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Characterization of photochemically initiated gold nanoparticles synthesized via incoherent ultraviolet radiation
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نویسنده
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chonga j.-c. ,leeb s.-l. ,bidina n.
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منبع
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jurnal teknologi - 2016 - دوره : 78 - شماره : 3-2 - صفحه:165 -170
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چکیده
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A modified turkevich pathway of synthesizing water suspended gold nanoparticles using incoherent ultraviolet radiation as photochemical reaction initiator produced broader absorbance band corresponding to localised surface plasmonresonsnce around 530 nm with average particle size separated into two distinct distributions from 5 nm to 100 nm depending on ultraviolet wavelength. presence and dynamics of nanoparticle growth was observed with photon correlation spectroscopy where aged colloids produced submicron sized agglomerated particles. post-synthesis colloidal ph shows gradual degradation of particle stability. © 2016 penerbit utm press. all rights reserved.
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کلیدواژه
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Localised surface plasmon resonance (LSPR); Photochemical initiation; Photon correlation spectroscopy; Spherical AuNP
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آدرس
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laser center,universiti teknologi malaysia,utm,johor bahru,johor, Malaysia, ibnu sina institute for fundamental science studies,universiti teknologi malaysia,utm,johor bahru,johor, Malaysia, laser center,universiti teknologi malaysia,utm,johor bahru,johor, Malaysia
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Authors
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