Light emission spectroscopy of self-assembled arrays of silver nano-crystals with the STM

被引:15
作者
Nilius, N
Benia, HM
Salzemann, C
Rupprechter, G
Freund, HJ
Brioude, A
Pileni, MP
机构
[1] Max Planck Gesell, Fritz Haber Inst, Dept Phys Chem, D-14195 Berlin, Germany
[2] Univ Paris 06, Lab Mat Mesoscop & Nanometr, URA 7070, CNRS, F-75005 Paris, France
关键词
D O I
10.1016/j.cplett.2005.06.127
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
The optical properties of ordered and disordered assemblies of Ag nano-crystals on HOPG have been characterized by photon emission spectroscopy with the STM. The spectra reveal two emission maxima, which are attributed to plasmon modes oscillating parallel and perpendicular to the substrate plane. The interpretation of the emission mechanism is supported by polarization measurements and model calculations. The effect of long-range order in the particle layer on the optical properties is discussed. (c) 2005 Elsevier B.V. All rights reserved.
引用
收藏
页码:10 / 15
页数:6
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