نتایج جستجو برای: la ag co doped titania nanocomposite

تعداد نتایج: 1052062  

Journal: :Applied Surface Science 2022

• Improved photocatalytic activity of TiO 2 by Ag doping. Co-operative synergism polysiloxane backbone, , and textile surface. Semiconductor-metal-semiconductor heterojunction on the /polysiloxane/Ag/textile nanocomposite Outstanding multifunctional antibacterial, UV protective self-cleaning properties nanocomposite. Excellent wash durability In this work, was incorporated into surface cotton f...

Journal: :Advanced Materials Interfaces 2021

Organic Solvent Resistant Nanocomposite Films Cellulose nanofiber (CNF) exhibits outstanding mechanical strength and chemical stability is suitable to be a matrix for the photocatalysts immobilization applied in pollutant removal. Entangled with self-precipitated Ag-doped TiO2 NFs, CNF composite film presents flexible dense hierarchical stacking. Through triggering photocatalytic reaction under...

میلانی مقدم, حسین, نصیریان, شهروز,

  In this letter, titania nanopowder and titania-silica nanocomposite were prepared using sol-gel method. Although the size of nanocrystallites and the mass fraction percent age of rutile phase ( after phase transformation ) were increased by increasing calcination in the two samples , their size in titania-silica nanocomposite was smaller than that in pure titania . Moreover, the calculations ...

Journal: :Journal of Inorganic and Organometallic Polymers and Materials 2022

Abstract Even though hydroxyapatite (HA) is the most common biocompatible material; it has limited antibacterial resistance. HA experiences a tailor-made structure depending on desired applications. In this regard, silver (Ag) of particular interest to inhibit wide spectrum pathogenic bacteria and other microorganisms. Silver doped (Ag-HA) was developed via wet co-precipitation with subsequent ...

A feasible and fast method to fabricate hydrogen peroxide sensor was investigated by graphene-manganase nanocomposite carbone paste electrode. In the present work, in first step, the graphene was synthesized by chemical method and in second step, manganese oxide nanoparticle was doped on graphene. graphene-manganase nanocomposite was characterized by FTIR and SEM. The nanocomposite shows a high...

Journal: :Journal of colloid and interface science 2015
R Saravanan M Mansoob Khan Vinod Kumar Gupta E Mosquera F Gracia V Narayanan A Stephen

A ternary ZnO/Ag/CdO nanocomposite was synthesized using thermal decomposition method. The resulting nanocomposite was characterized by X-ray diffraction, field emission scanning electron microscopy, transmission electron microscopy, UV-Vis spectroscopy, and X-ray photoelectron spectroscopy. The ZnO/Ag/CdO nanocomposite exhibited enhanced photocatalytic activity under visible light irradiation ...

2012
S. Govindan E. A. K. Nivethaa R. Saravanan V. Narayanan A. Stephen

Chitosan–silver (CS–Ag) nanocomposite materials were synthesized by a simple chemical method. The synthesized CS–Ag nanocomposite contains 20 wt% silver. Silver nanoparticles were synthesized by chemical reduction method as well. The CS–Ag nanocomposite was characterized using Field emission scanning electronic microscope (FESEM), X-ray diffraction (XRD) and Fourier transform infrared spectrosc...

2007
Seung-Jin Lee Ching-Hua Huang Georgia Samuel Shian Kenneth H. Sandhage

Three-dimensional microscale assemblies of fluorine-doped titania nanoparticles were synthesized from silica-based diatom microshells (frustules) via a shape-preserving reactive conversion process (as per the method of Unocic et al.). The nanostructured F-doped titania frustules were found to induce rapid hydrolysis of the organophosphorous esters, methyl paraoxon, and methyl parathion (insecti...

ژورنال: سرامیک ایران 2021

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...

A feasible and fast method to fabricate hydrogen peroxide sensor was investigated by graphene-manganase nanocomposite carbone paste electrode. In the present work, in first step, the graphene was synthesized by chemical method and in second step, manganese oxide nanoparticle was doped on graphene. graphene-manganase nanocomposite was characterized by FTIR and SEM. The nanocomposite shows a high...

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