نتایج جستجو برای: disordered filaments tio2 nanotubes

تعداد نتایج: 104425  

Journal: :Nanoscale 2015
Isvar A Cordova Qing Peng Isa L Ferrall Adam J Rieth Paul G Hoertz Jeffrey T Glass

TiO2 is an exemplary semiconductor anode material for photoelectrochemical (PEC) water-splitting electrodes due to its functionality, long-term stability in corrosive environments, nontoxicity, and low cost. In this study, TiO2 photoanodes with enhanced photocurrent density were synthesized by atomic layer deposition (ALD) of TiO2 onto a porous, transparent, and conductive fluorine-doped tin ox...

2012
A. S. Afolabi A. S. Abdulkareem E. Muzenda

In this study, two cobalt based catalyst samples were prepared on titania and titania nanotubes supports using the deposition precipitation method. Their structural configurations were characterized and compared using BET, and TRP analyses. The BET analysis showed that the surface area of TiO2 is much higher than that of TNT which was due to their structural differences. Analyses of the results...

2018
Honghui Pan Wenjuan Liao Na Sun Muthu Murugananthan Yanrong Zhang

In the present work, a novel photocatalytic fuel cell (PFC) system involving a dual heterojunction photoelectrodes, viz. polyaniline/TiO2 nanotubes (PANI/TiO2 NTs) photoanode and CuO/Co3O4 nanorods (CuO/Co3O4 NRs) photocathode, has been designed. Compared to TiO2 NTs electrode of PFC, the present heterojunction design not only enhances the visible light absorption but also offers the higher eff...

2013
Anna Akinshina Etienne Jambon-Puillet Patrick B Warren Massimo G Noro

BACKGROUND Keratins are important structural proteins found in skin, hair and nails. Keratin Intermediate Filaments are major components of corneocytes, nonviable horny cells of the Stratum Corneum, the outermost layer of skin. It is considered that interactions between unstructured domains of Keratin Intermediate Filaments are the key factor in maintaining the elasticity of the skin. RESULTS...

2015
Giulia Serrano Beatrice Bonanni Tomasz Kosmala Marco Di Giovannantonio Ulrike Diebold Klaus Wandelt Claudio Goletti

Despite the rising technological interest in the use of calcium-modified TiO2 surfaces in biomedical implants, the Ca/TiO2 interface has not been studied in an aqueous environment. This investigation is the first report on the use of in situ scanning tunneling microscopy (STM) to study calcium-modified rutile TiO2(110) surfaces immersed in high purity water. The TiO2 surface was prepared under ...

Journal: :Nanoscale 2016
Ernesto Jimenez-Villar Iran F da Silva Valdeci Mestre Paulo C de Oliveira Wagner M Faustino Gilberto F de Sá

In recent years, there has been dramatic progress in the photonics field in disordered media, ranging from applications in solar collectors, photocatalyzers, random lasing, and other novel photonic functions, to investigations into fundamental topics, such as light confinement and other phenomena involving photon interactions. This paper reports several pieces of experimental evidence of locali...

2013
Roghayeh Imani Doron Kabaso Mateja Erdani Kreft Ekaterina Gongadze Samo Penič Kristina Eleršič Andrej Kos Peter Veranič Robert Zorec Aleš Iglič

Methods Using anodization method, TiO2 surfaces composed of vertically aligned nanotubes of 50-100 nm diameters were produced. The flat Ti surface was used as a reference. The alteration in the morphology of cancer cells was evaluated using scanning electron microscopy (SEM). A computational model, based on the theory of membrane elasticity, was constructed to shed light on the biophysical mech...

2015
Svetlana Ivanova Anna Carmen Hidalgo José Antonio Navío Francisca Romero-Sarria Miguel Ángel Centeno José Antonio Odriozola

This study proposes a direct synthetic route to single titanate sheets through the mild and versatile conditions of the “chimie douce”. The stages of the production include the complexation of the titanium alkoxide precursor by benzoic acid, the formation of titanium oxo-clusters and their controlled transformation into single sheet titanates during the hydrolysis stage. The resulted material a...

Journal: interface and thin films 2019

Multi-walled carbon nanotubes (MWCNT)-doped TiO2 thin films were synthesized by the dip-coating method. The obtained products were characterized by SEM, EDX, XRD, and UV-vis absorption spectroscopy. The XRD patterns showed the presence of anatase phase. Absorption spectrum of MWCNT-doped TiO2 revealed a red shift in the optical absorption edge due to carbon doping. The photocatalytic properties...

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