Silver nanoparticles have attracted the attention due to their chemical stability, catalytic activity, localized surface plasma resonance, and high conductivity. Silver thin films with a thickness of ∼21 nm were deposited on corning glass substrate using radio frequency magnetron sputtering system. The deposited silver films were subsequently annealed to grow silver nanoparticles in the temperature range of 200℃ to 500℃ with the difference of 100℃ under a vacuum (Pressure ∼10−6 mbar) for fixed duration of 60 minutes. Composition and surface morphology of silver nanoparticles on the glass substrate were determined using field emission scanning electron microscope (FESEM) and atomic force microscopy (AFM) and energy dispersive spectroscopy (EDS). The results obtained from this study showed that by annealing at higher temperature, the flat silver thin films changed into rough silver thin films and further increment in temperature changed the silver thin films into silver nanoparticles. To study optical properties of Ag nanoparticles, the absorbance and diffuse reflectance spectra were also measured using UV–Vis–NIR spectroscopy.
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13 September 2021
NATIONAL CONFERENCE ON PHYSICS AND CHEMISTRY OF MATERIALS: NCPCM2020
14–16 December 2020
Indore, India
Research Article|
September 13 2021
Effect of the annealing temperature on the growth of the silver nanoparticles synthesized by physical route
Manvendra Singh Gangwar;
Manvendra Singh Gangwar
a)
1
Department of Physics, Indian Institute of Technology Guwahati
, Guwahati, Assam, India
-781039a)Corresponding author: manvendrasingh@iitg.ac.in
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Pratima Agarwal
Pratima Agarwal
b)
1
Department of Physics, Indian Institute of Technology Guwahati
, Guwahati, Assam, India
-7810392
Centre for Energy, Indian Institute of Technology Guwahati
, Guwahati, Assam, India
-781039
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a)Corresponding author: manvendrasingh@iitg.ac.in
AIP Conf. Proc. 2369, 020100 (2021)
Citation
Manvendra Singh Gangwar, Pratima Agarwal; Effect of the annealing temperature on the growth of the silver nanoparticles synthesized by physical route. AIP Conf. Proc. 13 September 2021; 2369 (1): 020100. https://doi.org/10.1063/5.0061110
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