The impact of a high-performance nanostructured device using metal nanoparticle (NP) deposition is studied in this paper. Two devices, namely, a silver (Ag) NP coated indium oxide (In2O3) nanostructured device and a bare In2O3 nanostructured device, were fabricated by glancing angle deposition aided electron beam vacuum coating system to study the impact of Ag NPs over In2O3 nanostructures. The morphology of Ag NPs, as-fabricated nanostructures, and growth regions was analyzed using field emission scanning electron microscopy. The formation of Ag3O4 monoclinic crystal structures was confirmed by high-resolution x-ray diffraction profiles. The current density (J)-voltage (V) plot shows the modulating performances of an Ag NP coated In2O3 nanostructured device due to the occurrence of trap states originated from the incorporation of Ag NPs. For in-depth analyses of the impact of Ag NPs, frequency-dependent capacitance (C)-V, conductance (G)-V, and impedance (Z)-V characteristics were analyzed. A free charge carrier concentration (Nd) of ∼8.23 × 1016/cm3, a trap concentration (NT) of ∼1.48 × 1017/cm3, and a significant increment in conductance were observed for an Ag NP coated In2O3 nanostructured device (∼23.36 μS) than the bare In2O3 nanostructured device (∼13.05 μS) at a high frequency of 2 MHz. The delta-depletion model was implemented to obtain the C-V plots to match the experimental data adequately. The Ag NP coated In2O3 nanostructured device was further investigated by an analytical series circuit model, which manifests that the device can be used as catalysts, medical devices, etc.
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September 2021
Research Article|
September 14 2021
Synthesis and detailed characterizations of Ag nanoparticles coated In2O3 nanostructured devices: An analytical and experimental approach
Amitabha Nath
;
Amitabha Nath
1
Department of Electronics and Communication Engineering, National Institute of Technology Agartala
, Jirania, West Tripura 799046, India
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Bikram Kishore Mahajan
;
Bikram Kishore Mahajan
2
School of Electrical and Computer Engineering, Purdue University
, West Lafayette, Indiana 47907
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Aniruddha Mondal
;
Aniruddha Mondal
3
Department of Physics, National Institute of Technology Durgapur
, Durgapur, West Bengal 713209, India
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Laishram Robindro Singh
;
Laishram Robindro Singh
4
Department of Nanotechnology, North Eastern Hill University
, Umshing, Mawkynroh, Shillong, Meghalaya 793022, India
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Mitra Barun Sarkar
Mitra Barun Sarkar
a)
1
Department of Electronics and Communication Engineering, National Institute of Technology Agartala
, Jirania, West Tripura 799046, India
a)Author to whom correspondence should be addressed: [email protected]
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a)Author to whom correspondence should be addressed: [email protected]
J. Vac. Sci. Technol. B 39, 052209 (2021)
Article history
Received:
June 10 2021
Accepted:
August 16 2021
Citation
Amitabha Nath, Bikram Kishore Mahajan, Aniruddha Mondal, Laishram Robindro Singh, Mitra Barun Sarkar; Synthesis and detailed characterizations of Ag nanoparticles coated In2O3 nanostructured devices: An analytical and experimental approach. J. Vac. Sci. Technol. B 1 September 2021; 39 (5): 052209. https://doi.org/10.1116/6.0001208
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