Solar-driven interface evaporation recently emerges as one of the most promising methods for seawater desalination and wastewater purification, mainly due to its low energy consumption. However, there still exist special issues in present material system based on conventional noble metals or two-dimensional (2D) nanomaterials etc., such high costs, light-to-heat conversion efficiencies, unideal channels water transport. Herein, a composite photothermal membrane Ti3C2Tx MXene...

The synthesis of nano-TiO2 materials have attracted intense interest due to their importance in a wide area applications. In this study, we report facile method synthesize mixed-phase TiO2 nanocomposites by using one-step approach under mild solvothermal conditions. Differently from previous reports, not only yields rutile/brookite/anatase with high photocatalytic activities, but also can obtain highly oriented single-crystal rutile nanorod arrays selectively deposited on FTO. These products...

Virus transmission can occur either by a cell-free mode through the extracellular space or cell-to-cell involving direct contact. The factors that determine whether virus spreads pathway are poorly understood. Here, we assessed relative contribution of and to spreading human immunodeficiency (HIV). We demonstrate HIV spread if all steps viral replication cycle efficiently supported in highly permissive cells. However, when path was systematically hindered at various steps, became...

The development of sensitive and stable electrochemical sensors toward dopamine is highly desirable. Herein, a novel voltammetric sensor was developed for the detection using shuttle-like α-Fe2O3 nanoparticles/electro-reduced graphene oxide nanocomposites (S-Fe2O3/ErGO). surface morphology, microstructure, chemical composition S-Fe2O3/ErGO were investigated by SEM, XRD Raman spectra, respectively. behavior Fe2O3/ErGO nanocomposite modified glass carbon electrode (S-Fe2O3/ErGO/GCE) studied...

Shuttle-like α-Fe₂O₃nanoparticles and nitrogen-doped graphene nanocomposites as a low cost efficient electrocatalyst for detecting dopamine uric acid.

Formamidinium lead triiodide (FAPbI3) perovskite quantum dot has outstanding durability, reasonable carrier lifetime, and long diffusion length for a new generation of highly efficient solar cells. However, ligand engineering is dilemma because the ionized dynamic characteristics dots. To circumvent this issue, herein, we employed mild solution-phase ligand-exchange approach through adding short-chain amino acids that contain carboxyl groups to modify dots passivate their surface defects...

Anodic growth of TiO(2) nanotubes has attracted intensive interests recently. However, the as-prepared are usually amorphous and they generally need to be crystallized by sintering above 450 °C. Here, we report on a facile method crystallize anodized at low temperature. We find that, simply immersing them into hot water, can transformed from crystalline state temperature as 92 Results indicate that water treatment might versatile strategy Field-emission scanning electron microscopy,...

In this paper the metal-assisted electrochemical etching of silicon is introduced. By measurement and sequent simulation, it revealed that potential valence band maximum at silicon/metal interface more negative than silicon/electrolyte interface. Accordingly, holes injected from back contact are driven preferentially to Consequently, below metal electrochemically etched much faster a naked surface without coverage. Metals such as Ag Cu have been utilized catalyze etching. Feature sizes small...

HIV-1 cell-to-cell transmission allows for 2–3 orders of magnitude more efficient viral spread than cell-free dissemination. The high local multiplicity infection (MOI) observed at cell-cell contact sites may lower the efficacy antiretroviral therapies (ART). Here we test commonly used inhibitors against and transmission. We demonstrate that, while some nucleoside-analog reverse transcriptase (NRTI) are less effective transmission, most non-nucleoside-analog (NNRTI), entry protease remain...

Chemical doping has been widely used to finely tune the electrical properties of organic hole-transporting materials (HTMs) that find widespread applications in perovskite solar cells (PSCs). Here, shed light on precise role chemical p-doping affecting charge-transport HTMs and photovoltaic performance PSCs, two kinds representative dopants, including lithium bis(trifluoromethane)sulfonimide (LiTFSI) Co(III) complexes...

Abstract Carbon nanodots (C-dots) with ultrasmall size possessing large surface-to-volume ratio are expected to improve their performance in sensing and catalytic applications. Here, we present a simple strategy synthesis C-dots using double-pulse femtosecond laser ablation solution. The of reaches minimum value ∼1 nm when the delay between pulses was approaching electron-ion relaxation time. In this case, mean sizes even smaller than that obtained single-pulse same fluence due suppression...

A good method of synthesizing Ti3C2Tx (MXene) is critical for ensuring its success in practical applications, e.g., electromagnetic interference shielding, electrochemical energy storage, catalysis, sensors, and biomedicine. The main concerns focus on the moderation approach, yield, product quality. Herein, a modified organic solvent-assisted intercalation collection, was developed to prepare flakes. new approach simultaneously solves all concerns, featuring low requirement facility...

The defect control of polycrystalline perovskite films is essential for achieving an efficient and stable solar cell (PSC). However, existing methods reducing defects suffer from their complex processes, low durability, limited effects by using molecular materials in terms passivation mechanisms. Herein, a hybrid film composed SnO2 nanoparticles/Ti3C2Tx MXene nanoflakes used as the electron transport layer (ETL) planar regular-structure PSC. results indicate that changing Ti3C2Tx/SnO2 ratios...

The topological organization of the cerebral cortex provides hierarchical axes, namely gradients, which reveal systematic variations brain structure and function. However, macroscopic morphology how it constrains cortical function along organizing axes remains unclear. We map gradient morphometric similarity (MS) connectome, combining multiple features conceptualized as a "fingerprint" an individual's brain. principal MS is anchored by motor sensory cortices at two extreme ends, are reliable...

Abstract A significant hydration and protonic conduction in La 2 NiO 4+ δ ‐based Ruddlesden–Popper (RP) oxides will enable their use as positrode materials proton ceramic electrochemical cells (PCECs). Unlike perovskite electrolytes materials, where protons reside jump on regular oxide ions, RP such may contain oxygen interstitials offer the possibility that locate migrate by help of these, suggesting a mechanism which positrodes operate triple conduction. Here, theoretical calculations...

The top of silicon nanowires (SiNWs) arrays was coated with reduced graphene oxide (rGO) by the facile spin-coating method. resulting SiNWs/rGO composite exhibits enhanced photoelectrochemical properties, short-circuit photocurrent density more than 4 times higher that pristine SiNWs and 600 planar Si/rGO composite. trapping recombination photogenerated carriers at surface state were after application rGO. results electrochemical impedance spectroscopy measurements suggest reduction as well...

Since its discovery in 2011, the Ti 3 C 2 T x MXene has attracted more and attentions diverse fields such as photocatalysis, energy storage, electromagnetic shielding interference etc., due to unique layered structure, high specific surface area, conductivity, catalytic activity easy functionalization. In recent years, attributed excellent light-to-heat conversion property, good selective adsorption effective reduction feature for heavy metal ions, appealed new water treatment. This review...

As a sustainable and widely available source of clean energy, solar energy has great potential for solving the aforementioned issues. Nanofluids (NFs)‐based direct absorption collectors can convert into thermal which been applied in energy‐thermal conversion wastewater purification. However, low photothermal modulation efficiency NFs limits industrialization collectors. Herein, Fe 3 O 4 @Au composite structure is constructed using coprecipitation method. The effect different parameters, such...