Synthesis of indium nanoparticles at ambient temperature; simultaneous phase transfer and ripening

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Aghazadeh Meshgi, M.
Kriechbaum, M.
Biswas, Subhajit
Holmes, Justin D.
Marschner, Christoph
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Springer Verlag
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The synthesis of size-monodispersed indium nanoparticles via an innovative simultaneous phase transfer and ripening method is reported. The formation of nanoparticles occurs in a one-step process instead of well-known two-step phase transfer approaches. The synthesis involves the reduction of InCl3 with LiBH4 at ambient temperature and although the reduction occurs at room temperature, fine indium nanoparticles, with a mean diameter of 6.4 ± 0.4 nm, were obtained directly in non-polar n-dodecane. The direct synthesis of indium nanoparticles in n-dodecane facilitates their fast formation and enhances their size-monodispersity. In addition, the nanoparticles were highly stable for more than 2 months. The nanoparticles were characterised by dynamic light scattering (DLS), small angle X-ray scattering (SAXS), transmission electron microscopy (TEM), energy dispersive X-ray spectroscopy (EDS) and Fourier transform infrared (FT-IR) spectroscopy to determine their morphology, structure and phase purity.
Indium , Nanoparticle , Monodisperse , Colloidal solution , Reduction synthesis , SAXS
Aghazadeh Meshgi, M., Kriechbaum, M., Biswas, S., Holmes, J. D. and Marschner, C. (2016) 'Synthesis of indium nanoparticles at ambient temperature; simultaneous phase transfer and ripening', Journal of Nanoparticle Research, 18(12), 363 (10 pp). doi: 10.1007/s11051-016-3683-8
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