Fabrication and Characterization of Plasmonic Au Nanoparticles on ITO-Coated Glass Sheets

We report here the fabrication of sputter-deposited Au nanoparticles on ITO (Sn-doped indium oxide)-coated glass substrate. The effect of varying annealing parameters, viz., time and temperature in conjunction with varying thickness parameters has been thoroughly investigated. Synthesized Au nanopar...

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Bibliographic Details
Published in:Plasmonics (Norwell, Mass.) Mass.), 2022-10, Vol.17 (5), p.2141-2151
Main Authors: Verma, Anuradha, Saxena, Sakshi, Biswas, Neeraj Kumar, Srivastav, Anupam, Singh, Udai Bhan, Khan, Saif. A., Shrivastav, Rohit, Avasthi, Devesh Kumar, Dass, Sahab
Format: Article
Language:English
Subjects:
Absorbance
Annealing
Backscattering
Biochemistry
Biological and Medical Physics
Biophysics
Biotechnology
Chemistry
Chemistry and Materials Science
Emission analysis
Field emission microscopy
Glass substrates
Gold
Indium oxides
Indium tin oxides
Nanoparticles
Nanotechnology
Parameters
Thickness
Thin films
Tin
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Summary:We report here the fabrication of sputter-deposited Au nanoparticles on ITO (Sn-doped indium oxide)-coated glass substrate. The effect of varying annealing parameters, viz., time and temperature in conjunction with varying thickness parameters has been thoroughly investigated. Synthesized Au nanoparticles were characterized using a field emission scanning electron microscope (FE-SEM), Rutherford backscattering (RBS) measurement, X-ray diffraction (XRD), and optical absorbance spectroscopy. The role of annealing temperature and time duration on the evolution of Au nanoparticles has been discussed in detail based on optical absorbance spectroscopy. The present study shows that 5 nm thickness Au thin film which was annealed at 500 °C for 90 min exhibited the strongest surface plasmon resonance (SPR) effect.
ISSN:1557-1955
1557-1963
DOI:10.1007/s11468-022-01693-w