Zinc oxide (ZnO) is a versatile and inexpensive semiconductor with wide direct band gap that has applicability in several scientific technological fields. In this work, we report the synthesis of ZnO thin films via two simple low-cost routes, i.e., molecular precursor method (MPM) sol–gel method, which were deposited successfully on microscope glass substrates. The characterized for their structural optical properties. X-ray diffraction (XRD) characterization showed highly c-axis (0 0 2)...

Abstract Highly efficient, visible light induced photocatalytic H 2 production was achieved over a TiO system sensitized by binuclear Ru II bipyridyl (bpy) complex [Ru 4 (BL)](ClO ) (BL=bridging ligand) without Pt loading, which is almost unaffected pH in aqueous solution the wide range from 5.00 to 10.50, although dye molecules can only be loosely attached due absence of terminal carboxyl groups. The photocatalyst shows remarkable long‐term stability and reproducibility evolution even after...

Wastewater treatment requires a lot of granular activated carbon to absorb the dissolved organic components. This article describes low-cost process for making highly active adsorption carbons from biomass, which could be used wastewater treatment. A one-step carbonization and chemical activation with phosphoric acid at 500 °C produced acacia-derived porous carbons. The carbons' moisture, ash, volatile matter, fixed content were determined using proximate analysis. carbon's qualities also by...

Liposomes, sphere-shaped vesicles consisting of one or more phospholipid bilayers, were fi rst described in the mid-60s.Nowadays, they are a very useful reproduction, reagent, and device various scientifi c disciplines, including medicine, chemistry, biochemistry, colloid science, biology, physics, biophysics, mathematics theoretical.After initial discoveries liposomes have made their way to market.Among numerous brilliant new drug delivery systems developed, characterize an advanced...

Herein, a colorimetric sensor (L) based on naphthyl derivative bearing hydrazone receptors was synthesized via one-step reaction process, and its recognition properties towards biologically important anions in an acetonitrile-water mixture were investigated by naked-eye observation UV-Vis 1H NMR spectroscopy. The molar addition of anions, such as TBAF-, TBAOH-, TBACN- TBAAcO-, induced significant red shift the charge transfer band (Δλ = 73 nm, from 337 nm to 410 nm), agreement with visible...

Abstract A dinitrophenyl hydrazone colorimetric anion sensor (receptor 1 ) was synthesized and its recognition properties towards various anions were investigated by naked eye observation spectroscopic methods, namely UV‐vis H NMR titrations in DMSO. The addition of AcO − , F 2 PO 4 to receptor resulted marked red shift the charge‐transfer absorbance band (Δ λ= 91 nm, 407 nm 498 nm) concomitant with a 'naked‐eye' detectable colour change from yellow pink. However, both spectral changes...

A naphthoquinone based colorimetric sensor (<bold>N</bold>) bearing hydrazone receptors in aqueous media was developed and its recognition properties towards biologically important anions DMSO–water mixture (9 : 1) were investigated using spectroscopic methods.

Abstract To study the antibacterial efficacy of metallic Ag nanoparticle/titania (Ag‐NP)/TiO 2 composite thin films against Escherichia coli (ATCC 25922), COMP‐Ag n with various amounts (10 mol% ≤ 80 mol%) are fabricated on a quartz glass substrate at 600 °C using molecular precursor method. The characterized by X‐ray diffraction, photoelectron, scanning electron microscopy, transmission photoluminescence, and UVvis techniques. analysis reveals that composed Ag‐NPs embedded in mixture...

Two azo dyes, (E)-3-(benzo[d]thiazol-2-yldiazenyl)-4-hydroxy-2H-chromen-2-one (3CBD) and (E)-4-hydroxy-3-(quinolin-2-yldiazenyl)-2H-chromen-2-one (3CQD), were designed synthesized using facile methods. The structures validated through FTIR NMR spectroscopy. photophysical property analyses further studied UV-Vis fluorescence spectrophotometers. Consequently, the absorption emission spectra of 3CBD confirmed its selectivity Hg2+ turn-off response to Fe3+. On other hand, analysis 3CQD...

A naphthylthioic-based emissive probe (M) bearing a hydroxyl and amine group was designed synthesized via one-step Schiff base reaction process.

Dinuclear ruthenium complexes [Ru2(bpy)4BL](ClO4)2 (Ru-1), where bpy = 2,2′-bipyridine and BL 2,2′-((1E,1′E)-((E)-diazene-1,2-diyl-bis(2,1-phenylene))-bis(azanylylidene))bis(methanylylidene))diphenol (a bidentate bridging ligand), mononuclear [Ru(bpy)2L](ClO4) (Ru-2), L (E)-2-((phenylimino)methyl)phenol, were synthesized characterized by elemental analysis electrospray ionization mass spectrometry. Their photophysical electrochemical properties also studied. The cytotoxicity of the two in...

Binary II-V semiconductors are highly optically active materials, possess high intrinsic mechanical and chemical durability, have electronic properties ideal for optoelectronic applications. Among them, zinc diphosphide (ZnP2) is a promising earth-abundant absorber material solar energy conversion. We investigated the structural, mechanical, of both tetragonal (α) monoclinic (β) phases ZnP2 using standard, Hubbard-corrected screened hybrid density functional theory methods. Through analysis...

Dye sensitizers are entities designed primarily to serve the function of harvesting light photons in functional wavelength, which is centered on charge transfer mechanisms.

A ditopic multi-colorimetric probe based on the phenylpridyl-thioic moiety (EN) was synthesized via a Schiff base reaction mechanism and characterized using 1 H NMR UV-vis spectroscopy.

A naphthalo-1, 8-bis[(2,4-dinitrophenyl)hydrazone] sensor (K) was synthesized and characterized using UV–vis, 1H NMR fluorescence spectroscopy. The showed strong colorimetric spectral response upon the molar addition of acetate or fluoride ion (AcO− F−) in acetonitrile. complexed state (KF KAcO) system significant reversibility properties, both color spectra, small traces water. Subsequently, to sensing ions, KF KAcO adducts can be used signaling water different organic mediums. In order...