Infrared nanosecond laser effects on the formation of copper nanoparticles

被引:13
|
作者
Silva, Catarina [1 ]
Coelho, Joao M. P. [1 ]
Ruivo, Andreia [2 ,3 ]
de Matos, Antonio Pires [3 ]
机构
[1] Univ Lisbon, Dept Fis, Fac Ciencias, LOLS, P-1649038 Lisbon, Portugal
[2] Univ Nova Lisboa, Fac Ciencias & Tecnol, Dept Quim, REQUIMTE, P-2829516 Monte De Caparica, Portugal
[3] Univ Nova Lisboa, Fac Ciencias & Tecnol, VICARTE Vidro & Ceram Artes, P-2829516 Monte De Caparica, Portugal
关键词
Glasses; Laser irradiation; Nanoparticles; Nanosecond laser; GLASS-METAL NANOCOMPOSITES; GOLD NANOPARTICLES; FEMTOSECOND LASER; ABSORPTION; PRECIPITATION; SIZE;
D O I
10.1016/j.matlet.2009.12.044
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
For the first time copper nanoparticles were formed inside Cu ion-doped glass after infrared irradiation by a nanosecond laser and sucessive annealing at 700 degrees C for 1 h. The surface plasmon resonance was observed in the absorption spectra of copper nanoparticles. Their spectral position is in good agreement with the values predicted by Mie theory for the copper nanoparticles. The possible mechanisms responsible by the observed results are discussed. (C) 2010 Elsevier B.V. All rights reserved.
引用
收藏
页码:705 / 707
页数:3
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