2,440 Results Found

This article reports the effect of a nanoscale addition of TiO₂ on the structure and superconducting parameters of the high-temperature superconductor YBa₂Cu₃O_7-δ (Y123). Polycrystalline compounds of Y123 with different percentages of TiO₂, x =...

NiWAu trimetallic nanoparticles (NPs) on the surface of support Al₂O₃-CeO₂-TiO₂ were synthesized by a three-step synthetic method in which Au NPs were incorporated into presynthesized NiW/Al₂O₃-CeO₂-TiO₂. The recharge method, also known as the redox...

Ti⁴⁺-ion-doped (n + 1)SrO − nCeO₂ (n = 2) ceramic systems were prepared with the conventional solid-state reaction method, and the effects of the phase structures and compositions, sintering behaviors, microstructures and microwave dielectric p...

Mortars with two different binders (Portland cement (PC) and high alumina cement (HAC)) were modified upon the bulk incorporation of nano-structured photocatalytic additives (bare TiO₂, and TiO₂ doped with either iron (Fe-TiO₂) or vanadium (V-TiO₂))....

Over the next decade, advanced lithium-based secondary batteries will require high-performance anodes to achieve superior energy density and cycling stability. In this work, anatase titanium dioxide nanotube arrays (TiO₂ NTs) are fabricated on ultrat...

Four ceramic coatings are fabricated on 6061 aluminum alloy substrates with a micro-arc oxidation technique in silicate electrolytes with different TiO₂ nano-additive concentrations. To explore the cavitation erosion resistance of the micro-arc oxida...

The developments in the field of nano-additives have increased in the recent years due to the desire to reduce the level of exhaust emissions in diesel engines. The soot characteristics of particulate matter (PM) and nitrogen oxides (NO_X) were experi...

The effect of the use of TiO₂ nanoparticles in the production of cementitious composites, worldwide already known, represents an area of interest for the development of materials with self-cleaning capacity; antimicrobial, antibacterial, antifungal p...

In this study, mortar specimens were prepared with a cement:sand:water ratio of 1:3:0.5, in accordance with standard EN196-1. Portland CEM I 52.5 R grey (G) and white (W) cements were used, together with normalised sand and distilled water. Different...

TiO₂ nanoparticles and Mg alloy were added to molten steel in sequence to investigate the inclusion and microstructure characteristics. Compared with a non-treated sample, these additives resulted in the formation of Ti–Mg-bearing inclusions, w...

To improve the yield of titanium alloy, a certain amount of TiO₂ can be added to the refining slag system of Ti-bearing steel grades. With the aim of understanding the effect of TiO₂ addition on the melting behaviors of CaO-SiO₂-30%Al₂O₃-5%MgO refini...

The presence of TiO₂ nanoparticles in a cementitious matrix induces self-cleaning capacity in the presence of UV radiation by combining two mechanisms: surface hydrophilicity and degradation of the stain agent molecules. Experimental results indicate...

In this work, a functionalized zwitterionic (ZI) compound 1-butylsulfonate-3-methylimidazole (C₁C₄imSO₃) was synthesized and tested as an additive to LiTFSI/C₂C₂imTFSI ionic liquid-based electrolytes for lithium-ion batteries. The structure and purit...

Photocatalysis with TiO₂ semiconductors is one of several potential methods for removing Methylene Blue (MB) that is environmentally friendly, relatively cheap, and effective. The capability of TiO₂ photocatalysts for degrading MB can be improved by...

Bamboo forests cover a remarkable area of Chinese forestland. Recently, titanium dioxide nanoparticles (TiO₂ NPs) have been used for plant protection against abiotic stress. In this study, an in vitro tissue culture experiment was conducted to determ...

The aim of this study was to investigate the effects of TiO₂/CaO addition on the crystallization and flexural strength of leucite glass-ceramics (GC). Synthesis of translucent and high strength GCs is important for the development of aesthetic and du...

TiO₂ is usually used as a sintering aid to lower the sintering temperature of porous alumina membrane support. Two ways of the addition of TiO₂ are chosen: in-situ precipitation and in-situ hydrolysis. The results show that the distribution status of...

In the last few years, increasing interest from researchers and companies has been shown in the development of photocatalytic coatings for air purification and self-cleaning applications. In order to maintain the photocatalyst’s concentration a...

The objective of the research was to prepare Mn-based materials for use as oxygen carriers and investigate their reactivity in terms of their applicability to energy systems. The family of Fe₂O₃-MnO₂ with the addition of TiO₂ was prepared by mechanic...

Composite chitosan/phosphotungstic acid (CS/PTA) with the addition of TiO₂ and Al₂O₃ particles were synthesized to be used as proton exchange membranes in direct methanol fuel cells (DMFCs). The influence of fillers was assessed through X-ray diffrac...

In this paper, we investigate humidity sensing through impedance measurements with TiO₂ nanoparticles (about 6 nm in diameter). The transient behavior and the impedance spectra are measured and interpreted from the theoretical point of view. Large re...

The laser damage resistance of optical films holds significant practical importance, as it largely determines both the maximum power output of laser systems and the overall stability of the entire optical assembly. A comprehensive investigation was c...

A series of black TiO₂ with and without the addition of urea were successfully prepared using a simple one-step synthetic method by calcination under different atmospheres (vacuum, He, or N₂). The physicochemical, optical, and light-induced charge tr...

Sintering characteristics, phase evolutions, microstructures, and microwave dielectric properties have been investigated for BaTi₄O₉ ceramics prepared by traditional low temperature sintering using CuO–TiO₂ (CT) additions as aids. The sintering...

The objective of this research was to fine-tune the surface properties of printed ink layers by incorporating TiO₂ and ZnO nanoparticles into conventional flexographic ink. This modification aimed to improve print quality while simultaneously providi...

This paper presents a method of utilising ilmenite MUD created during the production of titanium dioxide (TiO₂) according to the sulphate method as an additive for Portland cement composites. After the production process, undissolved MUD was addition...

In this work, SrBi₄Ti₄O₁₅ (SBT) high-temperature piezoelectric ceramics with the addition of different oxides (Gd₂O₃, CeO₂, MnO₂ and Cr₂O₃) were fabricated by a conventional solid-state reaction route. The effects of oxide additives on the phase stru...

The application of additive manufacturing method such as material extrusion (MEX) allows the successful fabrication of ceramic products, including multi-ceramic products. Promising materials in this research area are TiO₂ and ZrO₂ ceramics, which can...

This study evaluated the potential of incorporating TiO₂ nanoparticles (NT) into cementitious composites to provide self-cleaning and self-sanitising properties, as well as the partial replacement of natural aggregates with recycled glass (RGA), cera...

In this paper, the effect of nano-particles along with EGR rates was experimentally assessed on the performance and emission of a DI diesel engine fueled by biodiesel and ethanol. For this purpose, three levels of TiO₂ nanoparticles (0, 40, and 60 pp...

Titanium dioxide (TiO₂) is used as a food additive (E171) and can be found in sauces, icings, and chewing gums, as well as in personal care products such as toothpaste and pharmaceutical tablets. Along with the ubiquitous presence of TiO₂ and recent...

The primary goal of this study was to improve the rheological properties of water-based drilling mud using a combination of TiO₂-coated ZnO nanoparticles and activated carbon (AC) from banana peels. The TiO₂/ZnO nanocomposites were prepared using pol...

3D printing (3DP) of cementitious materials shows several advantages compared to conventional construction methods, but it requires specific fresh-state properties. Nanomaterials have been used in cement-based materials to achieve specific fresh and...

Over the years, there has been an increase in the consumption of drugs, particularly antibiotics. Amoxicillin (AMX) is considered one of the most widely used antibiotics, causing resistance in microorganisms in the ecosystem where it is found. Additi...

Sonodynamic therapy is widely used in clinical studies including cancer therapy. The development of sonosensitizers is important for enhancing the generation of reactive oxygen species (ROS) under sonication. Herein, we have developed poly(2-methacry...

The effects of various additives (Y₂O₃, Ga₂O₃, and WO₃) on photocatalytic degradation efficiency under UV light-emitting diodes (LEDs) and the optical properties of TiO₂ Degussa P25 were investigated using ketoprofen and diclofenac, two non-steroidal...

In recent years, there has been growing concern regarding the use of petroleum-based lubricants. This concern has generated interest in readily biodegradable fluids such as vegetable oils. The present work evaluated the rheological and tribological c...

The high content of iron in ilmenite ore poses a great challenge, particularly in the synthesis of titanium-containing products due to high susceptibility of iron (Fe) to corrosion. Direct leaching of ilmenite ore in hydrochloric acid (HCl) encouragi...

To elucidate the role of environmentally friendly oxide additives in a molybdenum disulfide (MoS₂)-based solid lubricant, this study investigates the tribological behavior of a MoS₂–TiO₂ coating deposited via a spray-bonding process and compare...

Phosphate and tellurite glasses can be used in optics, optoelectronics, magneto-optics, and nuclear and medical fields. Two series of phosphate-tellurite glasses, (50-x)ZnO-10Al₂O₃-40P₂O₅-xTeO₂ and (40-x)Li₂O-10Al₂O₃-5TiO₂-45P₂O₅-xTeO₂ (x = 5, 10), w...

Background: Titanium dioxide (TiO₂) is used as a food additive in pastries, sweets, and sauces. It is recognized as safe by food safety authorities, but in recent years, governments and scientists have raised concerns about its genotoxicity. This sys...

Our research aims to determine the optical properties of binary composites based on TiO₂ and SiO₂ oxides combined with additional metal oxides such as CuO and SrO. The inclusion of CuO and SrO together with TiO₂ and SiO₂ nanoparticles is driven by th...

In addition to possessing the desirable properties of being a biodegradable and biocompatible polymer fabricated from renewable resources, poly (lactic acid) (PLA) has useful mechanical and thermal attributes that has enabled it to be one of the most...

The CoCrMo alloys are progressively utilized as biomaterials. This research is dedicated to studying the consequence of (1, 3, and 5) wt% nano-TiO₂ addition on the porosity, microstructure, microhardness, and wear behavior of pre-alloyed CoCrMo powde...

The effect of Mn addition on the structural, dielectric, ferroelectric, and mechanical properties of Bi_0.5Na_0.5TiO₃ (BNT) and 0.94(Bi_0.5Na_0.5TiO₃)–0.06(BaTiO₃) (BNT–BT) ceramics was systematically investigated under identical processing c...

Porous TiO₂ nanofibers (PTFs) and dense TiO₂ nanofibers (DTFs) were prepared using simple electrospinning for application in dye-sensitized solar cells (DSSCs). TiO₂ nanoparticles (TNPs) were prepared using a hydrothermal reaction. The as-prepared PT...

Despite the growing adoption of Ti6Al4V-ELI made by Laser Powder Bed Fusion (LPBF) in tribologically demanding applications, the influence of hybrid nanoparticle additives on its lubrication behavior under starved contact conditions remains insuffici...

This paper reports the improvement of microstructural and hardness properties of 3 mol% yttria-stabilized zirconia (3Y-TZP) ceramics with nano TiO₂ powders (with 0, 0.9, 1.8, and 2.7 wt%) added using a low-temperature microwave-assisted sintering of...

Additive manufacturing [AM; three-dimensional (3D) printing] is reshaping heterogeneous photocatalysis by enabling architected materials and devices that span from centimeter-scale monoliths to micro- and lab-on-chip reactors. Heterogeneous photocata...

The objective of this manuscript is to study the effects of nano-particle addition on the durability and internal deterioration of concrete subject to freezing and thawing cycles (FTCs). Fifteen nm of SiO₂, 30 nm of SiO₂, and 30 nm of TiO₂ were added...