Controllable Synthesis of CaMoO₄ Microcrystals with Tailored Morphologies and Optical Properties

Abstract:

CaMoO4 microcrystals with controllable morphologies and luminescent properties were successfully synthesized via hydrothermal treatment. The as-prepared samples are characterized using X-ray powder diffraction, scanning electron microscopy; Fourier transformed infrared spectra. By adjusting the fundamental experimental parameters including reaction time, temperature and the amount of organic additives, CaMoO4 exhibited various morphologies, such as particles, dumbbells as well as flowers. Moreover, it is seen that CaMoO4 can be well crystallized with tetragonal structure at room temperature. The photoluminescence spectra of CaMoO4 display a strong and broad band emission with a maximum at 550 nm under excitation wavelength of 310 nm at room temperature. The luminescent intensity of CaMoO4 varied with the reaction time and temperature and was optimized at 200 oC, 45 h. The work provides a facile synthetic route for the construction of inorganic materials with controllable morphologies and luminescent properties

• Periodical: Advanced Materials Research (Volumes 490-495)
• Pages: 3145-3149
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.490-495.3145
• Online since: March 2012
• Authors: Li Lv, Yu Zhe Xie, Xiao Qing Liu, Yi Guo Su, Xiao Jing Wang
• Keywords: CaMoO₄, Hydrothermal, Morpholoy, Photoluminescence (PL)

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