用油酸作表面修饰剂,利用水热法制备了钨酸铅(PbWO4)纳米晶.研究了油酸用量对PbWO4纳米晶修饰效果的影响,并利用X射线衍射仪、扫描电子显微镜、红外光谱仪和接触角测试仪等对产物进行了表征.结果表明,修饰PbWO4纳米晶的油酸最佳用量为6%;样品结晶良好,平均粒径为32nm;表面修饰使得油酸分子中的-COOH和PbWO4纳米晶之间存在化学键结合;油酸修饰PbWO4纳米晶分散性好,无团聚现象;对水的润湿接触角达153.08°,具有超疏水性能,在有机溶剂中具有良好的分散稳定性.
参考文献
[1] | 王炳喜,左正笏.板条状钨酸铅的沉淀法合成及荧光特性[J].人工晶体学报,2008(05):1295-1299. |
[2] | Pavel B;Svetlana Z et al.[J].Optical Materials,2007,30:66-68. |
[3] | 叶崇志,廖晶莹,杨培志,谢建军,罗澜,曹顿华.F,Y双掺钨酸铅晶体的发光性能和微观缺陷[J].物理学报,2006(04):1947-1952. |
[4] | Yang C;Guo Y;Shi P et al.[J].Journal of Crystal Growth,2001,226:79-82. |
[5] | Nikla M;Bohacek P;Mihokova K et al.[J].Applied Physics Letters,1997,71:3755-3757. |
[6] | George T;Joseph S;Sunny AT;Mathew S .Fascinating morphologies of lead tungstate nanostructures by chimie douce approach[J].Journal of nanoparticle research: An interdisciplinary forum for nanoscale science and technology,2008(4):567-575. |
[7] | Zhou G;Lv M;Su B et al.[J].Optical Materials,2006,28:1385-1388. |
[8] | Geng Jun;Zhu Junjie;Chen Hongyuan .[J].Crystal Growth and Design,2006,6(01):321-326. |
[9] | Ryu J H et al.[J].Ceramics International,2006,32:647-652. |
[10] | Geng Jun;Zhu Junjie;Lu Dujuan et al.[J].Inorganic Chemistry,2006,45:8403-8407. |
[11] | He Xiaoyan;Cao Minhua .[J].Nanotechnology,2006,17:3139-3143. |
[12] | Nikl M;Laguta VV;Vedda A .Complex oxide scintillators: Material defects and scintillation performance[J].Physica status solidi, B. Basic research,2008(9):1701-1722. |
[13] | 陈忠伟,余爱萍,罗美芳,方图南,古宏晨.抗紫外纳米ZnO粉体的表面改性与脂肪酸改性机理探讨[J].化学世界,2002(05):227-229,232. |
[14] | Watts B;Thomsen L;Dastoor PC .Measurement of molecular order and orientation in nanoscale organic films[J].Synthetic Metals,2005(1/3):21-24. |
[15] | Hong R Y;Pantt;Qian J Z .[J].Chemical Engineering Journal,2006,119(2-3):71-81. |
[16] | Tang EJ;Cheng GX;Ma XL;Pang XS;Zhao Q .Surface modification of zinc oxide nanoparticle by PMAA and its dispersion in aqueous system[J].Applied Surface Science: A Journal Devoted to the Properties of Interfaces in Relation to the Synthesis and Behaviour of Materials,2006(14):5227-5232. |
[17] | 郑水林.粉体表面改性[M].北京:中国建材工业出版社,2003 |
[18] | Wei S H;Sahuli S K;Agnihotri R et al.[J].Industrial and Engineering Chemistry Research,1997,36:2141-2148. |
[19] | 金星,刘世霆,陈志良,晏媛.正交试验优选水基磁流体制备工艺[J].中国药房,2005(12):895-897. |
[20] | 陈国新 .纳米UV屏蔽透明涂料的制备及性能研究[D].南京工业大学,2003. |
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%