1,386 Results Found

Exploiting the Bragg mirror effect of photonic crystal photoelectrode is desperately desired for photoelectrochemical water splitting. Herein, a novel TiO₂ nanotube photonic crystal bi-layer structure consisting of a top nanotube layer and a bottom n...

The rapid growth of rutile TiO₂ single crystals through a laser floating zone (LFZ) method was demonstrated. LFZ has a higher power density, which is suitable for the growth of TiO₂ crystals with a high melting point. By optimizing the crystal growth...

Anosovite crystalline is an ideal mineral for flotation from the Ti-bearing blast furnace (TBBF) slag. Ti₃O₅ crystal and Al₂TiO₅ crystal are two kinds of anosovites, and the Al element significantly affects the electronic structure and flotation perf...

Facile crystallization of titanium oxide (TiO₂) nanotubes (NTs), synthesized by electrochemical anodization, with low pressure non-thermal oxygen plasma is reported. The influence of plasma processing conditions on TiO₂ NTs crystal structure and morp...

The hydrolysis of an industrial titanyl sulfate (TiOSO₄) solution to metatitanic acid (H₂TiO₃) is the crucial step in the production of titanium dioxide (TiO₂) using the sulfuric acid process, and the extra-adding seeded route is generally adopted in...

Among all transition metal oxides, titanium dioxide (TiO₂) is one of the most intensively investigated materials due to its large range of applications, both in the amorphous and crystalline forms. We have produced amorphous TiO₂ thin films by means...

TiO₂-supported catalysts have been widely used for a range of both liquid-phase and gas-phase hydrogenation reactions. However, little is known about the effect of their different crystalline surfaces on their activity during the hydrodeoxygenation p...

We have developed a very useful and cost-effective liquid crystal (LC) alignment layer of brush-coated TiO₂ that is solution-processable for twisted nematic (TN) LC cells. TiO₂ was prepared via the sol-gel method. The TiO₂ solution was brush-coated o...

We report on space-selective crystallization of congruent and polar Sr₂TiSi₂O₈ crystals in a stoichiometric SrO-TiO₂-SiO₂ glass induced by (1030 nm, 300 fs) femtosecond laser irradiation. This allows us to compare with non-congruent laser-induced cry...

The anatase/rutile mixed crystal TiO₂ was prepared and modified with Ag decoration and SnO₂ coupling to construct a Ag@SnO₂/anatase/rutile composite photocatalytic material. The crystal structure, morphology, element valence, optical properties and s...

A kinetic study of the non-isothermal crystallization of CaO-SiO₂-Al₂O₃-TiO₂ glass was carried out using the Matusita–Sakka equation and differential thermal analysis. As starting materials, fine-particle glass samples (<58 µm), case d...

To evaluate the crystallization behavior of Ti-bearing blast furnace slag-based glass ceramics, SiO₂-Al₂O₃-CaO-MgO-TiO₂ systems with various TiO₂ were investigated. The crystallization process and mechanical properties were analyzed. The results show...

The utilization of titanium-containing blast furnace slag has been an unsolved problem for a long time. Failure to make effective use of the slag, which is caused by a high TiO₂ content within it, not only results in a waste of resources, especially...

In this work, undoped, N-doped, WO₃-loaded undoped, and WO₃-loaded with N-doped TiO₂ rutile single-crystal wafers were fabricated by direct current (DC) magnetron sputtering. N-doping into TiO₂ and WO₃ loading onto TiO₂ surface were used to increase...

The (1−x)(Na_1/2Bi_1/2)TiO₃-xSrTiO₃ (NBT-100xST) system is a possible lead-free candidate for actuator applications because of its excellent strain vs. electric field behaviour. Use of single crystals instead of polycrystalline ceramics may lead...

In this study, TiO₂ nanoparticles (NPs), CdS NPs and TiO₂/CdS nanocomposite were synthesized via the sol–gel, hydrothermal and ex situ method, respectively. The synthesized materials were characterized using XRD, UV–vis DRS, FTIR, SEM, an...

In this work, we reported obtaining mesoporous Bi-doped TiO₂ by mechanosynthesis and bismuth loading of 0%, 1%, 3%, 5%, and 10% (milled TiO₂, TiO₂ Bi 1%, TiO₂ Bi 3% TiO₂ Bi 5%, and TiO₂ Bi 10%, respectively). The effect of bismuth doping and ball mil...

Three types of graphene–single crystal titanium dioxide composite (GR–TiO₂SCs) were prepared using the hydrothermal method, employing TiF₄ and graphite as raw materials with hydrofluoric acid serving as the morphology-directing agent. The...

Construction of liquid crystal (LC) alignment by introducing polyimide (PI) to indium tin oxide (ITO) electrodes is one of the main methods to realize high-resolution images in liquid crystal displays (LCD). However, the loss of transmittance caused...

Bendable single crystal silicon nanomembrane thin film transistors (SiNMs TFTs), employing a simple method which can improve the metal/n-Silicon (Si) contact characteristics by inserting the titanium dioxide (TiO₂) interlayer deposited by atomic laye...

A reverse-micelle sol–gel method was chosen for the preparation of Fe-doped TiO₂ samples that were employed in the photodegradation of the crystal violet dye under visible light irradiation in a batch reactor. The dopant amount was varied to as...

Amorphous TiO₂ thin films were respectively annealed by 13.56 MHz radio frequency (RF) atmospheric pressure plasma at discharge powers of 40, 60, 80 W and thermal treatment at its corresponding substrate temperature (T_s). T_s was estimated through thr...

The anodic TiO${}_2$ photonic crystals evoke great interest for application as photocatalytic media due to high absorption of light resuling from their specific structure. In this work, the optical properties of the photonic crystal based on a bamboo-type...

The isothermal precipitation kinetics of rutile crystals was studied to clarify the mechanism for the influence of TiO₂ content on the shape transformation of rutile crystals. The results indicate that the growth index n values were about 2, 3, and 4...

The crystal-plane dependence of the photoelectrochemical (PEC) water-splitting property of rutile-structured Nb-doped TiO₂ (TiO₂:Nb) single-crystal substrates was investigated. Among the crystal planes, the (001) plane was a very promising surface fo...

Polyvinyl alcohol (PVA)/TiO₂/colloidal photonic crystal (CPC) films with photocatalytic properties are presented, where TiO₂ nanoparticles were introduced into the PVA gel network. Such PVA/TiO₂/CPC films possess three-dimensional periodic structures...

Photodegradation of antibiotics based on photocatalytic semiconductors is a promising option to alleviate water pollution. Despite its limitations, TiO₂-based photocatalysts are still the most widely studied materials for pollutant degradation. In th...

Hydrothermally grown TiO₂ nanorods are a key material for several electronic applications. Due to its anisotropic crystal structure, the electronic properties of this semiconductor depend on the crystallographic direction. Consequently, it is importa...

In this paper, khaki titanium dioxide (TiO₂) crystals via hierarchical self-assembly of nanorods with different morphologies and specific exposed crystal facets were prepared for the first time by using a TiCl₃ treatment process in the presence and a...

We report the growth of YTiO₃ single crystals using different starting materials with the nominal compositions, (1) stoichiometric YTiO₃; (2) oxygen deficient YTiO_2.925; (3) oxygen deficient YTiO_2.85, and different atmospheres, (1) 97%Ar/3%H₂; (2) Ar...

The bismuth layer-structured ferroelectrics (BLSFs) materials have potential for high-temperature piezoelectric applications. Among these piezoelectric materials, the CaBi₄Ti₄O₁₅ (CBT) piezoelectric ceramic with a high decomposition temperature of ab...

Crystallization alters the characteristics of TiO₂ nanosurfaces, which consequently influences their bio-performance. In various biomedical applications, the anatase or rutile crystal phase is preferred over amorphous TiO₂. The most common crystalliz...

The growth of MAPbBr₃ crystal-faced films is a critical challenge for advancing optoelectronic devices. This study presents a methodology for fabricating a (100) crystal-faced MAPbBr₃ film on a lattice-matched MgO/TiN composite substrate using a loca...

The strict control of the work function of transition metal oxide crystals is of the utmost importance not only to fundamental research but also to applications based on these materials. Transition metal oxides are highly abundant in electronic devic...

The BiFeO₃-BaTiO₃ (BF-BT) ceramics were here prepared through the solid-state reaction of Bi₂O₃, Fe₂O₃ and nano-sized BT powders. The crystal structures and piezoelectric properties were investigated in both quenched (AQ) and slowly cooled (SC) 0.7BF...

The crystal phases and surface states of TiO₂ can intrinsically determine its performance in the applications of photocatalysis. Here, we prepared TiO₂ nanofibers with different crystal phase contents by electrospinning followed via calcination at di...

TiO₂ exposed high energy crystal plane (001) was prepared by the sol-gel process using butyl titanate as the titanium source and hydrofluoric acid as the surface control agent. Ag-TiO₂ was prepared by depositing Ag on the crystal plane of TiO₂ (101)...

In the present study, a process of separating high-quality TiO₂ from an oxalic-acid leachate of vanadium slag was proposed. It consists of two steps; oxalic acid was firstly recovered from the leachate by the cooling-crystallization method, and subse...

To meet the demand for compact, low-power on-chip electro-optic modulators for high-density photonic integration in the post-Moore era, this paper proposes an on-chip integrated electro-optic modulation structure that combines an embedded waveguide&n...

Piezoelectric properties are of significant importance to medical ultrasound, actuators, sensors, and countless other device applications. The mechanism of piezoelectric properties can be deeply understood in light of structure evolutions. In this pa...

For the first time, nanofluid boiling was applied as a process for the creation of a semiconductor TiO₂ nanoparticle film that can be deposited onto a conductive substrate (F-doped SnO₂ glass: FTO). A steel-base device designed for pool boiling was u...

Congo Red (CR) and Amido Black 10B (AB-10B) are anionic diazo dyes, which are metabolized to produce a bioaccumulative and persistent carcinogen, benzidine. In this regard, an angle sensitive sensor composed of photonic crystal supported photocatalys...

Pure and Sn/Ni co–doped TiO₂ nanomaterials with anatase/rutile mixed crystal were prepared and characterized. The results show that pure TiO₂ is a mixed crystal structure composed of a large amount of anatase and a small amount of rutile. Sn doping p...

Carbon–Ti nanocomposites were prepared by a controlled two-step method using microcrystalline cellulose as a raw material. The synthesis procedure involves the solubilization of cellulose by an acid treatment (H₃PO₄ or HNO₃) and the impregnatio...

We demonstrate the heteroepitaxial growth of phase-pure bronze-phase TiO₂ films using pulsed laser deposition on MgAl₂O₄ single-crystal substrates. While the growth on cubic substrates with smaller lattice parameters favors the stabilization of an ou...

Disk- and filament-like ZnO crystals were decorated on one-dimensional TiO₂ nanostructures (TiO₂–ZnO) through various integrated physical and chemical synthesis methods. The morphology of the ZnO crystals on TiO₂ varied with the chemical synthesis me...

The precursor for a lithium-ion sieve is prepared using an inorganic precipitation-peptization method with titanium sulfate as the titanium source and lithium acetate as the lithium source. The effects of Ni²⁺ (Nickel ions) doping on the stability of...

Ti₃C₂-MXene material, known for its strong electronic conductivity and optical properties, has emerged as a promising alternative to noble metals as a cocatalyst for the development of efficient photocatalysts used in environmental cleanup. In this s...

Nano-titanium dioxide (TiO₂) is currently the most widely studied photocatalyst. However, its rapid recombination of photogenerated carriers and narrow range of light absorption have limited its development. Crystal form regulation and polymer modifi...

The objective of this work was to obtain glass-ceramics from stable glasses, with a composition of barium, lead, and potassium titanate phases, for use as semiconductors. For this purpose, the glass-ceramic technique was used to control crystal growt...