Formation of hollow silver nanoparticles under irradiation with ultrashort laser pulses

被引：3

作者：

Sanchez-Perez, Francisco ^{[1
]}

Borrell-Grueiro, Olivia ^{[3
,4
]}

Casasnovas-Melian, Alfredo ^{[3
]}

Ramos-Ramos, Diego J. ^{[1
]}

Guerrero-Martinez, Andres ^{[3
]}

Banares, Luis ^{[3
,5
]}

Prada, Alejandro ^{[6
]}

Valencia, Felipe J. ^{[6
,7
]}

Kohanoff, Jorge ^{[1
]}

Crespillo, Miguel L. ^{[8
]}

Olivares, Jose ^{[8
,9
]}

Rivera, Antonio ^{[1
,2
]}

Pena-Rodriguez, Ovidio ^{[1
,2
]}

机构：

[1] Univ Politecn Madrid, Inst Fus Nucl Guillermo Velarde, Jose Gutierrez Abascal 2, E-28006 Madrid, Spain

[2] Univ Politecn Madrid, Dept Ingn Energet, ETSI Ind, Jose Gutierrez Abascal 2, E-28006 Madrid, Spain

[3] Univ Complutense Madrid, Dept Quim Fis, Ave Complutense S-N, Madrid 28040, Spain

[4] Univ Habana, INSTEC, Ave Salvador Allende 1110, Havana 10400, Cuba

[5] Inst Madrileno Estudios Avanzados Nanociencia IMDE, Canto Blanco 28049, Madrid, Spain

[6] Univ Catolica Maule, Fac Ciencias Ingn, Dept Comp & Ind, Talca, Chile

[7] Univ Catolica Maule, Fac Ciencias Ingn, Ctr Innovac Ingn Aplicada CIIA, Talca, Chile

[8] Univ Autonoma Madrid, Ctr Microanal Mat, E-28049 Madrid, Spain

[9] CSIC, Inst Opt Daza de Valdes, Serrano 121, E-28006 Madrid, Spain

来源：

NANOPHOTONICS | 2024年 / 13卷 / 07期

基金：

欧盟地平线“2020”;

关键词：

hollow silver nanoparticles; amorphous silica; irradiation of plasmonic nanostructures; ultrashort laser pulses; molecular dynamics; OPTICAL-PROPERTIES; PLASMON RESPONSE; SILICATE-GLASSES; NANOSTRUCTURES; SHAPE; SIZE; CATALYSTS; SPHERES; SOLAR; FIELD;

D O I：

10.1515/nanoph-2023-0881

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

We have studied the formation of cavities in spherical silver nanoparticles embedded in silica, irradiated with fs laser pulses that produce an intense electronic excitation. Experimentally determined aspect ratio, i.e. the ratio between the cavity and nanoparticle size, for hollow structures formed under different irradiation conditions shows a very good agreement with values obtained by means of atomistic simulations. According to the predictions of the atomistic model, one can produce at will hollow silver nanoparticles with cavities of tailored dimensions, having an accurate control. Hence, laser irradiation can be used to control and design the optical response by tuning the localized surface plasmon resonances of the hollow nanoparticles.

引用

页码：1149 / 1157

页数：9

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