Synthesis of yttria nano-powders by the precipitation method: The influence of ammonium hydrogen carbonate to metal ions molar ratio and ammonium sulfate addition
文献类型：期刊论文
| 作者 | Li, Shanshan1,2; Liu, Binglong2; Li, Jiang2; Zhu, Xingwen1; Liu, Wenbin3; Pan, Yubai2,4; Guo, Jingkun2 |
| 刊名 | JOURNAL OF ALLOYS AND COMPOUNDS
 |
| 出版日期 | 2016-09-05 |
| 卷号 | 678页码:258-266 |
| 关键词 | Y2O3 nano-powders Precipitation method Morphology Phase composition |
| 英文摘要 | Yttria (Y2O3) nano-powders were synthesized by the normal-strike precipitation method. The influences of R (NH4HCO3/M3+, molar ratio) and ammonium sulfate addition were studied throughout the preparation process. Several analytic techniques such as XRD, TG/DSC, SEM and FTIR were used to determine the characteristics of the precursors and Y2O3 powders. It was found that morphologies and phases of the precursors were evidently influenced by the R value. The phases of the precursors were Y-2(CO3)(3)center dot 2.79H(2)O when R was 3-4, while the composition of the precursors with R = 4-5 was (NH4)(a)Y(OH)(b)(CO3)(c)center dot xH(2)O. Homogeneous needle-flake shaped particles composed of coadjacent grains with diameters of about 70 nm were obtained as the R = 3-4. The rhombohedral flake-shaped particles were the products with R = 5-6. The mechanism of the influence of R value on the precipitation of the precursor was also investigated in this work. Pure Y2O3 nano-powders were obtained by calcining the precursors at 1000 degrees C for 4 h regardless of what the R value was. Sulfate ions affect not only dispersion of nanopowders, but also their grain size. Results obtained in this work are contributed to the controllable synthesis of yttria powders. (C) 2016 Published by Elsevier B.V. |
| WOS标题词 | Science & Technology ; Physical Sciences ; Technology |
| 类目[WOS] | Chemistry, Physical ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering |
| 研究领域[WOS] | Chemistry ; Materials Science ; Metallurgy & Metallurgical Engineering |
| 关键词[WOS] | Y2O3 TRANSPARENT CERAMICS ; GARNET YAG POWDERS ; ND/Y2O3 NANOPOWDERS ; OPTICAL-PROPERTIES ; OXIDE CERAMICS ; LASER ; MORPHOLOGY ; YB ; TEMPERATURE ; COMBUSTION |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000376102400037 |
| 源URL | [http://ir.sic.ac.cn/handle/331005/23087]  |
| 专题 | 上海硅酸盐研究所_透明光功能无机材料重点实验室_期刊论文 |
| 作者单位 | 1.Shanghai Univ, Sch Mat Sci & Engn, Shanghai 200436, Peoples R China 2.Chinese Acad Sci, Shanghai Inst Ceram, Key Lab Transparent Optofunct Inorgan Mat, Shanghai 200050, Peoples R China 3.Shanghai Res Inst Criminal Sci & Technol, Shanghai Key Lab Crime Scene Evidence, Shanghai 200083, Peoples R China 4.Shanghai Normal Univ, Dept Phys, Shanghai 200234, Peoples R China |
| 推荐引用方式 GB/T 7714 | Li, Shanshan,Liu, Binglong,Li, Jiang,et al. Synthesis of yttria nano-powders by the precipitation method: The influence of ammonium hydrogen carbonate to metal ions molar ratio and ammonium sulfate addition[J]. JOURNAL OF ALLOYS AND COMPOUNDS,2016,678:258-266. |
| APA | Li, Shanshan.,Liu, Binglong.,Li, Jiang.,Zhu, Xingwen.,Liu, Wenbin.,...&Guo, Jingkun.(2016).Synthesis of yttria nano-powders by the precipitation method: The influence of ammonium hydrogen carbonate to metal ions molar ratio and ammonium sulfate addition.JOURNAL OF ALLOYS AND COMPOUNDS,678,258-266. |
| MLA | Li, Shanshan,et al."Synthesis of yttria nano-powders by the precipitation method: The influence of ammonium hydrogen carbonate to metal ions molar ratio and ammonium sulfate addition".JOURNAL OF ALLOYS AND COMPOUNDS 678(2016):258-266. |
入库方式： OAI收割
来源：上海硅酸盐研究所
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