Citation: Zhang Jin, Zhao Jiang, He Hui-Xin, Zhang Hao-Li, Li Hu-Lin, Liu Zhong-Fan. Mutual Coupling of Surface Electromagnetic Wave Between Silver Particles: Studies on the Mechanism of the Surface Enhanced Infrared Spectroscopy[J]. Acta Physico-Chimica Sinica, 1998, 14(04): 375-379. doi: 10.3866/PKU.WHXB19980418
English
Mutual Coupling of Surface Electromagnetic Wave Between Silver Particles: Studies on the Mechanism of the Surface Enhanced Infrared Spectroscopy
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.
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