Microwave-Ultrasonic Synergistic Preparation of Nano Spherical Dysprosium Oxide AITranslate
Abstract AITranslate
Under the synergistic action of microwave-ultrasonic, Dy2O3 precursor(Dy(OH)CO3·H2O) was prepared by the reaction of a certain concentration of DyCl3 solution with urea as precipitant, and then the nano spherical Dy2O3 was obtained by calcination.The effects of Dy3+ concentration, urea concentration and ultrasonic power on the morphology of Dy2O3 precursor were explored.The morphology and microstructure of Dy2O3 precursor before and after calcination were characterized, and the calcination decomposition mechanism was analyzed by scanning electron microscope, synchronous thermal analyzer, X-ray diffractometer, and Fourier infrared spectrometer.The results show that Dy(OH)CO3·H2O with uniform particle size, smooth surface, good dispersion and particle size of about 220 nm can be obtained under the conditions of Dy3+ concentration of 0.045 mol/L,urea concentration of 2.5 mol/L,microwave power of 500 W,ultrasonic power of 800 W,ultrasonic mode of 1∶2,reaction time of 1 h and reaction temperature of 90 ℃.The precursor can be completely decomposed at the calcination temperature of 800 ℃,and nano spherical Dy2O3 with particle size of about 200 nm can be obtained.
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Chinese Library Classification Number:TF845.3[冶金工程—有色金属冶金]
Citation Information:
Under the synergistic action of microwave-ultrasonic, Dy2O3 precursor(Dy(OH)CO3·H2O) was prepared by the reaction of a certain concentration of DyCl3 solution with urea as precipitant, and then the nano spherical Dy2O3 was obtained by calcination.The effects of Dy3+ concentration, urea concentration and ultrasonic power on the morphology of Dy2O3 precursor were explored.The morphology and microstructure of Dy2O3 precursor before and after calcination were characterized, and the calcination decomposition mechanism was analyzed by scanning electron microscope, synchronous thermal analyzer, X-ray diffractometer, and Fourier infrared spectrometer.The results show that Dy(OH)CO3·H2O with uniform particle size, smooth surface, good dispersion and particle size of about 220 nm can be obtained under the conditions of Dy3+ concentration of 0.045 mol/L,urea concentration of 2.5 mol/L,microwave power of 500 W,ultrasonic power of 800 W,ultrasonic mode of 1∶2,reaction time of 1 h and reaction temperature of 90 ℃.The precursor can be completely decomposed at the calcination temperature of 800 ℃,and nano spherical Dy2O3 with particle size of about 200 nm can be obtained.
quote
| GB/T 7714-2015 | [1] DENG Geng-feng, LI Zhi-wu, ZHOU Xiao-ming. Microwave-Ultrasonic Synergistic Preparation of Nano Spherical Dysprosium Oxide[J]. Rare Metals and Cemented Carbides, 2021(2): 29-35. |
| MLA | [1] DENG Geng-feng, et al., "Microwave-Ultrasonic Synergistic Preparation of Nano Spherical Dysprosium Oxide." Rare Metals and Cemented Carbides, no. 2, 2021, pp. 29-35. |
| APA | [1] DENG Geng-feng, LI Zhi-wu, & ZHOU Xiao-ming. (2021). Microwave-Ultrasonic Synergistic Preparation of Nano Spherical Dysprosium Oxide. Rare Metals and Cemented Carbides(2), 29-35. |
| IEEE | [1] DENG Geng-feng, LI Zhi-wu, and ZHOU Xiao-ming, "Microwave-Ultrasonic Synergistic Preparation of Nano Spherical Dysprosium Oxide," Rare Metals and Cemented Carbides, no. 2, pp. 29-35, 2021. keywords: {microwave-ultrasonic synergy;nano spherical dysprosium oxide;calcination;precursor;DyClsolution;urea;Dy(OH)CO·HO} |