本文用热蒸发气相沉积的方法在镀有金催化剂的锌片上成功合成了蒲公英状ZnO微米球结构.扫描电镜观察结果表明合成的ZnO微米球平均直径约5微米,表面二次生长的纳米线平均直径约20纳米,长度达几微米.透射电镜分析发现二次生长的纳米线具有单晶结构,其生长方向沿[001]方向.同时研究了沉积衬底、原材料种类和比例对合成产物形貌的影响,对合成微米球的室温光致发光性能进行了研究.合成的这种微米球结构在传感器等纳米器件领域有着潜在的应用前景.
参考文献
[1] | J.Y.Lao;J.Y.Huang;D.Z.Wang;Z.F.Ren .Hierarchical oxide nanostructures[J].Journal of Materials Chemistry: An Interdisciplinary Journal dealing with Synthesis, Structures, Properties and Applications of Materials, Particulary Those Associated with Advanced Technology,2004(4):770-773. |
[2] | Jing Yu Lao;Jian Guo Wen;Zhi Feng Ren .Hierarchical ZnO Nanostructures[J].Nano letters,2002(11):1287-1291. |
[3] | Wen JG.;Lao JY.;Wang DZ.;Kyaw TM.;Foo YL.;Ren ZF. .Self-assembly of semiconducting oxide nanowires, nanorods, and nanoribbons[J].Chemical Physics Letters,2003(5-6):717-722. |
[4] | J. Y. Lao;J. Y. Huang;D. Z. Wang;Z. F. Ren .ZnO Nanobridges and Nanonails[J].Nano letters,2003(2):235-238. |
[5] | Li GR;Lu XH;Qu DL;Yao CZ;Zheng FL;Bu Q;Dawa CR;Tong YX .Electrochemical growth and control of ZnO dendritic structures[J].The journal of physical chemistry, C. Nanomaterials and interfaces,2007(18):6678-6683. |
[6] | Xiang Wu;Peng Jiang;Wei Cai;Xue-Dong Bai;Peng Gao;Si-Shen Xie .Hierarchical ZnO Micro-/Nano-Structure Film[J].Advanced Engineering Materials,2008(5):476-481. |
[7] | Wu Xiang,Cai Wei,Qu Feng-Yu.Spontaneous formation of single crystal ZnO nanohelices[J].中国物理B(英文版),2009(04):1669-1673. |
[8] | Shen GZ;Bando Y;Lee CJ .Synthesis and evolution of novel hollow ZnO urchins by a simple thermal evaporation process[J].The journal of physical chemistry, B. Condensed matter, materials, surfaces, interfaces & biophysical,2005(21):10578-10583. |
[9] | W. D. Yu;X. M. Li;X. D. Gao .Self-catalytic synthesis and photoluminescence of ZnO nanostructures on ZnO nanocrystal substrates[J].Applied physics letters,2004(14):2658-2660. |
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%