The FTIR spectrum of samples was obtained using Shimadzu 8101M FTIR (Kyoto, Japan) at ambient conditions. The samples were mixed with potassium bromide (KBr) and pressed to form a pellet. SEM (Jeol JSM-6390 SEM) and EDX detector (Oxford Link SATW ultrathin window) equipped SEM were applied to obtain SEM micrographs and semi-quantitative elemental analysis. The samples were coated with conductive elements to avoid any interferences with the imaging and analyzing process. A TEM microscopy (Zeiss Leo q06) was used to provide proper TEM images from the NPs at 200 kV accelerating voltage. The NPs were dispersed in solution with low concertation and a small amount of the dispersed NPs (10 µL) was poured on the TEM grid and allowed to dry. A Zetasizer Nano ZS90 was applied to measure the hydrodynamic size and zeta potential of NPs at RT. The UV-vis spectrum of the synthesized NPs was recorded using a spectrophotometer (Shimadzu 1650 PC UV-vis spectrophotometer. Kyoto, Japan). Siemens D5000 diffractometer (Aubrey, Texas, United States) was applied to record the X-ray diffraction (XRD) pattern of the synthesized NPs.
Leo q06
Manufactured by Zeiss
The Leo q06 is a compact and versatile laboratory equipment designed for various research and analytical applications. It offers core functionalities to support scientific investigations and data collection processes. The detailed specifications and intended use cases for this product are not available at this time.
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2 protocols using leo q06
1
Multitechnique Characterization of Nanoparticles
2
Characterization of Synthesized Metal Nanoparticles
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The reduction of gold and silver ions was monitored by a UV-Vis spectrophotometer (SPECTOR 250, Analytic Jena) in the 350-800 nm wavelength range. Due to the evaluation of concentration of green and chemical synthesized NPs, a solution of synthesized NP was diluted, and then the amount of Au and Ag NPs were measured by atomic absorption spectroscopy (AAS) (NovaAA400, Analytic Jena Co). Also for determination of shape and size of the nanoparticle were used from Transmission electron microscopy (TEM) (Zeiss Leo q06) operating at 200 kV accelerating voltage. For the preparation of the sample; 10 microliter of aliquots of NPs solution was drop-casting onto a carbon-coated copper grid and then was placed on a piece of paper to get rid of excess solvent. For determination of the average particle size, distribution, and stability of the gold and silver NPs were used from ELSZ-1000 zeta-potential and particle sizer (Mastersizer 2000, Malvern, USA). For FTIR analysis, the powdered gold and silver NPs were recorded by FTIR spectrometer (Tensor 27, Bruker Co) over the 4000 - 400 cm - 1 frequency with 4 cm - 1 resolutions by using a KBr pellet method.
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