Results 11 to 20 of about 111,072 (271)

Are Titania Photocatalysts and Titanium Implants Safe? Review on the Toxicity of Titanium Compounds

open access: yesNanomaterials, 2020
Titanium and its compounds are broadly used in both industrial and domestic products, including jet engines, missiles, prostheses, implants, pigments, cosmetics, food, and photocatalysts for environmental purification and solar energy conversion ...
Agata Markowska-Szczupak   +3 more
doaj   +2 more sources

Selective Oxidation of 5‐Hydroxymethylfurfural to 2,5‐Diformylfuran by Visible Light‐Driven Photocatalysis over In Situ Substrate‐Sensitized Titania

open access: yesChemSusChem, 2021
Solar energy‐driven processes for biomass valorization are priority for the growing industrialized society. To address this challenge, efficient visible light‐active photocatalyst for the selective oxidation of biomass‐derived platform chemical is highly
Ayesha Khan   +8 more
semanticscholar   +1 more source

Dialkyldithiophosphate Acids (HDDPs) as Effective Lubricants of Sol–Gel Titania Coatings in Technical Dry Friction Conditions [PDF]

open access: yes, 2011
The goal of this study was the investigation of the effectiveness of dialkyldithiophosphate acids (HDDPs) films in improving the tribological properties of thin, sol– gel derived titania coatings.
AM Barnes   +24 more
core   +1 more source

Nanocomposites containing titanium dioxide for environmental remediation

open access: yesDesigned Monomers and Polymers, 2021
Titania is considered to be one of the most versatile material in its nanoform. Scientific community looks towards it to address various pressing global problems.
Soad Z. Alsheheri
doaj   +1 more source

Synthesis and textural properties of unsupported and supported rutile (TiO2) membranes [PDF]

open access: yes, 1993
Two approaches were postulated for improving the stability of porous texture of titania membranes: (1) retarding the phase transformation and grain growth; (2) avoiding the phase transformation.
Burggraaf, Anthonie J.   +4 more
core   +3 more sources

Catalytic coatings on steel for low-temperature propane prereforming to solid oxide fuel cell (SOFC) application [PDF]

open access: yes, 2009
Catalyst layers (4–20 lm) of rhodium (1 wt%) supported on alumina, titania, and ceria–zirconia (Ce0.5Zr0.5O2) were coated on stainless-steel corrugated sheets by dip-coating in very stable colloidal dispersions of nanoparticles in water.
Alphonse, Pierre, Ansart, Florence
core   +2 more sources

The effect of titania doping on structure and mechanical properties of calcia-stabilized zirconia ceramic

open access: yesJournal of Materials Research and Technology, 2019
The effect of titania doping on density, phase composition, and mechanical properties of calcia-stabilized tetragonal zirconia ceramics (Ca-TZP) was investigated. The samples were prepared via milling, spray drying and consequent uniaxial pressing of the
Andrey O. Zhigachev   +2 more
doaj   +1 more source

STUDI PREPARASI DAN KARAKTERISASI SEL SURYA BERBASIS TITANIA MELALUI PENYISIPAN LOGAM TEMBAGA (CU) DENGAN BERBAGAI VARIASI MASSA PADA LAPISAN AKTIF TITANIA

open access: yesJurnal Sains Dasar, 2017
Abstrak                  Penelitian ini bertujuan untuk mengetahui pengaruh penyisipan logam tembaga (Cu) dengan berbagai variasi massa terhadap struktur morfologi dan komposisi bahan pada permukaan lapisan titania, absorbansi lapisan titania, resistansi
Rita Prasetyowati
doaj   +1 more source

Stable hydrosols for TiO2 coatings [PDF]

open access: yes, 2010
The optimum processing parameters required to synthesize, by hydrolysis of titanium isopropoxide (TIP), highly stable hydrosols composed of nanoparticles of the smallest possible size, are deduced both from data available in literature and from our own ...
Alphonse, Pierre   +2 more
core   +2 more sources

PREPARASI DAN KARAKTERISASI NANO KOMPOSIT KITOSAN-SILIKA DAN KITOSAN-SILIKA TITANIA (Preparation and Characterisation of Chitosan-Silica and Chitosan Silica Titania Nano Composites)

open access: yesJurnal Manusia dan Lingkungan, 2012
ABSTRAK Telah dibuat komposit kitosan silika dan kitosan silika titania dari larutan kitosan dan sol silika serta sol silika titania untuk aplikasi bahan antibakteri.
Dina Kartika Maharani   +3 more
doaj   +1 more source

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