نتایج جستجو برای: Silver precursor
تعداد نتایج: 113062 فیلتر نتایج به سال:
developing reliable and eco-friendly processes for the synthesis of metallic nanoparticles is an essential step in the field of application of nanotechnology .using natural factories such as biological systems is a way of developing such processes. nowadays, the synthesis of silver nanoparticles is very common due to its numerous applications in different fields. the synthesis of these nanopart...
We report the synthesis of silver nanodecahedrons (NDs) for extending the localized surface plasmon resonance (LSPR) of silver nanostructures from blue to green-orange (~590 nm), which will enable much wider application opportunities using common laser light sources. In our photo-assisted method, we use a light-emitting-diode (LED) to control regrowth of silver ND from precursor seeds. Highly u...
A comparative study of amine and silver carboxylate adducts [R1COOAg-2(R2NH2)] (R1 = 1, 7, 11; R2 = 8, 12) as a key intermediate in NPs synthesis is carried out via differential scanning calorimetry, solid-state FT-infrared spectroscopy, 13C CP MAS NMR, powder X-ray diffraction and X-ray photoelectron spectroscopy, and various solution NMR spectroscopies (1H and 13C NMR, pulsed field gradient s...
The effect of particle size and the heat treatment on precursor powder and subsequent phase formation of silver tube Bi-2223 wire has been studied. First, we have prepared a series of Bi1.66Pb0.34Sr2Ca2Cu3Oy samples with different sintering temperatures and studied the phase formation in these samples. Second, different particle size distributions were obtained by grinding powders of best for...
green synthesis of nanoparticles, as fundamental building blocks of nanotechnology, has recently attracted considerable attention. silver nanoparticles have unique physiochemical, biological and environmental properties which make them useful in a wide range of applications. in the present paper we report our research results on biosynthesis of silver nanoparticles from silver precursor using m...
Herein we report the development of anisotropic bimetallic nanoparticles where aerosol gold nanoparticles served as the seeds for the continuous deposition of silver atoms on their surfaces. Initially, aerosol gold nanoparticles were formed by spark discharge and then injected into a silver precursor solution in an impinging device. The gold nanoparticles acted as the seed particles, and cataly...
In this work, two natural sources, including pomegranate peel extract and cochineal dye were employed for the synthesis of silver nanoparticles. The natural silver complex from pomegranate peel extract resulted in nano-sized structures through solution-phase method, but this method was not efficient for cochineal dye-silver precursor and the as-formed products were highly agglomerated. Therefor...
in study, spherical silver nanoparticles (snps) were synthesized by chemical reduction method from a metal precursor silver nitrate in presence of an anionic surfactant and strong reducing agent. in this experimental work, snps are synthesized in presence of different concentration of stabilizing agent and effect of stabilizing agent on size distribution of snps have been observed. further anti...
Green synthesis of nanoparticles, as fundamental building blocks of nanotechnology, has recently attracted considerable attention. Silver nanoparticles have unique physiochemical, biological and environmental properties which make them useful in a wide range of applications. In the present paper we report our research results on biosynthesis of silver nanoparticles from silver precursor usin...
In study, spherical Silver nanoparticles (SNPs) were synthesized by chemical reduction method from a metal precursor silver nitrate in presence of an anionic surfactant and strong reducing agent. In this experimental work, SNPs are synthesized in presence of different concentration of stabilizing agent and effect of stabilizing agent on size distribution of SNPs have been observed. Further anti...
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