نتایج جستجو برای: tio2 sio2chitosan nanocomposite

تعداد نتایج: 35557  

ژورنال: سلامت و محیط زیست 2016

Background and Objective: Formaldehyde is a toxic volatile organic compound, which its removal from polluted air is essential. One of the techniques available for removing such compounds is photocatalytic degradation. The aim of this study was to investigate the photocatalytic degradation of gaseous formaldehyde on TiO2 nanoparticles coated on reduced graphene oxide Materials and Methods...

2017
Stephen Ducharme Balamurugan Balasubramanian Kristin L. Kraemer David J. Sellmyer Kristin L Kraemer David J Sellmyer

The embedding of oxide nanoparticles in polymer matrices produces a greatly enhanced dielectric response by combining the high dielectric strength and low loss of suitable host polymers with the high electric polarizability of nanoparticles. The fabrication of oxide–polymer nanocomposites with well-controlled distributions of nanoparticles is, however, challenging due to the thermodynamic and k...

2012
Jinxia Xu Xiangheng Xiao Feng Ren Wei Wu Zhigao Dai Guangxu Cai Shaofeng Zhang Juan Zhou Fei Mei Changzhong Jiang

In order to overcome the low utilization ratio of solar light and high electron-hole pair recombination rate of TiO2, the triangular Ag nanoparticle island is covered on the surface of the TiO2 thin film. Enhancement of the photocatalytic activity of the Ag/TiO2 nanocomposite system is observed. The increase of electron-hole pair generation is caused by the enhanced near-field amplitudes of loc...

2016

Silver deposited titania (Ag/TiO2) nanocomposite thin films were fabricated by the simple sonochemical deposition of Ag on preformed aerosol-assisted chemical vapor deposited TiO2 thin films. The photelectrocatalytic performance of a newly fabricated Ag/TiO2-modified photoelectrode was studied for methanol oxidation under simulated solar AM 1.5G irradiation (100 mW/cm2). The Ag/TiO2-modified ph...

Ali Shahvarughi Ali Yeganeh Faal Bahar Khodadadi,

In this paper, CuO nanoparticles are synthesized using Tilia platyphyllos extract as reducing and stabilizing agents and TiO2are prepared via facile sol-gel method as an ideal support. FT-IR spectroscopy, UV-Vis spectroscopy, X-ray Diffraction (XRD), Scanning Electron Microscopy (FESEM), Energy Dispersive X-ray Spectroscopy (EDS), and Transmission Electron Microscopy (TEM) were used to characte...

Journal: :Photochemical & photobiological sciences : Official journal of the European Photochemistry Association and the European Society for Photobiology 2015
Neerugatti KrishnaRao Eswar Praveen Chandrashekarapura Ramamurthy Giridhar Madras

This study demonstrates the synthesis of TiO2 nanobelts using solution combustion derived TiO2 with enhanced photocatalytic activity for dye degradation and bacterial inactivation. Hydrothermal treatment of combustion synthesized TiO2 resulted in unique partially etched TiO2 nanobelts and Ag3PO4 was decorated using the co-precipitation method. The catalyst particles were characterized using X-r...

Journal: :Dalton transactions 2013
Changhua An Wen Jiang Jizhuang Wang Shutao Wang Zhanhua Ma Yanpeng Li

Three-dimensional (3D) TiO2 with an acanthosphere-like morphology composed of nanothorns has been used as a suitable support to fabricate a visible-light-induced 3D AgI@TiO2 nanophotocatalyst. The structural characterization revealed that the size of the obtained AgI@TiO2 nanocomposite was close to that of pristine TiO2 particles, where AgI nanoparticles were evenly dispersed on the surfaces of...

Journal: :journal of membrane science and research 0
n.s. mohd yatim school of chemical engineering, engineering campus, universiti sains malaysia, seri ampangan, 14300 nibong tebal, penang, malaysia k. abd. karim school of chemical engineering, engineering campus, universiti sains malaysia, seri ampangan, 14300 nibong tebal, penang, malaysia o. boon seng school of chemical engineering, engineering campus, universiti sains malaysia, seri ampangan, 14300 nibong tebal, penang, malaysia

the surface properties of tio2-pvdf nanocomposite membranes were investigated by incorporating different chemically modified tio2 nanoparticles into the poly (vinylidene fluoride) (pvdf) matrix. the nanocomposite membranes were prepared via dual coagulation bath diffusion and the induced phase inversion method. the membrane surface morphologies were investigated by using sem and afm and related...

Journal: :journal of ultrafine grained and nanostructured materials 0
soha mohajeri department of materials science and engineering, sharif university of technology, tehran, iran. abolghassem dolati department of materials science and engineering, sharif university of technology, tehran, iran. mohammad ghorbani department of materials science and engineering, sharif university of technology, tehran, iran.

in this research, a sol-modified composite electrodeposition technique that combines the sol-gel method with the conventional electrodeposition process was utilized to deposit ni-tio2 nanocomposite coatings. cyclic voltammetry and chronoamperometry techniques were applied to study the influence of the tio2 sol concentration on the deposits’ electrochemical behavior. the results clearly showed t...

Journal: :Chemosphere 2014
Shibin Li Xuan Pan Lindsay K Wallis Zhaoyang Fan ZuLiang Chen Stephen A Diamond

With a dramatic rise in complexity, needs of nanotoxicology research go beyond simple forms of nanomaterials. This study compared the phototoxicity of nano-TiO2 and graphene-TiO2 nanocomposite (GNP). GNP was synthesized based on a hydrothermal method, which simultaneously performed the reduction of graphene oxide and nano-TiO2 loading. A series of acute toxicity tests of nano-TiO2, graphene and...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید