نتایج جستجو برای: ag doped
تعداد نتایج: 90820 فیلتر نتایج به سال:
In the pursuit of high injection current diode nanodevices, entire one-dimensional (1D) ZnO coaxial nanostructures with p-n homojunctions is one of the ideal structures. In this study, we synthesized entire 1D ZnO-based coaxial homojunction diodes with p-type Ag-doped ZnO (SZO) nanostructure shells covering n-type Ga-doped ZnO (GZO) nanopagoda (NPG) cores by a metal-organic chemical vapor depos...
In this research, the effect of silver doping on 2223 phase of ceramic superconductor Bi1.6Pb0.4Sr2Ca2Cu3Oδ (BSCCO) has been investigated. To synthesis the samples, we used solid-state reaction method and two different doping methods, namely, doping samples during making processes (batches No.1) and doping samples after making superconductor (batch No.2). With doping Ag to BSCCO, the criti...
Here, we report new gas diffusion electrodes (GDEs) prepared by mixing two different pore size carbonaceous matrices and pure and silver-doped manganese dioxide nanopowders, used as electrode supports and electrocatalytic materials, respectively. MnO₂ nanoparticles are finely characterized in terms of structural (X-ray powder diffraction (XRPD), energy dispersive X-ray (EDX)), morphological (SE...
Nanomaterials are attracted a great deal of attention from scientific community due to its unique properties and applications. The small size ferrites have opened the door for intensive research to utilize their properties for biomedical applications. Cobalt ferrite nanomaterials and its silver doped (Ag-doped) nanocomposites have been prepared using solid state combustion method. This combusti...
Abstract Radiophotoluminescence (RPL) is an emission phenomenon induced by the photoexcitation of luminescent centers (RPL centers) formed ionizing radiation. Ag-doped phosphate glasses exhibiting RPL are applied in glass badge dosimeters used for personal monitoring. In this paper, we discuss behavior and their properties along with center formation disappearance mechanisms. When exposed to ra...
This research was conducted to develop antibacterial properties in HA composite by doping Ag-Co simultaneously. Chemical compounds Ca10-x Ag x/Co y(PO4)6 (OH)2 with values (x, y= 0, 0.5, 1) were synthesized by co-precipitation method which is an economical and simple way. XRD, FESEM and EDS analysis were used to investigate structural and microstructural characteristics. The result of XRD ana...
Pure ZnO, Ag doped ZnO and Ag-Fe co-doped ZnOwere preparedusing thermal evaporation. XRD analysis confirms that all layers present a hexagonal wurtzite structure; however, there is small shift in the peaks position due to thedistortion of film’s lattice. Scanning Electron Microscopy (SEM) reveals morphological variation surfaces doping. Ag:ZnO films have nanostructured surface, Ag-Fe:ZnO showed...
Antimicrobial Activity of Thin Solid Films of Silver Doped Hydroxyapatite Prepared by Sol-Gel Method
In this work, the preparation and characterization of silver doped hydroxyapatite thin films were reported and their antimicrobial activity was characterized. Silver doped hydroxyapatite (Ag:HAp) thin films coatings substrate was prepared on commercially pure Si disks by sol-gel method. The silver doped hydroxyapatite thin films were characterized by various techniques such as Scanning electron...
Hydrothermal fabrication of selectively doped (Ag(+)+Pd(3+)) advanced ZnO nanomaterial has been carried out under mild pressure temperature conditions (autogeneous; 150°C). Gluconic acid has been used as a surface modifier to effectively control the particle size and morphology of these ZnO nanoparticles. The experimental parameters were tuned to achieve optimum conditions for the synthesis of ...
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