In this article, with a view to improving the efficiency of photovoltaic cells, and given the promising yields of silicon heterojunction photovoltaic cells, we have, using a silicon heterojunction cell (a-Si:H/c-Si) doped with (n+p) , studied the contribution of excitons to the i...
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Research Article10.9734/psij/2024/v28i4841
Purpose: This aims to investigate heat and mass transfer characteristics of hybrid Nano fluid slip flow over a permeable sheet with radiative heat flux, variable thermal conductivity and heat source. Methodology: Formulated Mathematical equations are transformed into self-similar...
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Research Article10.9734/psij/2024/v28i4840
This paper discusses the dependence of the kinematic and intrinsic parameters of a silicon heterojunction solar cell, highlighting mobility phenomena. First, a three-dimensional schematic of a HIT (Heterojunctions with Intrinsic Thin layer) cell is established to highlight mobili...
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Research Article10.9734/psij/2024/v28i4839
Energy can be from renewable and non-renewable sources. Solar energy is a clean renewable energy derived from the sun in the form of light and heat. Although, only a small fraction reaches the earth. Perovskite is a generic name referring to materials that exhibits the same cryst...
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Research Article10.9734/psij/2024/v28i4837
Noise levels at Ladipo market in Mushin Local Government Area and Yaba market in Yaba Local Government Area of Lagos State were measured using a sound level meter (DSM Model 325, 32 dB-130 dB). Readings were taken for five consecutive days (Monday–Friday) at three different locat...
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Research Article10.9734/psij/2024/v28i4838
We study the decomposition of interquark potential and quantitatively compare the utility of V(r) \(\approx\) Vabel (r) + Voffdiag (r) and V(r) \(\approx\) Vmon(r) + Vmod(r) by calculating respective average relative deviation. We also study the slope of Vabel(r) and compare it w...
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Research Article10.9734/psij/2024/v28i4836
In the present work, we report the results of radioactivity measurements carried out in soils from the COMINAK and SOMAIR mining areas, using normal mode gamma-ray spectroscopy (NMGS) and thermal neutron activation analysis (TNAA). Radio activities were determined for two series...
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Research Article10.9734/psij/2024/v28i4835
Luísa Vargas Cassol, Nataly Nogueira Favarin, Felipe de Bail, Edmeia Lopes Ramai Buss, Laura Pizarro Trojahn Nogueira, Jéssica Fetzer da Costa Rosa & Thiago Victorino Claus·Physical Science International Journal·2024
Aims: This experimental study investigated the effect of using an anti-scatter grid in computerized knee radiography (CR) on image quality (IQ) and patient surface radiation dose (Equivalent Surface Air Kerma – Ka,e), measured with an ionization chamber. Place and Duration of Stu...
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Research Article10.9734/psij/2024/v28i4834
Given the increased human activities and population growth in Ogwashi-Uku, there is a possibility of potential contamination of the water in the dam with elevated levels of alpha and beta radiation. Therefore, this study aimed to assess the radiological health risks associated wi...
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Research Article10.9734/psij/2024/v28i4833
This research investigated the effects of Variable Thermal Conductivity on MHD fluid on a Rotating Vertical Cone in the Presence of Darcy Forchheimer, Soret and Dufour effects through a porous medium. The system of nonlinear differential equations were transformed into first orde...
Open access
Research Article10.9734/psij/2024/v28i4832