An investigation of localised surface plasmon resonance (LSPR) of Ag nanoparticles produced by pulsed laser deposition (PLD) technique

Noble metal nano-structures such as Ag, Cu, Au are used commonly to increase power conversion efficiency of the solar cell by using their surface plasmons. The plasmonic metal nanoparticles of Ag among others that have strong LSPR in near UV range. They increase photon absorbance via embedding in th...

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Bibliographic Details
Main Authors: Gezgin, Serap Yiğit, Kepceoğlu, Abdullah, Kılıç, Hamdi Şükür
Format: Conference Proceeding
Language:English
Subjects:
Copper
Energy conversion efficiency
Gold
Lasers
Nanoparticles
Neodymium lasers
Noble metals
Photovoltaic cells
Plasmons
Pulsed laser deposition
Pulsed lasers
Semiconductor lasers
Silver
Solar cells
Substrates
Surface plasmon resonance
Thin films
YAG lasers
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Summary:Noble metal nano-structures such as Ag, Cu, Au are used commonly to increase power conversion efficiency of the solar cell by using their surface plasmons. The plasmonic metal nanoparticles of Ag among others that have strong LSPR in near UV range. They increase photon absorbance via embedding in the active semiconductor of the solar cell. Thin films of Ag are grown in the desired particle size and interparticle distance easily and at low cost by PLD technique. Ag nanoparticle thin films were grown on micro slide glass at 25-36 mJ laser pulse energies under by PLD using ns-Nd:YAG laser. The result of this work have been presented by carrying out UV-VIS and AFM analysis. It was concluded that a laser energy increases, the density and size of Ag-NPs arriving on the substrate increases, and the interparticle distance was decreases. Therefore, LSPR wavelength shifts towards to longer wavelength region.
ISSN:0094-243X
1551-7616
DOI:10.1063/1.4976367