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I. MIRON1,2, I. GROZESCU1,2,*
Pink ZnAl2O4:Cr3+ pigment was prepared by hydrothermal synthesis and annealed at 1000ºC. The prepared sample was characterized by X-ray diffraction, atomic force microscopy and UV/VIS/NIR measurements. The results showed a single – spinel phase for ZnAl2O4:Cr3+ pigment. The average crystallite size was found to be around 31 nm. The optical absorbance spectrum exhibits two broad bands in the range 300 – 450 nm and 450 – 600 nm. These bands were associated with absorption transition of octahedral Cr3+ ions from the ground level 4A2 to the excited levels 4T1 and 4T2..
Zinc Aluminate, Pigment, Chromium, Hydrothermal method.
I. MIRON, I. GROZESCU, Hydrothermal synthesis of ZnAl2O4:Cr3+ nanocrystals, Optoelectronics and Advanced Materials - Rapid Communications, 6, 5-6, May-June 2012, pp.673-675 (2012).
Submitted at: April 21, 2012
Accepted at: June 6, 2012
Optoelectronics and Advanced Materials - Rapid Communications
(2023): 0.5 - 2023 Journal Citation Reports (Clarivate Analytics, 2024)
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