以SmCl3·6H2O和NaOH为主要原料,异丙醇为溶剂,借助不同模板剂对Sm2O3微晶进行可控合成.在200℃溶剂热条件下反应48h后得到前驱体,经800℃热处理1h后制得了不同结构和形貌的Sm2O3微晶.利用X射线衍射仪(XRD)、扫描电子显微镜(SEM)和Lambda 950分光光度计分别对产物的物相、形貌和光学性能进行表征,并研究了不同模板剂对产物的物相、形貌及光学性能的影响.结果表明,不同模板剂对产物的结构、尺寸及性能产生不同的影响.以CTAB作为模板剂时,制备了含有立方相和单斜相两相的、六方片状结构的Srm2O3微晶,其禁带宽度为4.828eV.
参考文献
| [1] | 张洪杰,洪广言,李德谦,牛春吉,倪嘉缵.我国稀土化学的进展[J].化学通报,2001(06):325-331. |
| [2] | Sheng-Yao Huang;Ting-Chang Chang;Min-Chen Chen;Shih-Ching Chen;Hung-Ping Lo;Hui-Chun Huang;Der-Shin Gan;Simon M. Sze;Ming-Jinn Tsai .Resistive Switching Characteristics Of Sm2O3 Thin Films For Nonvolatile Memory Applications[J].Solid-State Electronics,2011(1):189-191. |
| [3] | Gao JZ.;Zhao YC.;Yang W.;Tian JN.;Guan F.;Ma YJ.;Hou JG.;Kang JW. Wang YC. .Preparation of samarium oxide nanoparticles and its catalytic activity on the esterification[J].Materials Chemistry and Physics,2003(1):65-69. |
| [4] | A.A. Dakhel .Dielectric and optical properties of samarium oxide thin films[J].Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics,2004(1/2):233-239. |
| [5] | Martel JF.;Lejus AM.;Viana B.;Vivien D.;Jandl S. .Optical crystal field study of Sm2O3 (C- and B-type)[J].Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics,1998(0):353-355. |
| [6] | Yin Lixiong;Huang Jianfeng;Huang Yam et al.Orientation growth and optical properties of Sm2O)3 thin films[J].Current Advances in Materials and Processes,2010,105-106:345-347. |
| [7] | Mandal B.;Thakur SN. .Laser photoacoustic spectra of Sm3+ ion in Sm2O3 and SmCl3 center dot 6H(2)O in the spectral profile 484-542 nm[J].Spectrochimica acta, Part A. Molecular and biomolecular spectroscopy,2004(4):933-939. |
| [8] | Mochizuki S. .Intense white luminescence of Sm2O3 irradiated with ultraviolet laser light under vacuum[J].Physica, B. Condensed Matter,2003(0):944-948. |
| [9] | Hussein GAM.;Buttrey DJ.;DeSanto P.;Abd-Elgaber AA.;Roshdy H.;Myhoub AYZ. .Formation and characterization of samarium oxide generated from different precursors[J].Thermochimica Acta: An International Journal Concerned with the Broader Aspects of Thermochemistry and Its Applications to Chemical Problems,2003(1/2):27-36. |
| [10] | Kuang Q;Lin ZW;Lian W;Jiang ZY;Xie ZX;Huang RB;Zheng LS .Syntheses of rare-earth metal oxide nanotubes by the sol-gel method assisted with porous anodic aluminum oxide templates[J].International Journal of Quantum Chemistry,2007(4):1236-1242. |
| [11] | 耿寿花,朱文庆,常鹏梅,陈亚芍.反相微乳液介质中纳米Sm2O3的制备[J].物理化学学报,2008(09):1609-1614. |
| [12] | Jun Yang;Chunxia Li;Zewei Quan .Self-Assembled 3D Flowerlike Lu2O3 and Lu2O3:Ln~(3+) (Ln = Eu, Tb, Dy, Pr, Sm, Er, Ho, Tm) Microarchitectures: Ethylene Glycol-Mediated Hydrothermal Synthesis and Luminescent Properties[J].The journal of physical chemistry, C. Nanomaterials and interfaces,2008(33):12777-12785. |
| [13] | 李红,张旭东,何文,徐国纲,贾兴涛.溶剂热法制备YAG微粉及其机理分析[J].功能材料,2006(01):25-26,32. |
| [14] | 刘淑玲,李淑,石强强,李苗苗.Ni12P5微球的溶剂热合成与表征[J].功能材料,2012(14):1885-1888,1893. |
| [15] | 殷立雄,黄剑锋,郝巍,李嘉胤,曹丽云,吴建鹏.水热前驱溶液pH值对Sm2O3微晶相组成及显微结构的影响[J].陕西科技大学学报（自然科学版）,2012(06):36-39. |
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