140 Results Found

Mo-doped TiO₂ nanotube arrays are prepared successfully by a combined method of direct current (DC) magnetron sputtering and anodic oxidation. The doping amount of Mo can be modified by changing the number of molybdenum blocks on the Ti target while...

The detection of partial discharge and analysis of SF₆ gas components in gas-insulated switchgear (GIS) is important for the diagnosis and operating state assessment of power equipment. The use of a Pt-doped TiO₂ nanotube arrays sensor for detecting...

In this paper, the photocatalytic degradation of methyl orange solution by MnO₂/TiO₂ nanotube arrays (NTAs) with different structure was studied. Initially, bamboo-like TiO₂ NTAs with folded tube walls were synthesized using the anodic oxidation meth...

Highly ordered, vertically oriented Fe³⁺-doped TiO₂ nanotube arrays (Fe-TNTs) were prepared on Ti-Fe alloy substrates with different Fe contents by the electrochemical anodization method. The as-prepared Fe-TNTs were characterized by scanning electro...

Nanoscale engineering of regular structured materials is immensely demanded in various scientific areas. In this work, vertically oriented TiO₂ nanotube arrays were grown by self-organizing electrochemical anodization. The effects of different fluori...

Dye-sensitized solar cells (DSSCs) were fabricated with closed- or open-ended freestanding TiO₂ nanotube arrays as photoelectrodes that were decorated with carbon materials and large TiO₂ nanoparticles (NPs) to enhance energy conversion efficiency. T...

Symmetric titania nanotube arrays (TiO₂ NTs) are a well-known photocatalyst with a large surface area and band edge potentials suitable for redox reactions. Thermal treatment of symmetrical arrays of TiO₂ nanotubes in argon was used to change the car...

Gd-doped TiO₂ nanotube arrays with 3D ordered and high specific surface (176 m²/g) area are successfully prepared on a Ti foil surface via an anodizing method. The characterizations of Gd-doped TiO₂ nanotube arrays are carried out using X-ray diffrac...

The analysis to SF₆ decomposed component gases is an efficient diagnostic approach to detect the partial discharge in gas-insulated switchgear (GIS) for the purpose of accessing the operating state of power equipment. This paper applied the Au-doped...

Dye-sensitized solar cells (DSSCs) were fabricated using open-ended freestanding TiO₂ nanotube arrays functionalized with Ag nanoparticles (NPs) in the channel to create a plasmonic effect, and then coated with large TiO₂ NPs to create a scattering e...

One-dimensional TiO₂ nanotube arrays (TNAs) were vertically aligned and obtained via the electrochemical anodization method. In this study, Bi₂S₃-TiO₂-SiO₂/TNA heterojunction photocatalysts were successfully prepared with different amounts of Bismuth...

Highly ordered, freestanding TiO₂ nanotube arrays (TiO₂ NTAs) were prepared using an electrochemical method. The barrier layer was etched to open the bottom of each array, aptly named “open-ended TiO₂ NTAs”. These arrays were coated with silver nanop...

In this investigation, a new, facile, low cost and environmental-friendly method was introduced to fabricate N- and C-modified TiO₂ nanotube arrays by immersing the as-anodized TiO₂ nanotube arrays (TNTAs) in a urea aqueous solution with mechanical a...

Black 3D-TiO₂ nanotube arrays are successfully fabricated on the Ti meshes through a facile electrochemical reduction method. The optimized black 3D-TiO₂ nanotubes arrays yield a maximal photocurrent density of 1.6 mA/cm² at 0.22 V vs. Ag/AgCl with F...

Vertically aligned Fe, S, and Fe-S doped anatase TiO₂ nanotube arrays are prepared by an electrochemical anodization process using an organic electrolyte in which lactic acid is added as an additive. In the electrolyte, highly ordered TiO₂ nanotube l...

Due to integrated advances in photoelectrochemical (PEC) functionalities for environment detection applications, one-dimensional (1D) TiO₂ nanostructures provide a new strategy (PEC sensors) towards organics detection in wastewater. However, the unid...

Herein we report on the synthesis and the effects of gradual loading of TiO₂ nanotube array layers with ZnO upon surface wettability. Two-step preparation was chosen, where TiO₂ nanotube layers, grown in a first instance by anodization of a Ti foil,...

Oriented TiO₂ nanotubes, which are fabricated by anodic oxidation method, are prospective in photoelectrochemical analysis and sensors. In this work, Pt and IrO₂ co-modified TiO₂ nanotubes array was prepared via a two-step deposition process involvin...

The detection of partial discharge through analysis of SF₆ gas components in gas-insulated switchgear, is significant for the diagnosis and assessment of the operating state of power equipment. The present study proposes the use of a TiO₂ nanotube ar...

Solar-driven photoelectrochemical (PEC) water splitting, using semiconductor photoelectrodes, is considered a promising renewable energy source and solution for environmental sustainability. Herein, we report polyvinyl alcohol (PVA) as a binder mater...

Fibrate pharmaceuticals (fibrates), as a widespread class of emerging contaminants, pose potential risks to both ecological systems and human health. The photocatalytic system based on nitrogen (N) and fluorine (F) co-doped TiO₂ nanotube arrays (NF-T...

Dye-sensitized solar cells (DSSCs) are fabricated with freestanding TiO₂ nanotube arrays (TNTAs) which are incorporated with Au nanoparticles (NPs) and carbon materials via electrodeposition and chemical vapor deposition (CVD) method to create a plas...

The development of high efficiency dye-sensitized solar cells (DSSCs) has received tremendous attention. Many researchers have introduced new materials for use in DSSCs to achieve high efficiency. In this study, the change in power conversion efficie...

Dye-sensitized solar cells (DSSCs) are known for their excellent low-light performance, cost-effectiveness, and flexibility. The photoanode has a crucial role in enhancing the overall performance of DSSCs and can be modified with different nanostruct...

TiO₂ nanotube arrays (TNAs) with tube lengths of 4, 6, and 7 μm were prepared via two-step anodization. Thereafter, ultraviolet (UV) photodetectors (PDs) with Au/TiO₂/Au structures were prepared using these TNAs with different tube lengths. The ef...

WO₃-decorated TiO₂ nanotube arrays were successfully synthesized using an in situ anodization method in ethylene glycol electrolyte with dissolved H₂O₂ and ammonium fluoride in amounts ranging from 0 to 0.5 wt %. Anodization was carried out at a volt...

As a unique form of TiO₂, TiO₂ nanotube arrays (TiO₂NTAs) have been widely used. TiO₂NTAs are usually prepared by Ti foil, with little research reporting its preparation by Ti mesh. In this paper, TiO₂NTAs are prepared on a Ti mesh surface via an ano...

LaFeO₃ nanoparticle-modified TiO₂ nanotube arrays were fabricated through facile hydrothermal growth. The absorption edge of LaFeO₃ nanoparticle-modified TiO₂ nanotube arrays displaying a red shift to ~540 nm was indicated by the results of diffuse r...

Titanium dioxide (TiO₂) nanotube arrays (NTAs) were constructed on Ti foil to immobilize Cu₂ZnSnS₄-TiO₂ (CZTS-T/NTAs) via the sol–gel dip-coating technique. The films were characterized by X-ray diffraction (XRD) patterns, field-emission scanni...

Two-dimensional arrays of hollow nanotubes made of TiO ${}_2$ are a promising platform for sensing, spectroscopy and light harvesting applications. Their straightforward fabrication via electrochemical anodization, growing nanotube pillars of fini...

Electrochemically anodized TiO₂ nanotube arrays (NTAs) were used as a support material for the electrodeposition of zinc nanoparticles. The morphology, composition, and crystallinity of the materials were examined using scanning electron microscopy (...

Vertically oriented, self-organized TiO₂–MnO₂ nanotube arrays were successfully obtained by one-step anodic oxidation of Ti–Mn alloys in an ethylene glycol-based electrolyte. The as-prepared samples were characterized by scanning electron microscopy...

Titanium (Ti) thin films deposited on insulated substrates were progressively anodized and formed titanium dioxide (TiO₂) nanotube arrays on the surface through a customized anodization tool designed to improve the uniformity and diameters of the nan...

Highly ordered TiO₂ nanotube (NT) arrays grown on Ti mesh and Ti foil were successfully prepared by a controlled anodic oxidation process and tested for water photo-electrolysis. Electrochemical impedance spectroscopy (EIS), combined with other elect...

Biochar nanoparticles (BC NPs), produced by low temperature pyrolysis (350 °C) of microalgae (Nannochloropsis sp.) and nutshells, are proposed as low-cost and sustainable co-catalysts to promote the photocatalytic activity of TiO₂ nanotube (NT) array...

In this paper, we emphasized the dual application of Cu-modified vertically aligned TiO₂ nanotube arrays as photocatalyst and a relative humidity sensor. The TiO₂ nanotube arrays were obtained by anodization of the titanium layer prepared using radio...

In this work, a simple and cost-effective electrochemical anodization technique was adopted to rapidly grow TiO₂ nanotube arrays on a Ti current collector and to utilize the synthesized materials as potential electrodes for supercapacitors. To accele...

This study compared the responses of Pd-functionalized and pristine titanate (TiO₂) nanotube arrays to ethanol with those to acetone to determine the effects of functionalization of TiO₂ nanotubes with Pd nanoparticles on the sensitivity and selectiv...

Direct interaction with the neuronal cells is a prerequisite to deciphering useful information in understanding the underlying causes of diseases and functional abnormalities in the brain. Precisely fabricated nanoelectrodes provide the capability to...

Quantitative analysis of formaldehyde (HCHO, FA), especially at low levels, in various environmental media is of great importance for assessing related environmental and human health risks. A highly efficient and convenient FA detection method based...

Traditional methods for preparing rare-earth-doped TiO₂ nanotubes are multi-step and often result in uneven dopant distribution, while pure TiO₂ is limited by its wide bandgap and rapid charge recombination. In this study, a one-step in situ synchron...

The well-defined heterostructure of the photocathode is desirable for photoelectrochemically producing hydrogen from aqueous solutions. Herein, enhanced heterostructures were fabricated based on typical stable covalent organic framework (TpPa-1) film...

Nitrogen-doped TiO₂ nanotube arrays (N-TNAs) were successfully fabricated by a simple thermal annealing process in ambient N₂ gas at 450 °C for 3 h. TNAs with modified morphologies were prepared by a two-step anodization using an aqueous NH₄F/ethylen...

TiO₂/Cu_xO_y nanotube (NT) arrays were synthesized using the anodization method in the presence of ethylene glycol and different parameters applied. The presence, morphology, and chemical character of the obtained structures was characterized using a v...

Mo/N co-doped TiO₂ nanotube array films were obtained by a combination of magnetron sputtering and anodization. The influences of doping concentration and nanotube morphology on the structure, morphology, elemental composition, light-absorption capac...

In this study, a ternary z-scheme heterojunction of Bi₂WO₆ with carbon nanoparticles and TiO₂ nanotube arrays was used to remove paracetamol from water by photoelectrocatalysis. The materials and z-scheme electrode were characterised using X-ray diff...

A Zr⁴⁺-doped anatase TiO₂ nanotube array electrode was prepared using a process that included Ti anodizing, chemical immersion, and heat treatment. The compositions, microstructure, and electrochemical properties of the prepared electrodes were chara...

This work concerns the development of a good quality graphene doped TiO₂ nanotube array sensor for efficient detection of methanol. A pure and graphene doped TiO₂ nanotube array was synthesized by electrochemical anodization. Morphological, structura...

Electrochemical anodization is already a well-established process, owing to its multiple benefits for creating high-grade titanium dioxide nanotubes with suitable characteristics and tunable shapes. Nevertheless, more research is necessary to fully c...

The concurrent challenges of environmental pollution and energy scarcity necessitate advanced sustainable technologies. Photocatalytic fuel cells (PFCs) offer a promising route by coupling pollutant degradation with energy recovery. However, the syne...