Buscar recursos académicos

Co-doped titanium dioxide materials were successfully synthesized by the sol–gel method. Molybdenum was incorporated into all materials at 0.5 wt %, while the co-dopants, copper and cobalt, were added at 0.2–0.5 wt %...

The behavior of a model for non-volatile electronic memory devices with strongly correlated materials, was investigated. The domain structure assumed in this model is motivated from a rather universal aspect of strongly ...

Highlights First holistic review: It provides the first systematic review encompassing the entire spectrum of laser processing techniques from doping and ablation to crystallization and contact optimization within the co...

Single-atom catalysts (SACs) and dual-atom catalysts (DACs) have emerged as promising materials for activating persulfate (PS) in advanced oxidation processes (AOPs) aimed at degrading organic pollutants. This review sys...

This paper aims to investigate the structural, optical and electrical properties of PEO doped with NiO. The DFT calculations have been performed using Gaussian 09 package of programs. The calculated electronic properties...

ABSTRACT Pyroelectric catalysis has shown promising prospects for sustainable energy generation and medical treatments. However, its potential is limited by intrinsically low pyroelectric coefficients and insufficient in...

Abstract Piezocatalytic hydrogen peroxide (H2O2) production holds promise as a sustainable technology, but its practicability is hindered by inadequate polarization fields, sluggish charge transport, and rapid bulk carri...

Abstract Bone regeneration of oral and maxillofacial defects in situ remains a significant clinical challenge. This study investigates the synergistic effects of phosphorus (P) and zinc (Zn) co-doping in wollastonite bio...

The inadequate corrosion resistance and conductivity of metal bipolar plates are major obstacles to the commercialization of proton exchange membrane water electrolysis (PEMWE). In this work, Nb/NbN/Mo-containing NbN mul...

Abstract Humic acid (HA), a complex organic compound of natural matter, is harmless on its own but can form carcinogenic disinfection byproducts, such as trihalomethanes and haloacetic acids, during water chlorination an...

For Fe-В and Fe-В-С system alloys one of the structure constituent is iron boride Fe<sub>2</sub>B but in the literature there is no information on carbon solubility limit in iron boride Fe2В. The object ...

Results of Hall effect measurements of cadmium telluride crystals, doped by silicon (dopant concentration in the melt was 1018 - 1019 cm-3), allowed to classify the studied samples and the conditions under which probably...

Energy substitution of cations and anions in ZnTe i CdTe by atoms from first and seventh group of the periodic table were calculated using the method of bonding orbitals. Based on the results conclusions about the most l...

Upconverting luminescent nanoparticles are photostable, nonblinking, and low chemically toxic fluorophores that are emerging as promising fluorescent probes at the single molecule level. High luminescence intensity upcon...

To improve the photocatalytic property of titanium dioxide, titanous sulfate as the titanium source, cobalt nitrate hexahydrate as the cobalt source, undoped and Co 2+ -doped titania nanotubes were prepared via coprecipi...

The development of efficient nonstoichiometric redox materials for solar-driven H₂O/CO₂ splitting via two-step thermochemical cycles requires optimization of redox thermodynamics, kinetics, and material stability. Th...

Aim: The aim of this study is to synthesize and characterize the more efficient photocatalyst [zinc oxide nanoparticles (ZnONPs)] via the addition of dopant lanthanum (La) and pineapple peel extract. Pineapple peel as a ...

Abstract Solar interface evaporation technology, as a green and low-carbon water treatment solution, faces the core challenge of how to co-optimize photothermal conversion, water transport, and energy management through ...

Abstract This study presents the optimization and performance analysis of a tandem solar cell structure with the solar cell capacitance simulator in one dimension (SCAPS-1D). The novel monolithic two-terminal (2 T) tand...

A parabolic potential that confines charge carriers along the growth direction of quantum wells semiconductor systems is characterized by a single resonance frequency, associated to intersubband transitions. Motivated by...

The temperature-frequency dependences of the electrical characteristics of Li2Fe2,5-xMexO4 (Ме=La;Y, x=0;0.01;0.03;0.05) spinels synthesized by the «sol-gel» autocombustion technology  were obtained by the method of...

The doping of semiconductors with magnetic impurities gives rise not only to a spin-spin interaction between quasifree carriers and magnetic impurities but also to a local spin-independent disorder potential for the carr...

In the present work, density functional theory (DFT) calculations using cluster and slab models were performed in order to study the adsorption of Al dimer on a monovacancy of graphene. With cluster models, two different...

Structural, electrokinetic and energy state characteristics of the Zr1-xVxNiSn semiconductive solid solution (х=0–0.10) were investigated in the temperature interval 80–400 К. It was shown that doping of the ZrNiSn...