Multiphoton photoemission of self-assembled silver nanocrystals

被引：11
|
作者：
Maillard, M [1 ]
Monchicourt, P [1 ]
Pileni, MP [1 ]
机构：
[1] CEA, Ctr Etud Saclay, Serv Photons Atomes & Mol, F-91191 Gif Sur Yvette, France
来源：
CHEMICAL PHYSICS LETTERS | 2003年 / 380卷 / 5-6期
关键词：
D O I：
10.1016/j.cplett.2003.09.082
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Silver nanocrystals, self-organized in compact hexagonal networks, on gold and graphite exhibit anisotropic optical properties. From polarized electron photoemission spectroscopy, a two-photon mechanism is demonstrated and an enhancement due to the surface plasmon resonance (SPR) of the nanocrystal film is observed. Two SPR peaks appear, due to dipolar interactions and induced by the self-organization of silver nanocrystals. This property is used to probe the substrate effect on the plasmon resonance. Its damping is related to particle-substrate interactions. (C) 2003 Published by Elsevier B.V.
引用
收藏
页码：704 / 709
页数：6
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