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Efficiency improvement of polymer light-emitting devices using titanium

Highlights In this study we examined titanium and titanium dioxide as electron injecting layers in polymer light-emitting devices. We established efficiency improvement in comparison with the device without electron injecting layer. We concluded that the performance of the device with a Ti/Al cathode is less sensitive to the injection …

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Steady-State Electrochemiluminescence at Single …

In this work, steady-state bright ECL is implemented at single semiconductive titanium dioxide (TiO 2) nanoparticles for sensing the local efflux from single living cells.

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Preparation and characterization of suitable insulating and …

Indium tin oxide thin films have been deposited on titanium dioxide and tantalum oxide films on glass for thin film electroluminescent devices. The resistivity of ITO films deposited on titanium dioxide and tantalum oxide films has a minimum value of 9.5x1 O'4 Q-cm and 9.0x10'4 Q-cm respectively annealed at 500°C in nitrogen which are as low ...

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Composite dielectrics for low voltage electroluminescent …

The dielectric, which is provided on either side of the active phosphor in an AC-driven electroluminescent display, is formed of a composite material which has both high …

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(PDF) Bifacial Color-Tunable Electroluminescent Devices

titanium oxide dispersion (Kronos Titan ) with 58 wt % H 2 O to a ff ord a wet layer thickness of 90 μ m. For ACEL devices with single-sided emission, an opaque silver −

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Device performance enhancement in polymer light-emitting …

In this work, by introducing solution-based titanium oxide (TiOx) thin film as an electron injection layer between the polymer and Al electrode, we demonstrate that the devices exhibit an enhanced efficiency. The TiOx layer reduces the barrier height between the polymer and aluminum (Al) cathode, thereby facilitating the electron injection in ...

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Efficiency improvement of polymer light-emitting devices …

Titanium dioxide and titanium are potentially candidates for electron injecting layer in poly(9,9-dihexyl-9H-fluorene-2,7-diyl-vinylene) (PPV-D) based PLED, …

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Ultrathin sol–gel titanium oxide hole injection layer in OLEDs

DOI: 10.1016/J.SURFCOAT.2004.10.078 Corpus ID: 98196166; Ultrathin sol–gel titanium oxide hole injection layer in OLEDs @article{Huang2005UltrathinST, title={Ultrathin sol–gel titanium oxide hole injection layer in OLEDs}, author={Z. H. Huang and X. T. Zeng and En-Tang Kang and Ying Hsi Jerry Fuh and Li Lu}, journal={Surface …

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Indium tin oxide coated PEN with titanium(IV) oxide buffer …

Indium tin oxide coated PEN with titanium(IV) oxide buffer layer >80% transparency, film L × W × thickness 29.7 cm × 21 cm × 125 μm, sheet resistance <15 Ω/sq; Synonyms: ITO coated polyethylene naphthalate with titanium dioxide buffer layer,ITO-PEN with TiO2 buffer layer (>80% transparency); find Sigma-Aldrich-918067 MSDS, related peer …

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Characteristics of Light Emission Lifetime of Electroluminescent …

To improve the light emission lifetime of electroluminescent ZnS:Cu, Cl phosphor, the surface of the phosphor was coated with titanium-silicon-oxide (TSO) film that was deposited by chemical vapor ...

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Enhancement of Luminance in Powder Electroluminescent …

Powder electroluminescent (EL) devices with an electric field type excitation are surface light sources that are expected to have a wide range of practical applications, owing to their high environmental resistance; however, their low luminance has hindered their use. ... Barium titanium oxide was also dispersed in the polymer paste, …

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(a) CIE coordinates and electroluminescent spectra …

Ti6Al4V plates coated with TiO2 nanofilm and common titanium alloy plates were implanted in the two groups, respectively, and both groups were exposed to continuous microwave irradiation with a ...

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Adverse Outcome Pathways Associated with the Ingestion of Titanium …

1. Introduction. The technology based on manufactured nanoparticles (NPs) has been pointed as a key enabling technology, due to its potential to improve many products and processes, namely in agriculture, food, and feed industry [].Several commercialized products have NPs in its constitution, such as silver, titanium dioxide …

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Efficiency improvement of polymer light-emitting devices …

We demonstrate that the electroluminescent performances of organic light-emitting diodes (OLEDs) are significantly improved by evaporating a thin F4-TCNQ film …

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Electroluminescence from Silicon-Based Light-Emitting …

Titanium Codoping Chengtao Xia, Jinxin Chen, Tong Zhao, Linlin Fan, ... electroluminescent. Figure S3. Plane-view SEM images of ZnO:(Ti, Er) films doped with nominal (a) 5 mol % and (b) ... Uvdal, P. Titanium dioxide thin-film growth on silicon (111) by chemical vapor deposition of titanium(IV) isopropoxide. J. Appl.

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Preparation and characterization of suitable insulating and …

Insulating films of titanium dioxide and tantalum oxide were prepared from titanium and tantalum alkoxides respectively and their characteristics have been investigated. The …

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Titanium Dioxide | Formula, Properties & Application

Titanium Dioxide's unique properties of high refractive index, resistance to UV radiation, and chemical inertness make it an invaluable component in numerous commercial products. Paints and Coatings: Titanium Dioxide is widely used as a pigment in paints and coatings. It imparts brightness, opacity, and durability to the paint, enhancing its ...

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Titanium Dioxide: From Engineering to …

The band structures, electronic properties, and chemical features of the modified TiO 2 nanomaterials are clarified in detail along with details regarding their photocatalytic performance and various applications. …

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Organic electroluminescent device, manufacturing method …

Here, a method using titanium oxide particles is adopted to block metal ions that are considered to diffuse from an electrode. Japanese Unexamined Patent Application Nos. 4-150369 and 2001-179890 are examples of related art in which titanium oxide is introduced into an organic EL element, although they produce different results.

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Steady-State Electrochemiluminescence at Single Semiconductive Titanium

Obtaining steady-state bright electrochemiluminescence (ECL) at single nanoparticles is crucial but challenging for the realization of the single-nanoparticle electrochemical sensing of single cells. In this work, steady-state bright ECL is implemented at single semiconductive titanium dioxide (TiO2) nanoparticles for sensing the local …

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Ultraviolet emission from YAlO3:Gd3+ thin film electroluminescent …

Inorganic ultraviolet-electroluminescent (UV-EL) devices with a Gd 3+-doped YAlO 3 thin film emitting layer were fabricated by radio frequency sputtering. Three kinds of perovskite-type oxide substrates, namely a SrTiO 3 single crystal (STO-SC), BaTiO 3 single crystal (BTO-SC), and BaTiO 3 polycrystalline disk (BTO-PC), were used …

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Growth of titanium dioxide films by atomic layer epitaxy

Titanium dioxide thin films were deposited by atomic layer epitaxy using TiCl4 and water as reactants. The film growth was performed over the temperature range 150–600 °C in order to study the ...

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Electrospun lead-doped titanium dioxide nanofibers and the

Electrospun lead-doped titanium dioxide nanofibers and the in situ preparation of perovskite-sensitized photoanodes for use in high performance perovskite solar cells Y. Xiao, G. Han, Y. Li, M. Li and J. Wu, J. Mater. Chem. A, 2014, 2, 16856 DOI: 10.1039/C4TA03658A . To request permission to ...

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Schematic built-up of electroluminescent devices.

The zinc sulfide pigments are colored in purple embedded in the polymer matrix, and the dielectric layer, which contains titanium dioxide, is depicted in orange. ...

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Electroluminescence from Silicon-Based Light-Emitting …

ZnO crystal grains can be activated to emit light. Figure S4. (a) Visible EL spectra acquired at the injection current of 5 mA for the LEDs with the ZnO:(Ti, Er) films doped with …

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Enhanced electroluminescence in fully printable …

Powder electroluminescent devices (PELDs) have a high potential for commercial application because of flat light emission devices and simple process fabrication with low-cost production, without …

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Titanium dioxide | Description & Uses | Britannica

titanium dioxide, (TiO 2), a white, opaque, naturally occurring mineral existing in a number of crystalline forms, the most important of which are rutile and anatase.These naturally occurring oxide forms can be mined and serve as a source for commercial titanium.Titanium dioxide is odourless and absorbent. Its most important function in …

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Electrochemical and electroluminescent behaviors of single …

Electrochemical and electroluminescent behaviors of single meldola's blue-ruthenium (II) bipyridine composite nanoparticles colliding onto an ultramicroelectrode ... Steady-state electrochemiluminescence at single semiconductive titanium dioxide nanoparticles for local sensing of single cells. Anal. Chem., 91 (2019), pp. 1121-1125, …

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Titanium Dioxide: Structure, Impact, and Toxicity

Titanium dioxide nanoparticles are part of the top five nanoparticles used in industry, owing to their versatility in applications—as photocatalysts, in pharmaceuticals [13,14], processed foods [15,16,17,18] and products [13,17,19], cosmetic white pigments [17,18], fabrics, and paints, and sunscreens . Compared to ...

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Nitrogen-Doped Carbon Dots/TiO2 Nanoparticle …

Superior white electroluminescent devices using nitrogen-doped carbon dots/TiO 2 nanorods heterostructures. Nanotechnology 2024, 35 (1) ... Carbon dots dominated photoelectric surface in titanium dioxide …

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