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Microstructures, absorption spectra, and magnetic properties of Core-shell Fe3O4@Ag nanoparticles for enhancing sensitivity of Surface Plasmon Resonance (SPR) sensor

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Main Authors: Juharni, Ilyas Maulana, Yahya, Edi, Suharyadi, Takeshi, Kato, Satoshi, Iwata
Other Authors: esuharyadi@ugm.ac.id
Format: Article
Language:English
Published: Universiti Malaysia Perlis (UniMAP) 2021
Subjects:
Core-shell
Fe3O4@Ag
Sensitivity
Surface Plasmon Resonance (SPR)
Online Access:http://dspace.unimap.edu.my:80/xmlui/handle/123456789/72948
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spelling my.unimap-729482021-12-20T06:46:52Z Microstructures, absorption spectra, and magnetic properties of Core-shell Fe3O4@Ag nanoparticles for enhancing sensitivity of Surface Plasmon Resonance (SPR) sensor Juharni Ilyas Maulana, Yahya Edi, Suharyadi Takeshi, Kato Satoshi, Iwata esuharyadi@ugm.ac.id Core-shell Fe3O4@Ag Sensitivity Surface Plasmon Resonance (SPR) Link to publisher's homepage at http://ijneam.unimap.edu.my The purpose of this study is to enhance the sensitivity of Surface Plasmon Resonance (SPR) sensor using core-shell Fe3O4@Ag nanoparticles (NPs). Fe3O4@Ag NPs were synthesized by co-precipitation method with various concentration of Ag as a shell. The crystal structure of Fe3O4 corresponds to the cubic inverse spinel structure. The particle size of Fe3O4@Ag NPs with Ag concentration of 40mM is 13.8 nm. The saturation magnetization (Ms), and coercivity field (Hc) of Fe3O4@Ag NPs with Ag concentration of 20mM is 52.9 emu/g and 157.2 Oe, respectively, and then decreased with the increase of Ag concentration. An intensity of absorption peak increased with the increase of Ag concentration. A spherical nanoparticle consisting of a spherical Fe3O4 core covered by an Ag shell, was used as an active material to increase the signal detection of SPR, with a wavelength of 632.8 nm in the Kretschmann configuration. The system consists of a three-layer materials, i.e., prism/Au/Fe3O4@Ag NPs. The results show that the SPR angle shifted to the larger angle of incident light by using Fe3O4@Ag NPs and the addition of a core-shell in the conventional SPR-based biosensor leads to the enhancement of the SPR biosensor sensitivity. 2021-12-20T06:46:52Z 2021-12-20T06:46:52Z 2021-07 Article International Journal of Nanoelectronics and Materials, vol.14(3), 2021, pages 209-218 1985-5761 (Printed) 1997-4434 (Online) http://dspace.unimap.edu.my:80/xmlui/handle/123456789/72948 http://ijneam.unimap.edu.my en Universiti Malaysia Perlis (UniMAP)
institution Universiti Malaysia Perlis
building UniMAP Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Perlis
content_source UniMAP Library Digital Repository
url_provider http://dspace.unimap.edu.my/
language English
topic Core-shell
Fe3O4@Ag
Sensitivity
Surface Plasmon Resonance (SPR)
spellingShingle Core-shell
Fe3O4@Ag
Sensitivity
Surface Plasmon Resonance (SPR)
Juharni
Ilyas Maulana, Yahya
Edi, Suharyadi
Takeshi, Kato
Satoshi, Iwata
Microstructures, absorption spectra, and magnetic properties of Core-shell Fe3O4@Ag nanoparticles for enhancing sensitivity of Surface Plasmon Resonance (SPR) sensor
description Link to publisher's homepage at http://ijneam.unimap.edu.my
author2 esuharyadi@ugm.ac.id
author_facet esuharyadi@ugm.ac.id
Juharni
Ilyas Maulana, Yahya
Edi, Suharyadi
Takeshi, Kato
Satoshi, Iwata
format Article
author Juharni
Ilyas Maulana, Yahya
Edi, Suharyadi
Takeshi, Kato
Satoshi, Iwata
author_sort Juharni
title Microstructures, absorption spectra, and magnetic properties of Core-shell Fe3O4@Ag nanoparticles for enhancing sensitivity of Surface Plasmon Resonance (SPR) sensor
title_short Microstructures, absorption spectra, and magnetic properties of Core-shell Fe3O4@Ag nanoparticles for enhancing sensitivity of Surface Plasmon Resonance (SPR) sensor
title_full Microstructures, absorption spectra, and magnetic properties of Core-shell Fe3O4@Ag nanoparticles for enhancing sensitivity of Surface Plasmon Resonance (SPR) sensor
title_fullStr Microstructures, absorption spectra, and magnetic properties of Core-shell Fe3O4@Ag nanoparticles for enhancing sensitivity of Surface Plasmon Resonance (SPR) sensor
title_full_unstemmed Microstructures, absorption spectra, and magnetic properties of Core-shell Fe3O4@Ag nanoparticles for enhancing sensitivity of Surface Plasmon Resonance (SPR) sensor
title_sort microstructures, absorption spectra, and magnetic properties of core-shell fe3o4@ag nanoparticles for enhancing sensitivity of surface plasmon resonance (spr) sensor
publisher Universiti Malaysia Perlis (UniMAP)
publishDate 2021
url http://dspace.unimap.edu.my:80/xmlui/handle/123456789/72948
_version_ 1724609974964846592
score 13.222552

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