采用微波辅助溶胶-凝胶自蔓燃法制备了具有准同型相界组成的0.94Na0.5 Bi0.5TiO3-0.06BaTiO3(0.94NBT-0.06BT)粉体,采用X射线粉末衍射、红外光谱、热重-差热等分析手段对粉体进行了分析表征.通过对合成工艺中溶液的pH值、不同络合剂、微波功率等参数的优化,获得了合成单相钙钛矿结构0.94NBT-0.06BT元铅压电纳米粉体的最优工艺参数:使用柠檬酸作为络合剂、溶液pH值为4～6、微波功率为520 W,热处理温度为500℃,合成后的粉体大小均匀,粒度分布在10 ～ 20 nm之间.利用红外光谱和热分析探讨了蔓燃反应的合成机理.
参考文献
| [1] | 沈宗洋,李敬锋.（Na,K）NDO_3基无铅压电陶瓷的研究进展[J].硅酸盐学报,2010(03):510-520. |
| [2] | 穆文芳,杜慧玲,史翔,杜少明.BNT-BT-ST系无铅压电陶瓷的介电与铁电特性[J].硅酸盐学报,2011(12):1941-1946. |
| [3] | K. Praveena;K. B. R. Varma .Improved magneto-electric response in Na_(0.5)Bi_(0.5)TiO_3-MnFe_2O_4 composites[J].Journal of Materials Science. Materials in Electronics,2014(1):111-116. |
| [4] | Wu YG.;Zhang HL.;Zhang Y.;Ma JY.;Xie DH. .Lead-free piezoelectric ceramics with composition of (0.97-x)Na1/2Bi1/2TiO3-0.03NaNbO(3)-x BaTiO3[J].Journal of Materials Science,2003(5):987-994. |
| [5] | Xu Q;Chen ST;Chen W;Wu SJ;Zhou J;Sun HJ;Li YM .Synthesis and piezoelectric and ferroelectric properties of (Na0.5Bi0.5)(1-x)BaxTiO3 ceramics[J].Materials Chemistry and Physics,2005(1):111-115. |
| [6] | 马晓,薛丽红,严有为.Na0.5Bi0.5TiO3纳米纤维的制备及形成机理研究[J].无机材料学报,2011(12):1251-1255. |
| [7] | 于九利,张梅,郭敏,彭犇.溶剂热法制备织构化Bi0.5 Na0.5 TiO3陶瓷的影响因素[J].北京科技大学学报,2011(10):1253-1259. |
| [8] | Xiu-Cheng Zheng;Guang-Ping Zheng;Zheng Lin .Thermal and dynamic mechanical analyses on Bi_(0.5)Na_(0.5)TiO_3-BaTiO_3 ceramics synthesized with citrate method[J].CERAMICS INTERNATIONAL,2013(2):1233-1240. |
| [9] | Yonggang Wang;Gang Xu;Linlin Yang .Hydrothermal synthesis and characterization of Na_(0.5)Bi_(0.5)TiO_3 microcubes[J].CERAMICS INTERNATIONAL,2009(4):1657-1659. |
| [10] | Yuanhua Lin;Ce-Wen Nan;Janfei Wang .Photoluminescence of nanosized Na_(0.5)Bi_(0.5)TiO_3 synthesized by a sol-gel process[J].Materials Letters,2004(5):829-832. |
| [11] | 李方旭,刘超,肖定全.钛酸铋钠基无铅压电陶瓷的组分设计与性能调控研究进展[J].功能材料,2013(07):913-917. |
| [12] | Shite Li;Yi Yue;Xiaojie Ning.Hydrothermal synthesis and characterization of (1-x)K_(0.5)Na_(0.5)NbO_3-xBi_(0.5)Na_(0.5)TiO_3 lead-free ceramics[J].Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics,2014:248-256. |
| [13] | A. Chaouchi;S. Kennour;S. d'Astorg .Characterization of sol-gel synthesised lead-free (1 -x)Na_(0.5)Bi_(0.5)TiO_3-xBaTiO_3 -based ceramics[J].Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics,2011(37):9138-9143. |
| [14] | 燕青芝,宿新泰,周艳平,葛昌纯.Sol-gel自蔓燃法控制合成二氧化钛纳米粉体及性能[J].物理化学学报,2005(01):57-62. |
| [15] | 史载锋,宋雪芳,李娟.溶胶-凝胶自蔓燃法制备铁掺杂纳米TiO2光催化剂[J].应用化学,2010(10):1177-1181. |
| [16] | Elisa Mercadelli;Carmen Galassi;Anna Luisa Costa .Sol-gel combustion synthesis of BNBT powders[J].Journal of Sol-Gel Science and Technology,2008(1):39-45. |
| [17] | Hou JG;Qu YF;Ma WB;Shan D .Synthesis and piezoelectric properties of (Na0.5Bi0.5)(0.94)Ba0.06TiO3 ceramics prepared by sol-gel auto-combustion method[J].Journal of Materials Science,2007(16):6787-6791. |
| [18] | 杜娴,杜慧玲,黄锦阳,史翔.钛酸铋钠基无铅压电材料的溶胶-凝胶自蔓燃制备工艺研究[J].人工晶体学报,2011(06):1504-1509. |
| [19] | 秦帆,吴际良,吕中,余响林,陈嵘.微波法合成硫化铋纳米棒[J].北京科技大学学报,2010(05):638-643. |
| [20] | 施新宇,吴东辉,华平.微波照射制备钛酸钡纳米晶[J].无机化学学报,2008(07):1182-1185. |
| [21] | 李月明,刘虎,沈宗洋,王竹梅,洪燕,李润润.微波水热辅助法制备铌酸钾钠基无铅压电陶瓷[J].硅酸盐学报,2011(12):1922-1927. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%