In a study by Sneha, gold nanoparticles were synthesized using Yucca filamentosa leaf extract, and the XRD results obtained were consistent with our findings [31].

In this paper biosynthesis of stable gold nanoparticles (GNPs) using Chlorella pyrenoidusa extract is demonstrated. The most influential parameters for the synthesis of GNPs were pH 8, 100 0 C...

2021年3月1日 · The X-ray powder diffraction (XRD) data were collected using a Shimadzu XRD-6000 diffractometer with Cu K α 1 radiation (λ = 1.54056 Å) and a scattered-beam graphite monochromator. We prepared the samples by dripping 10 ml of the colloidal solution on a cellulose filter paper (22 μm) and letting it dry at room temperature.

2005年6月1日 · Ultra-small gold nanoparticles (0.8–1 nm) are successfully deposited on titania-modified SBA-15 via a deposition–precipitation method. A comparison of experimental X-ray diffraction (XRD) patterns with theoretical ones shows that gold exists as Au 3+ and Au 0 in the as-synthesized and reduced catalyst, respectively.

2021年12月1日 · Our study optimizes the deposition rates, annealing temperatures and time to obtain a template-stripped gold surface with a very low roughness and large (111) oriented crystallites. Atomic force microscopy is performed in tapping and peak force mode to evaluate the surface roughness.

2015年10月20日 · Here we report a pair of structural isomers, Au 38T and Au 38Q, as evidenced using electrospray ionization mass spectrometry, X-ray photoelectron spectroscopy, thermogravimetric analysis and...

2018年2月21日 · We propose in this Post the XRD analysis of some metals. Gold is a chemical element with symbol Au (from Latin: aurum) and atomic number 79. In its purest form, it is a bright, slightly reddish yellow, dense, soft, malleable, and ductile metal. Chemically, gold is …

The current investigation endeavors to evaluate the processing of iron oxide gold-bearing minerals exhibiting a gold grade of 1.07 g/ton. First, the mineralogical and microscopic...

2012年4月15日 · X-ray diffraction (XRD) spectrum of the gold nanoparticles exhibited Bragg reflections corresponding to gold nanoparticles. This environment-friendly method of biological gold nanoparticle synthesis can be applied potentially in various products that directly come in contact with the human body, such as cosmetics, and foods and consumer goods ...

2020年1月25日 · XRD pattern determined crystalline structure of gold thin films. SEM image showed the effect of deposition time and applied voltage on the morphology of deposited films. AFM results demonstrated the variations in roughness, thickness, and surface quality due to changes in applied voltage and deposition time.