Ultrasensitive Ag-coated TiO2 nanotube arrays for flexible SERS-based optofluidic devices
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چکیده
منابع مشابه
Tunable TiO2 Nanotube Arrays for Flexible Bio-Sensitized Solar Cells
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TiO2-coated Ag nanorods (Ag@TiO2 NRs) have been fabricated as multifunctional surface-enhanced Raman scattering (SERS) substrates. Uniform TiO2 shells could sufficiently protect the internal Ag NRs against oxidation and sulfuration, thus the temporal stability of SERS substrates was markedly improved. Meanwhile, due to the synergetic effect between crystalline TiO2 and Ag, the nanocomposites co...
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ABSTRACT Dye-sensitized solar cells composed of a photoanode of Ag nanoparticle (NP)-deposited TiO2 nanotube (TNT) arrays were fabricated. The TNT arrays were prepared by anodizing Ti films on fluorine-doped tin oxide (FTO)-coated glass substrates. Efficient charge transportation through the ordered nanostructure of TNT arrays should be carried out compared to conventional particulate TiO2 elec...
متن کاملInterfacial band alignment for photocatalytic charge separation in TiO2 nanotube arrays coated with CuPt nanoparticles.
n-Type anatase-phase one-dimensional TiO2 nanostructure arrays coated with nanoparticles of Cu or CuPt have emerged as high performance photocatalysts for both photooxidation and photoreduction. The properties of the catalyst-promoter interface are recognized to be critical to this high performance but are largely unknown. Using X-ray and ultraviolet photoelectron spectroscopies (XPS/UPS), we p...
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ژورنال
عنوان ژورنال: Journal of Materials Chemistry C
سال: 2015
ISSN: 2050-7526,2050-7534
DOI: 10.1039/c5tc01154j