We report the effect of incorporating graphene oxide in ZnS and developed a ZnS-RGO hybrid film with negative temperature coefficient (NTC) for thermistor application towards sensing this study. The light properties films were also investigated by exposing to sources from mercury tungsten lamp recording photo resistance. As composition increased, sharper diffraction peaks observed thus confirming improved crystallinity. crystallite size decreased 4.02 1.87 nm while lattice strain increased...

Here in, we report electrodeposited Mn3O4 thin film doped with various level of Zn dopant (0≤x≤5.0,%), on a layer indium tin oxide (ITO) glass substrate. The deposition route involves the use two-electrode electrochemical cell system comprising graphite and substrate as counter working electrodes, respectively. Some surface properties such those morphological, crystal structure, optical, electrical were studied to evaluate films' potentials in energy conversion storage devices....

Graphene oxide (GO) was chemically synthesized from natural flake graphite (NFG) using the simplified Hummers method. The synthesis carried out two routes. first route involved stirring one pot mixture continuously for three days at ambient temperature while second another six also temperature. GOs were characterized Fourier Transform Infrared Spectroscopy (FTIR), Energy Dispersive X-Ray (EDX), Field Emission Scanning Electron Microscopy (FE-SEM), Raman and UV-Visible Spectrometry. FTIR...

This paper reported the thermal and light sensing properties of graphene oxide (GO) reduced (RGO) films obtained by spin coating on soda lime glass. GO showed a higher response 9.0 compared to RGO which had maximum 2.2 at 623 K. The conductivity increased with temperature although typified better conductivity. For GO, negative coefficient resistance (NTC) 0.0032153 /K was is than values in literatures while NTC value 0.00201/K. photo sensing, peak corresponds an energy band gap 3.5 eV...

This study assessed the low-density polyethylene (LDPE) film degradation potential of microorganisms isolated from oil-contaminated soil and also analyzed morphological chemical composition LDPE films after biodegradation period. The bacteria strains were standardized used to degrade pretreated in mineral salt media. Thereafter, they incubated for 78 days at 37°C an incubator shaker, degraded quantitatively qualitatively (using scanning electron microscope (SEM) images energy dispersal x-ray...

Herein, we report the comparative gas sensing performance (at room temperature) of reduced graphene oxide sensors obtained by reducing using extracts pumpkin leaf, neem leaf and methionine. An interdigitated pattern was designed on soda-lime glass a stamp method dispersed solution rGO spin coated pattern. The electrical response investigated (using simple in-house measurement set up) measuring change in resistance with varying concentration exposure to liquefied petroleum (LPG). From...

Abstract In this work, the effect of hydrothermal and chemical treatment on optical electrical properties reduced graphene oxide (RGO) was investigated. Reduced synthesized by both route using a locally fabricated Teflon lined autoclave method hydrazine monohydrate. The thin film obtained depositing RGO Indium Tin Oxide (ITO) glass via spray pyrolysis technique. hydrothermal, Raman spectroscopy analysis showed greater restoration conjugated networks in sheet. transmittance decreased after...

This research studied the photoconductivity of zinc sulfide thin film using multiple light sources and investigated thermal sensing performance. Zinc with high degree sulfur vacancies was spin coated on glass illuminated from mercury, tungsten sodium lamp. The photo resistance value between 250 750 nm obtained. High strain obtained for particles shows that is defect enriched while a steady increase in photoresistance UV to visible spectrum observed all three lamps. However, lamp showed lower...

In this work, a modified synthesis method was deployed to obtain nanocrystalline zinc sulfide from acetate. By utilizing the hydrothermal and sol gel method, influence of: reaction time, solvent temperature control were used tune properties of sulfide. Our results showed that ZnS(B) (which obtained by in water + hydrothermal) typified formation increased sulfur vacancies while an increase time resulted decreased vacancies. The introduction chemical defects ZnS(A) methanol KOH) lower...

<title>Abstract</title> This study assessed the low-density polythene (LDPE) film degradation potential of microorganisms isolated from oil contaminated soil, and characterizing LDPE films after period by analyzing morphological chemical composition. The bacteria strains petroleum soils were used as bio-degraders for analysis isolates with great activity identified via 16S RNA gene amplification technique. growth rates bacterial their utilization in medium monitored 78 days, using UV...

This research reported the effect of incorporating graphene oxide in hybrid ZnO and investigated thermistor applications. ZnO-RGO were synthesized by hydrothermal method spin coated on glass to obtain thin film. The SEM micrograph showed mini nanorods decorated formed RGO sheet. adherence improved as loading mass GO increased composite. had thermal sensing response 3.1 respectively at 573K electrical conductivity temperature increased. sensors logged a negative coefficient (NTC) value...

<title>Abstract</title> This study is intended at depicting the aquifer plausible zones in Modomo/Kajola, Ile-Ife using Dar Zarrouk parameters. The area situated amid latitudes 830,00–830,500 mN and longitudes 663,500–664,000 mE, overlying pegmatite granite gneiss basement complex terrain. Twenty-eight (28) Schlumberger-array vertical electric soundings (VES) were carried out within with help of Terrameter SAS 300C. VES interpretation result reveals three to five geo-electric layers:...

Abstract In this work, a modified synthesis method was deployed to obtain nanocrystalline zinc sulfide from acetate. By utilizing the hydrothermal and sol gel method, influence of; reaction time, solvent temperature control used tune properties of sulfide. Our results showed that ZnS obtained by in water + (ZnS (A)) typified formation increased sulfur vacancies while an increase time resulted decreased vacancies. The introduction chemical defects methanol KOH lower grain size. We observed...

Abstract In this work, a modified synthesis method was deployed to obtain nanocrystalline zinc sulfide from acetate. By utilizing the hydrothermal and sol gel method, influence of: reaction time, solvent temperature control were used tune properties of sulfide. Our results showed that ZnS(B) (which obtained by in water + hydrothermal) typified formation increased sulfur vacancies while an increase time resulted decreased vacancies. The introduction chemical defects ZnS(A) methanol KOH) lower...