (NO₃)₂·6H₂O and Al (NO₃)₃·9H₂O are used for precursors in order to synthesis YCr_xAl_1-xO₃ nanoparticles. The aqueous solution consists of mixing the molar ratio of Y/Cr/Al at 1:x:1-x and heat treated at 900~1300°C for 2h. The average size and distribution of synthesized YCr_xAl_1-xO₃ powders was in the range of 10-20nm and narrow, respectively. The average size of the synthesized YCr_xAl_1-xO₃ powders increased with increasing water to surfactant molar ratio and heating temperature. The crystallinity of synthesized YCr_xAl_1-xO₃ powder increased with increasing heating temperature. The synthesized YCr_xAl_1-xO₃ powders were characterized by X-ray diffraction analysis (XRD), field emission scanning electron microscopy (FE-SEM) and color spectrophotometer. The properties of the synthesized powders were affected by such variables as molar ratio, heating temperature etc.

• Periodical: Journal of Nano Research (Volume 47)
• Pages: 54-59
• DOI: https://doi.org/10.4028/www.scientific.net/JNanoR.47.54
• Online since: May 2017
• Authors: Dae Han Lee, Ji Young Ock, Jeong Hoon Son, Dong Sik Bae*
• Keywords: Inorganic Pigment, Nanoparticle, Perovskite, Reverse Micelle, YAlO₃

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