نتایج جستجو برای: nano structure characterization
تعداد نتایج: 1945527 فیلتر نتایج به سال:
Atmospheric pressure microwave plasma has the lead in synthesizing freestanding and scalable graphene within seconds without need for high vacuum temperature. However, process is limited utilizing chemical sources synthesis, such as methane ethanol. Herein, usage of an extract a sustainable precursor, that is, Melaleuca alternifolia, commonly known tea tree, first time reported to synthesize na...
In this research, preparation of Zn0.95Ni0.04Co0.01O/PANI (polyaniline) (0.5%, 1% and 1.5% PANI) nanocomposites was performed by synthesis of pure polyaniline and adsorption of resulted organic chainson the structure of Zn0.95Ni0.04Co0.01O nano particles. The as-prepared samples was characterized by X-raydiffraction (XRD), fourier transform infrared (FTIR), field emission scan...
Polycrystalline films are used in a wide array of microand nano-scale devices, for electronic, mechanical, magnetic, photonic and chemical functions. Increasingly, the properties, performance, and reliability of films in these systems depend on nano-scale structure. In collaborative research with a number of SMA Fellows, Associates, and students, our group is carrying out research focused on pr...
This paper presents the design and analysis of nano-structured gratings to improve the conversion efficiency in GaAs solar cells by reducing the light reflection losses. A finite-difference time domain (FDTD) simulation tool is used to design and simulate the light reflection losses of the subwavelength grating (SWG) structure in GaAs solar cells. The SWG structures perform as an excellent alte...
this study was conducted to enhance the antimicrobial properties and water absorption of sanitary papers. for this purpose, montmorillonite nano clay with bentonite brand (has a layered structure in which its thickness is nano metric), was processed with homogenizer to achieve a stable colloidal system with nanometer dimensions of particle size. then, different weight levels of raw and homogeni...
Nanoparticle assemblies have attracted enormous scientific interest during the last years, due to their unique properties compared to those of their building blocks. To understand the origin of these properties and to establish the connection with their structure, a detailed and quantitative structural characterization is essential. Transmission electron microscopy has been widely used to inves...
The geometry of quasi-spherical nanoparticles is investigated. The combination of SEM imaging and electrochemical nano-impact experiments is demonstrated to allow sizing and characterization of the geometry of single silver nanoparticles.
Cu2O nanoparticles were synthesized by thermal treatment in liquid paraffin without any inert gas protection using nano structures of Schiff base copper (II) complex (1) as precursor. Liquid paraffin was used as solvent and reductant. Span 80 was applied to control the morphology of cuprous oxide nanoparticles. The nano structure of the complex was characterized by X-ray diffraction measurement...
As many emergent phenomena of superconductivity appear on a smaller scale and at lower dimension, commercial magnetic property measurement systems (MPMSs) no longer provide the sensitivity necessary to study the Meissner effect of small superconductors. The nano-scale superconducting quantum interference device (nano-SQUID) is considered one of the most sensitive magnetic sensors for the magnet...
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