Optical absorption properties of the silica-coated CeO2 materials have also been reported in recent works [23]. The high stability of CeO2 and SiO2 has been guaranteed for a long time as well as high durability
against humidity, and therefore, they have potential to be new pigments [24]. Keeping these facts in mind, the main
attention was focused on the pigment synthesis based on
CeO2 doped by small amounts of praseodymium and
transition metal to achieve good red color characteristics
in plastics. The main goal of this study is to understand
relative influence of different counter ions in the optical
properties of ceria based red pigments. In the present study, safer red pigments having the formula Ce0.95MxPr0.05xO2, (M = Mn and Si, x ranges from 0 to 0.05) have been synthesized by a solid-state reaction of the respective oxides.These pigments were characterized for their structural and optical properties and the application of these pigments in a polymer matrix are highlighted.
Optical absorption properties of the silica-coated CeO2 materials have also been reported in recent works [23]. The high stability of CeO2 and SiO2 has been guaranteed for a long time as well as high durabilityagainst humidity, and therefore, they have potential to be new pigments [24]. Keeping these facts in mind, the mainattention was focused on the pigment synthesis based onCeO2 doped by small amounts of praseodymium andtransition metal to achieve good red color characteristicsin plastics. The main goal of this study is to understandrelative influence of different counter ions in the opticalproperties of ceria based red pigments. In the present study, safer red pigments having the formula Ce0.95MxPr0.05xO2, (M = Mn and Si, x ranges from 0 to 0.05) have been synthesized by a solid-state reaction of the respective oxides.These pigments were characterized for their structural and optical properties and the application of these pigments in a polymer matrix are highlighted.
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