نتایج جستجو برای: tio2 nanotubes
تعداد نتایج: 50702 فیلتر نتایج به سال:
Two new functionalized 4,4'-disubstituted 2,2'-bipyridines that were end-capped with cyanoacrylic acid or cyanoacrylic acid ester anchoring groups, which might allow their efficient functionalization on TiO2 or other metal-oxide semiconductor surfaces, have been synthesized and characterized by electrochemical, photophysical, and spectroscopic measurements. The electrochemical and photophysical...
TiO2 nanotube arrays are well-known efficient UV-driven photocatalysts. The incorporation of graphene quantum dots could extend the photo-response of the nanotubes to the visible-light range. Graphene quantum dot-sensitized TiO2 nanotube arrays were synthesized by covalently coupling these two materials. The product was characterized by Fourier-transform infrared spectrometry (FTIR), scanning e...
TiO(2) is one of the most studied compounds in materials science. Owing to some outstanding properties it is used for instance in photocatalysis, dye-sensitized solar cells, and biomedical devices. In 1999, first reports showed the feasibility to grow highly ordered arrays of TiO(2) nanotubes by a simple but optimized electrochemical anodization of a titanium metal sheet. This finding stimulate...
BACKGROUND Engineered nanomaterials (ENMs) have potential benefits, but they also present safety concerns for human health. Interlaboratory studies in rodents using standardized protocols are needed to assess ENM toxicity. METHODS Four laboratories evaluated lung responses in C57BL/6 mice to ENMs delivered by oropharyngeal aspiration (OPA), and three labs evaluated Sprague-Dawley (SD) or Fish...
The purpose of this study was to investigate the antimicrobial properties of a conventionalpoly methyl methacrylate (PMMA) modified with hydrothermally synthesised titaniumdioxide nanotubes (TNTs). Minimum inhibitory concentration (MIC), minimum bactericidalconcentration (MBC), and minimum fungicidal concentrations (MFC) for planktonic cellsof the TiO2 nanotubes solution against Lactobacillus a...
We report an underpotential deposition (UPD) route of Cu2ZnSnS4/TiO2 nanotube arrays (TiO2-NTAs) in which the Kesterite (Cu2ZnSnS4) was employed as a sensitizer to enhance photoconversion efficiency TiO2-NTAs. Cu2ZnSnS4 simultaneously coated on TiO2-NTAs by depositing its constituent metals from precursor ions via electrochemical atomic layer (EC-ALD) and subsequent annealing. The detailed synt...
A flexible and mild fabricating protocol, i.e., stepwise reduction in situ loading route, is proposed to modulate ordered growing dispersive depositing of [email protected] bimetal layered nanostructure on titanium dioxide nanotubes (TiO2-NTs) via reasonably regulating addition sequence dosage for the reactants additives. Comprehensive characterizations demonstrate that most Cu core-Pt shell na...
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