نتایج جستجو برای: nano sulfated titania

تعداد نتایج: 57781  

Journal: :Materials Chemistry and Physics 2023

It is well known that certain diseases can be transmitted through contact with contaminated surfaces. Due to the structural characteristics and composition, textile products are favorable media for retention, growth, propagation of pathogens, making them potential vehicles contamination. The current health humanitarian crises have highlighted urgent task exploring effective antimicrobial agents...

Journal: :International Journal of Environmental Science & Technology 2008

2014
N. S. Kamarozaman Z. Aznilinda R. A. Bakar

Memristive behavior is defined as a resistive switching loop which can be observed from the current-voltage (I-V) characteristic of a material. This paper reports the application of TiO2 (titania) nanostructures as an active layer for a memristive device instead of using titania thin film in nanoscale thickness as reported by other researchers. 60 nm thickness of titania thin film was deposited...

Journal: :Applied optics 2014
Matthew R Abernathy James Hough Iain W Martin Sheila Rowan Michelle Oyen Courtney Linn James E Faller

The current generation of advanced gravitational wave detectors utilize titania-doped tantala/silica multilayer stacks for their mirror coatings. The properties of the low-refractive-index silica are well known; however, in the absence of detailed direct measurements, the material parameters of Young's modulus and coefficient of thermal expansion (CTE) of the high refractive index material, tit...

2017
Marcin Janczarek Ewa Kowalska

Modification of titania with copper is a promising way to enhance the photocatalytic performance of TiO2. The enhancement means the significant retardation of charge carriers’ recombination ratio and the introduction of visible light activity. This review focuses on two main ways of performance enhancement by copper species—i.e., originated from plasmonic properties of zero-valent copper (plasm...

2004
Goutam Deo Andrzej M. Turek Israel E. Wachs P. A. Jacobs

Titanium-substituted silicalites, prepared from two different silicalite precursors, are characterized using Raman spectroscopy, X-ray absorption spectroscopy, pyridine adsorption, and methanol oxidation. The silicalite precursors used are tetraethyl orthosilicate and Ludox AS 40. Two different types of titania species are observed in the titania silicalites. Below 1.6 mole% Ti/(Ti + Si), a dis...

 In this work, Fe/TiO2 nanostructured catalyst was prepared using sol-gel method developed by Yoldas and tested in degradation of phenol in water under UV radiation.  The synthesized catalyst was characterized by XRF, XRD, specific surface area and porosimetry, and SEM methods. The porosimetry revealed the mesopore structure of the catalyst. Results of SEM confirmed the nano dispersion of  iron...

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