AbstractWe systematically varied dip‑coating conditions—nanoparticle size, lifting speed, precursor concentration, and dipping number—to modify fluorine‑doped tin oxide (FTO) with TiO2 nanoparticles. The resulting electrodeposition‑based electrochromic cells, sandwiched with a gel electrolyte, achie

AbstractCalcined and organo-modified Zn-Al layered double hydroxides (LDHs) were studied as adsorbents and photocatalysts for removal of cationic dye, as namely methylene blue (MB). Zn-Al LDHs with a cationic ratio of 2:4 were obtained by the coprecipitation method. As-synthesized samples were calci

AbstractAlumina nanorods were produced from chromium‑containing alumina sludge, and the role of dopants—Cr, Fe, and Mg—was systematically investigated. The doped Cr constrained the transition of alumina from the metastable θ-Al2O3 phase to the stable α-Al2O3 during calcination, whereas Fe and Mg fa

Abstract We fabricated HfO2/TiO2/HfO2 trilayer resistive RAM (RRAM) on Pt‑ and TiN‑coated Si substrates with Pt top electrodes using atomic layer deposition (ALD). Both symmetric Pt/Pt and asymmetric Pt/TiN devices exhibit classic bipolar resistive switching. In the low‑resistance state (LRS) the co

AbstractFlexible supercapacitors(SCs) made by reduced graphene oxide (rGO)-based aerogel usually suffer from the low energy density, short cycle life and bad flexibility. In this study, a new, synthetic strategy was developed for enhancing the electrochemical performances of rGO aerogel-based superc

AbstractWe study the mode and dispersion properties of graphene-dielectric nonlinear plasmonic waveguide considering the dual nonlinearity of dielectric and graphene. For TM polarization, the mode distribution, the permittivity distribution, and dispersion relation were obtained by numerically solvi

AbstractThis study examines the stability and natural convection heat‑transfer performance of TiO₂‑water nanofluid in square enclosures rotated at –45°, 0°, 45°, and 90°. Stability was optimized by adding 6 wt% dispersant at pH 8, which yielded the lowest transmittance and best dispersion. Experimen

AbstractInfrared (IR) reflectance spectroscopy is applied to study Si-doped multilayer n+/n0/n+-GaN structure grown on GaN buffer with GaN-template/sapphire substrate. Analysis of the investigated structure by photo-etching, SEM, and SIMS methods showed the existence of the additional layer with the

AbstractIn this study we examined how a trace addition of 0.2 wt % SiO₂ influences the early‑stage sintering of 3 mol % yttria‑stabilized zirconia (3Y‑TZP) nanopowders. SiO₂ was incorporated either via co‑precipitation or by mechanical mixing, and its effect on densification kinetics was compared. F

AbstractWe report the synthesis of blue‑luminescent carbon dots (CDs) by a simple hydrothermal route that exhibit an unprecedented excitation‑independent photoluminescence (PL) at low concentrations. Upon dilution, the emission maximum blue‑shifts from 480 nm to 443 nm, while the PL intensity incre

Abstract We have synthesized S,N‑co‑doped graphene quantum dots (S,N‑GQDs) and integrated them with commercial TiO₂ (P25) via a straightforward hydrothermal route. The resulting S,N‑GQD/P25 composites exhibit markedly enhanced photocatalytic hydrogen production under 400–800 nm irradiation, achievin

AbstractSelenium is an important element for human’s health, small size is very helpful for Se nanoparticles to be absorbed by humans body. Here, we present a facile approach to fabrication of small selenium nanoparticles (Nano-Se) as well as nanorods by dissolving sodium selenite (Na2SeO3) in glyce

AbstractTransparent hexagonal NaGdF₄ glass ceramics doped with Er³⁺ or co‑doped with Er³⁺/Tm³⁺ were fabricated by melt‑quenching. 980‑nm excitation shifts the emission of Er³⁺‑doped samples from green to red as the Tm³⁺ concentration increases. The emission spectrum, thermal quenching ratio, fluore

AbstractArtemisinin and its derivatives were considered to exert a broad spectrum of anti-cancer activities, and they induced significant anti-cancer effects in tumor cells. Artemisinin and its derivatives could be absorbed quickly, and they were widely distributed, selectively killing tumor cells.

AbstractUnderstanding how sliding speed governs the tribochemical wear of oxide‑free single‑crystalline silicon is essential for optimizing ultra‑precision surface finishing. We report the speed‑dependent nanowear of freshly etched silicon against SiO2 microspheres in humid air (60 % RH) and deioniz

AbstractSnO2 nanobelts (NBs) have unique structural and functional properties which attract great attention in gas detecting. In this work, Eu doping is adopted to improve the gas sensitivity of pure SnO2, especially to enhance the response to one single gas. The Eu-doped SnO2 NBs, pure-SnO2 NBs, an

Abstract We investigated how electrical conductivity in epoxy‑based composites evolves with varying concentrations of graphite nanoplatelets (GNPs), multi‑wall carbon nanotubes (MWCNTs), and their hybrid combination. The hybrid filler was added at 0.24 vol % while MWCNT loading ranged from 0.03 to 4

Abstract A comprehensive retention model for self‑rectifying TaO/HfOx and TaO/AlOx resistive random‑access memory (RRAM) is presented. In defect‑trapping RRAM, the low‑resistance state (LRS) typically degrades faster than the high‑resistance state (HRS) due to the limiting influence of the internal

Abstract We present a hydrazine‑free method that improves the electro‑optical and structural performance of kesterite light absorbers. By exposing Cu2ZnSn(S,Se)4 (CZTSSe) films to weak hydrogen plasma discharges powered at 13.56 MHz, we achieve more uniform samples, lower strain, and a modified band

AbstractUsing first‑principles density‑functional theory, we examine how a perpendicular electric field modifies the optical and electronic characteristics of monolayer gallium sulfide (GaS). At a critical field of ~5 V nm⁻¹, the dominant dipole transition switches from E‖c to E⊥c, evidencing a reve