An enduring impediment in the photocatalysis domain is rapid recombination of photoinduced charge carriers. One viable strategy to realize efficient separation carriers design core/shell nanostructures. In this context, our work explains substantial photocarriers and enhanced light harvesting TiO2 nanostructures following realization geometry with CuS. We demonstrate TiO2/CuS nanostructures, utilizing a surface-functionalizing agent, 3-mercaptopropionic acid, offering commendable visible...

Band gap engineering offers tunable optical and electronic properties of semiconductors in the development efficient photovoltaic cells photocatalysts. Our study demonstrates band ZnO nanorods to develop a highly visible-light photocatalyst. We engineered by introducing core/shell geometry with Ag2S sensitizer as shell. Introduction evinces great promise for expanding light-harvesting range substantial suppression charge carrier recombination, which are supreme importance realm...

A graphitic carbon nitride (g-C3 N4 ) polymer matrix was embedded with AgNi alloy nanoparticles using a simple and direct in situ solid-state heat treatment method to develop novel AgNi/g-C3 photocatalyst. The characterization confirms that the particles are homogeneously distributed throughout g-C3 matrix. catalyst shows excellent photoelectrochemical activity for water splitting maximum photocurrent density of 1.2 mA cm-2 , which is highest reported doped . Furthermore, detailed...

Solar light harvesting and conversion to useful energy are the most important tasks for overcoming world crisis. The design of advanced materials solar requires focused research obtain efficient photocatalytic systems. Photogenerated charge carrier separation is a crucial prerequisite in applications such as photo‐electrochemical water splitting, photovoltaics, dye degradation. Interfacial charge‐transfer (IFCT) plays significant role electron–hole considering barriers levels at...

Abstract For increasing demands of clean and sustainable energy, two‐dimensional transition‐metal dichalcogenides (2D‐TMDs) have attracted great attention. Electrocatalysis, photoelectrochemical water splitting photovoltaic activities are considered a suitable route for fulfilling this demand. Here, we used hydrothermally synthesized vanadium sulfide (VS 4 ) molybdenum disulfide (MoS 2 composite heterostructures photocatalytic based renewable energy production. The catalytic activity VS...

Present investigation covers the dielectric and electro-optical study of nematic liquid crystal (NLC) 1823 A dispersed with ferromagnetic nanoparticles (FNPs) Fe3O4. Three concentrations (NPs) in NLC matrix namely 0.1 wt/wt%, 0.3 0.5 wt/wt% are prepared perceptible changes various properties compared pure NLC. Variation permittivity (εꓕ) variation frequency temperature is studied. Dielectric just found to be decreased as we increased concentration NPs, which shows that applied electric field...

We report the temperature-dependent electrical transport and photoconductivity in carbon nanoparticle films. The is dominated by thermally activated conduction at higher temperatures range of ∼350–285 K, whereas lower <280 mostly due to hopping mechanism. A film an n-type semiconductor with a carrier concentration ∼1016 cm−3 prepared pulsed laser ablation scanning technique. shows persistent behavior that lasts for several hundreds seconds on sub-bandgap excitations. broad green...

Mn 2+ –BiVO 4 photoanodes (Mn = 0.2–1%) to improve the charge-carrier separation and electrical conductivity of BiVO are reported.

We report a metal-insulator like transition in single crystalline 3D topological insulator Bi2Te3 at temperature of 230K presence an external magnetic field applied normal to the surface. This becomes more prominent larger strength with residual resistance value increasing linearly field. At low temperature, dependence magnetoresistance shows from logarithmic linear behavior and onset for this decreases temperature. The indicates weak anti-localization surface Dirac electrons while high...

To develop a better understanding of the physical properties and microstructures termite hill soils, we have carried out studies on soil samples collected from two locations: near Dehradun, Utta-rakhand Hauz Khas, New Delhi. Their ele-mental composition microstructure were studied using different instrumentation techniques, such as powder X-ray diffraction, field emission scanning electron. Microscopy, transmission electron microscope (TEM) energy-dispersive analysis (EDAX). α-Quartz (SiO 2...

Bismuth telluride is a low energy bulk band-gap topological system with conducting surface states. Besides its very good thermoelectric properties, it also makes candidate for broadband photodetectors. Here, we report temperature-dependent photo-Seebeck effect in single crystalline bismuth telluride. On light illumination, an electrically biased sample shows distinguishable contributions the measured current due to both Seebeck and normal photo-generated carriers within narrow layer of...