采用DDA(discrete dipole approximation)方法对用于光催化制氢的半导体粒子的光学性质进行了研究,讨论了形状、尺寸等因素对放置在水中的CdS吸收效率的影响,选取的粒子形状有球形,圆柱形,正四面体,正三棱柱,长方体,正六角棱柱,发现粒子形状对局部表面等离子体共振峰的数目和共振波长有重要影响,而影响CdS吸收效率高低的主要因素为粒子高度,为制备具有高吸收率的CdS粒子提供了一定的理论指导.
参考文献
| [1] | Awazu K;Fujimaki M;Rockstuhl C;Tominaga J;Murakami H;Ohki Y;Yoshida N;Watanabe T .A plasmonic photocatalyst consisting of sliver nanoparticles embedded in titanium dioxide[J].Journal of the American Chemical Society,2008(5):1676-1680. |
| [2] | Jeffrey M.McMahon;Yingmin Wang;Leif J.Sherry .Correlating the Structure,Optical Spectra,and Electrodynamics of Single Silver Nanocubes[J].The journal of physical chemistry, C. Nanomaterials and interfaces,2009(7):2731-2735. |
| [3] | Cobley, C.M.;Skrabalak, S.E.;Campbell, D.J.;Xia, Y. .Shape-controlled synthesis of silver nanoparticles for plasmonic and sensing applications[J].Plasmonics,2009(2):171-179. |
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%