نتایج جستجو برای: titania nanotubes

تعداد نتایج: 31961  

Journal: :Advanced Materials Interfaces 2021

Adv. Mater. Interfaces 2021, 8, 2001420 DOI: 10.1002/admi.202001420 In the Experimental Section of original article, pressure vacuum chamber was stated incorrectly as 5 × 10−5 bar, whereas in experiment mbar used. The correct sentence Material Synthesis (page 4 6) should read “The samples were then decorated with nm nickel via magnetron sputtering using Ni target (99.99%) and placed onto motori...

2004
Seonmin Kim Sheryl Ehrman

Introduction Titania (TiO2) is an outstanding materials because of its superior physical properties but nanostructured titania films synthesized by an evaporationcondensation aerosol process can be used only for limited applications because of their low mechanical strength. In this study, the surface of titania nanoparticles (TiO2) is modified by a heterogeneous capillary condensation process t...

2013
Handan Acar Ruslan Garifullin Levent E. Aygun Ali K. Okyay Mustafa O. Guler

One-dimensional titania nanostructures can serve as a support for light absorbing molecules and result in an improvement in the short circuit current (Jsc) and open circuit voltage (Voc) as a nanostructured and high-surface-area material in dye-sensitized solar cells. Here, self-assembled amyloid-like peptide nanofibers were exploited as an organic template for the growth of one-dimensional tit...

Journal: :Journal of oleo science 2013
Nao Sorida Shuichiro Hakoda Kanjiro Torigoe Takeshi Endo Kenichi Sakai Hideki Sakai Masahiko Abe

Hollow titania nanoparticles of single-nanometer size have been prepared from titanium oxysulfate (TiOSO₄) using poly(amidoamine) (PAMAM) dendrimer molecules (Generations 5 with amino terminal groups) as a template. At low pH (pH 1), hydrolysis of the titania precursor was attenuated and the sol-gel reaction preferentially proceeded at the dendrimer surface. Calcination at 450°C yielded crystal...

2010
Ewa Kowalska Orlando Omar Prieto Mahaney Ryu Abe Bunsho Ohtani

Fifteen commercial titania (titanium(IV) oxide; TiO 2) powders were modified with gold by photodeposition to prepare photocatalysts that work under irradiation with light in the visible range (vis). The gold-modified titania (Au/TiO 2) powders were characterized by diffuse reflectance spectroscopy (DRS), field-emission scanning electron microscopy (FE-SEM), scanning transmission microscopy (STE...

Journal: :Dalton transactions 2016
Kota Shiba Toshiaki Takei Makoto Ogawa

The coating of solid surfaces with inorganic materials is a promising approach not only to impart various functionalities but also to modify physicochemical properties that are affected by the geometry/structure of the coating. In this study, a silica-hexadecyltrimethylammonium (silica-CTA) hybrid layer was deposited on monodispersed spherical particles composed of titania and octadecylamine (t...

Journal: :Small 2011
Jia Lin Kun Liu Xianfeng Chen

8 Nanoscience and nanotechnology have attracted much interest in recent years because materials exhibit novel properties when structured at nanometer dimensions. In particular, titania (TiO 2 ) nanotubes, a unique functional material combined with directionality and dimension, have been regarded as having unlimited potential. Although many successes have already been achieved, for instance, as ...

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