以( NH4) 2Fe( SO4)2·6H2O和NaWO4·2H2O为起始原料,水热合成了FeWO4微晶.采用X射线衍射(XRD)以及透射电镜(TEM)对制备的微晶进行了测试和表征.结果表明,在水热温度110℃,24h条件下即可制备出单一物相的FeWO4微晶.随着水热时间的延长和水热温度的增加,产物由针状变为粒状结构,并且产物的结晶性能有所提高,晶粒尺寸逐渐增大.动力学研究表明,FeWO4微晶粒生长符合Brook关系,计算得到晶粒生长活化能为Ea=17.36 kJ/mol.
参考文献
| [1] | Zhan Q;Yao W T;Chen X et al.Near Monodisperse Tungstate Microspheres(MWO4,M =Pb,Ca):Surfactant Assisted Synthesis,and Property[J].Crystal Growth and Design,2007,7:142. |
| [2] | 田小可 .新型纳米钨酸铋制备及可见光催化降解水中有机污染物的研究[D].河南师范大学,2009. |
| [3] | Liu, SW;Yu, JG .Cooperative self-construction and enhanced optical absorption of nanoplates-assembled hierarchical Bi2WO6 flowers[J].Journal of Solid State Chemistry,2008(5):1048-1055. |
| [4] | XuChunSong;Yi FanZheng;Rong Ma;Yao YuanZhang;Hao YongYin .Photocatalytic activities of Mo-doped Bi_2WO_6 three-dimensional hierarchical microspheres[J].Journal of hazardous materials,2011(1):186-191. |
| [5] | Yan, T.;Li, L.;Tong, W.;Zheng, J.;Wang, Y.;Li, G. .CdWO4 polymorphs: Selective preparation, electronic structures, and photocatalytic activities[J].Journal of Solid State Chemistry,2011(2):357-364. |
| [6] | Han J R;Zhou G Y;Liu F Z et al.Synthesis,Growth and Doped Properties of PbWO4 Crystals[J].Crystal Growth and Charact,2000,40:167-172. |
| [7] | Zhou, HJ;Yiu, Y;Aronson, MC;Wong, SS .Ambient template synthesis of multiferroic MnWO4 nanowires and nanowire arrays[J].Journal of Solid State Chemistry,2008(7):1539-1545. |
| [8] | Yan Xing;Shuyan Song;Jing Feng .Microemulsion-mediated solvothermal synthesis and photoluminescent property of 3D flowerlike MnWO_4 micro/nanocomposite structure[J].Solid state sciences,2008(10):1299-1304. |
| [9] | Zhou Y X;Zhang Q;Gong J Y et al.Surfactant-assisted Hydrothermal Synthesis and Magnetic Properties of Urchin-like MnWO4 Microspheres[J].Phys Chem C,2008,112:13383. |
| [10] | Bonanni M.;Lerch M.;Fuglein E.;Muller G.;Jermann F.;Spanhel L. .Conversion of colloidal ZnO-WO3 heteroaggregates into strongly blue luminescing ZnWO4 xerogels and films[J].Chemistry of Materials,1998(1):304-310. |
| [11] | Yu S H;Antonietti M;Clfen H et al.Synthesis of very Thin 1D and 2D CdWO4 Nanoparticles with Improed Fluorescence Behavior by Polymer Controlled Crystallization[J].Angewandte Chemie International Edition,2002,41:2356-2360. |
| [12] | Serena Kwan;Franklin Kim;Jennifer Akana;Peidong Yang .Synthesis and assembly of BaWO_4 nanorods[J].Chemical communications,2001(5):447-448. |
| [13] | Xiao-Luo Hu;Ying-Jie Zhu .Morphology Control of PbWO_4 Nano-and Microcrystals via a Simple,Seedless,and High-Yield Wet Chemical Route[J].Langmuir: The ACS Journal of Surfaces and Colloids,2004(4):1521-1523. |
| [14] | Sriraman AK.;Tyagi AK. .A new method of Fe-2(WO4)(3) preparation and its thermal stability[J].Thermochimica Acta: An International Journal Concerned with the Broader Aspects of Thermochemistry and Its Applications to Chemical Problems,2003(1/2):29-33. |
| [15] | Zhang Q;Chen XY;Zhou YX;Zhang GB;Yu SH .Synthesis of ZnWO4@MWO4 (M = Mn, Fe) core-shell nanorods with optical and antiferromagnetic property by oriented attachment mechanism[J].The journal of physical chemistry, C. Nanomaterials and interfaces,2007(10):3927-3933. |
| [16] | Fu-Shan Wen;Xu Zhao;Hua Huo .Hydrothermal synthesis and photoluminescent properties of ZnWO_4 and Eu~(3+)-doped ZnWO_4[J].Materials Letters,2002(3):152-157. |
| [17] | Yu S H;Liu B;Mo M S et al.Generqal Synthesis of Single Crystal Tungstate Nanorods/Nanowires:a Facile Low Temperature Solution Approach[J].Advanced Functional Materials,2003,13:639-647. |
| [18] | Shuijin Lei;Kaibin Tang;Zhen Fang .Synthesis of MnWO_4 nanofibres by a surfactant-assisted complexation--precipitation approach and control of morphology[J].Nanotechnology,2005(10):2407-2411. |
| [19] | 齐慧,黄剑锋,曹丽云,李嘉胤,吴建鹏.微波水热时间对CuS微晶形貌及光学性能的影响[J].人工晶体学报,2011(05):1188-1193. |
| [20] | 郝品,黄剑锋,曹丽云,吴建鹏,贺海燕.NiTiO3纳米晶的溶胶-凝胶制备工艺研究[J].人工晶体学报,2010(02):336-340. |
| [21] | 周向玲,丁晓丽,拜合提亚,郑毓峰.水热法合成ZnS纳米粉晶及其生长机理探究[J].长春师范学院学报（自然科学版）,2010(03):53-55. |
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