物理化学学报 >> 1998, Vol. 14 >> Issue (04): 375-379.doi: 10.3866/PKU.WHXB19980418

研究简报 上一篇    下一篇

银岛膜中银颗粒间表面电磁波的耦合

张锦, 赵江, 何会新, 张浩力, 力虎林, 刘忠范   

  1. 北京大学化学与分子工程学院,智能材料研究中心,北京 100871|兰州大学化学系,兰州 730000
  • 收稿日期:1997-07-19 修回日期:1997-11-20 发布日期:1998-04-15
  • 通讯作者: 刘忠范

Mutual Coupling of Surface Electromagnetic Wave Between Silver Particles: Studies on the Mechanism of the Surface Enhanced Infrared Spectroscopy

Zhang Jin, Zhao Jiang, He Hui-Xin, Zhang Hao-Li, Li Hu-Lin, Liu Zhong-Fan   

  1. Center for Intelligent Materials Research(CIMR),College of Chemistry and Molecular Engineering,Peking University,Beijing 100871|China,Department of Chemistry,Lanzhou University,Lanzhou 730000
  • Received:1997-07-19 Revised:1997-11-20 Published:1998-04-15
  • Contact: Liu Zhong-Fan

关键词: 表面增强红外光谱, 表面电磁波耦合, 银岛膜, LB膜

Abstract:

Mutual coupling of surface electromagnetic wave between different silver particles on silver island substrates is realized experimentally and its effect on surface enhanced infrared spectroscopy is studied. Silver island substrates of different size and distribution of silver particles have been prepared by the vacuum evaporation and rapid thermal annealing, and characterized by atomic force microscopy (AFM) and UV-visible spectroscopy. The surface enhanced infrared spectra of 4-Octyl-4'-(3-carboxy-trimethylene -oxy)-azobenzene (referred as ABD) LB monolayer are studied on such silver island films. The results elucidates the important role of the coupling of surface electromagnetic wave between silver particles in surface enhanced infrared spectroscopy.

Key words: Surface enhanced infrared spectroscopy, Coupling of surface electromagnetic wave, Silver island films, LB monolayer