Perylene (C20H12) is an important member of the polycyclic aromatic hydrocarbons (PAHs) that has a wide applications such as organic photovoltaic cells, field effect transistors and biosensors. Optimized bond lengths and bond angles, HOMO-LUMO energy gap, global chemical indices,...
The research focused on statistical evaluation of the impact strength on mild steel cladding weld metal geometry. The weld specimen of length 60 mm by width 40 mm and thickness of 10 mm was used for the experiment. A butt joint method was prepared and tungsten inert gas welding p...
The rapid growth in industrialization and urbanization as much as contributing to India’s growth story is also causing enormous negative environmental externalities. The sustainability of the industrial economy can be ensured only if the issues of resource constraints, energy ine...
Carbon nanotubes have demonstrated their versatility in the manufacture of various devices such as molecular probes, pipes, cables, fibers and springs. Recently, they have been used in cement composites to improve their physical and mechanical properties, but there are still many...
Open access
Research Article10.9734/jmsrr/2019/v2i255
Zinc oxide has justifiably been attracting attention in several fields, and the relatively new field of tribology is not left out. Aside from its already extensively researched and documented applications in materials science, semiconductor and electronics industry, zinc oxide na...
Open access
Research Article10.9734/jmsrr/2019/v2i254
This paper discusses the issues and challenges of instructional resources for teaching and learning science in Nigeria secondary schools. The concept of instructional resources was treated as well as the relevance of availability and proper usage of instructional resources. The i...
Open access
Research Article10.9734/jmsrr/2019/v2i253
In this study, Cu - doped ZnO thin films were prepared at different annealing temperatures from Copper acetate precursor by sol-gel spin coating method for Photocatalytic Applications. The films were characterized by X-ray diffractometer (XRD), scanning electron microscopy (SEM)...
Open access
Research Article10.9734/jmsrr/2019/v2i252
Previously, we reported an investigation on Delonix regia dye extract as a natural sensitizer for TiO2/DSC assembled with platinum counter electrode and low power conversion efficiency was recorded. This necessitated the current investigation on Delonix regia dye extract as a nat...
Open access
Research Article10.9734/jmsrr/2019/v2i251
Palm kernel shell and coconut shell have been combined in equal proportion to produce activated carbons for supercapacitor electrode and water filter. Microwave-assisted activation technique was employed for the production at a much shorter time (ranging from 5-10 min) and reduce...
Open access
Research Article10.9734/jmsrr/2019/v2i260
By applying the exact Stirling formula and the exact function , the occupation number of particles was calculated based on the statistics of Boltzmann distribution for a finite number of particles n. The exact analytical expression of occupation number of particles (ni) is found...
Open access
Research Article10.9734/jmsrr/2019/v2i259
This review describes some nano-technological applications concerning the corrosion incidence and protection of steel pipelines mainly used in the petroleum sector. These techniques play a major role in producing anti-corrosion coatings which enhances metal durability with high a...
Open access
Research Article10.9734/jmsrr/2019/v2i257
In this paper, a ferroelectric structure consisting of barium stannate titanate piezoelectric ceramic is used for mathematical modeling. The study of the dynamics of the structure requires the poling process that makes the ceramic active. This may be explained by the time-depende...
Open access
Research Article10.9734/jmsrr/2019/v2i258
Superconductors, perhaps a mirage in the eyes of most chemists for many years, was pushed to the forefront of chemical interest with the synthesis and characterization of the first ‘’high - temperature’’ superconductor (Sr-doped La2CuO4 or 2-1-4) in 1986. The first superconductor...
Open access
Research Article10.9734/jmsrr/2019/v2i22
This study seeks to obtain data about electric and optical properties of ZnSe/SiO2 composite films for Photovoltaic Applications, for this purpose ZnSe nanoparticles established in [Si O2] thin films were prepared by sol-gel method using zinc acetate dihydrate [Zn (CH3 COO)2 .2H2...
Open access
Research Article10.9734/jmsrr/2019/v2i256
ZnO transparent conductive films were deposited on glass substrates at C by chemical Spray Pyrolysis Technique (CSPT). Also, the study investigated the impact of annealing of zinc oxide pieces with the rise in thickness. The structural and optical characteristics of the deposited...
Open access
Research Article10.9734/jmsrr/2019/v2i25