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The crystallization behavior of amorphous Ni-P nanoparticles produced by liquid pulsed-discharge was studied by using in situ high temperature XRD at beamline 4B9A of Beijing Synchrotron Radiation Facility. Transmission electron microscope (TEM) was used to observe the morphology and Inductively Coupled Plasma-Atomic Emission Spectrometry (ICP-AES) was used to analyze the chemical composition of the...
A facile route to synthesis silver nanoparticles into polyvinylpyrrolidone (PVP) or silica (SiO2) matrices using sol-gel method has been developed. The influence of matrices on the size and optical properties of silver nanoparticles were studied. Because the particle size increases at different rate with silver nitrate (AgNO3) concentration in different matrices, there is an up-limit for AgNO3 concentration...
A one-step, economical nanoemulsion method has been introduced to synthesize low-melting-point metallic nanoparticles. This nanoemulsion technique exploits the extremely high shear rates generated by the ultrasonic agitation and the relatively large viscosity of the continuous phase – polyalphaolefin (PAO), to rupture the molten metal down to diameter below 100nm. Field’s metal nanoparticles and Indium...
A novel biological method for the synthesis of platinum nanoparticles using the horse spleen apoferritin (HSAF) is reported. When HSAF was incubated with K2PtCl6 at 23°C) for 48 h followed by subsequent reduction with NaBH4 it resulted in the formation of spherical platinum nanoparticles, size 4.7 ± 0.9 nm, with narrow particle size distribution confirmed by transmission electron microscopy and energy...
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