Browsing Theoretical and Applied Physics by Title
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Effects of Stretching on Flexible Organic Electronic Structures
(20111215)This work presents the responses of optical properties and mechanical failure of layers of stretchable organic electronic structures under tension using analytical, simulations, and experimental techniques. The interfacial ...

ElectroMagnetic Duality, Magnetic monopoles and Topological Insulators
(20130513)The Maxwell equations of electrodynamics acquire an additional symmetry if one assumes the existence of hypothetical particlesmagnetic monopoles, carrying a magnetic charge. The additional internal symmetry is the ...

Exergy Analysis of Hybrid Solar Pv Diesel / Biofuel System for Cogeneration (ELECTRCITY and Cold)
(20101220)In this study, Flexy energy analysis taking exergy analysis and heat recovery into account on performance has been performed. The effects of wasting heat on exhaust gas temperature and cooling engine, is analysed in terms ...

Femtosecond laser pulses interacting with atoms
(AUST, 20190916)We theoretically investigated a phenomena arising from the interaction of femtosecond pulsed lasers with an Hydrogen atom. The phenomena of interest to us, is the High or der Harmonic Generation (HHG) of soft and hardXray ...

Femtosecond Laser Surface Texturing of Materials for Various Applications
(20130513)Femtosecond lasers represent an electromagnetic field with field intensities approaching and even exceeding atomic binding field. When irradiated on a target, the material responses change from linear to nonlinear within ...

Finite Pulse Ratchet Effect of Cold Atoms
(20210323)The thesis presents the modelling and simulation of the rachet effect created by a spatio temporal asymmetry potential. The potential is a coupled spatial asymmetry sin wave and a rectangular pulse train. The effective ...

First Principle Study: Absorption of Molecular Hydrogen Sulphide on Gold Clusters
(20091113)We present theoretical results of the study of H 2 S adsorption on gold cluster Au n (n = 1, 5) using density functional theory with PerdewBurkeErnzerhof (PBE) exchangecorrelation energy functional. Minimum energy ...


Fundamentals of Laser Dynamics
(20130513)The thesis presents the modeling and simulation of three types of lasers namely; Semicondoctor laser, Solid state laser and CO 2 laser. The rate equations were derived and simulated to examine the dynamic behaviour of the ...

GrapheneHexagonal Boron Nitride Work Function Response to Uniform Planar Deformations: An ab initio DFT Study
(20210423)A twodimensional hybrid material with graphene and hexagonal boron (hBN) domain is considered as viable material for future generations of flexible electronic devices due to the tunable band gap, excellent mechanical and ...

Influence of Molecular Polarizability on the Active Layer of Organic Photovoltaic Cells: A case study of Poly(3hexylthiophene)
(20130513)The complexity of the microstructure of the active layer in organic photo voltaics (OPVs) poses a unique challenge in improving the efficiency of OPV devices. Molecular dynamics (MD) simulation provides a direct route ...

Limiting Efficiency of Perovskite Solar Cells
(20141215)The power conversion efficiency of perovskite solar cells has risen from as low as 3.8% to as high as 19.3% in just five years with yet a projected value of over 20% in the next few years by experimentalists. Such a ...

Modeling of the Origin and Interactions of Multisoliton Solutions of the (2+4)KdV Equation
(AUST, 20190605)Most of the relevant research work has addressed the properties of internal solitons in a greatly simplified environment, usually in the framework of different versions of the two layer fluid. The simplest equation of this ...

Modelling of Contact and Adhesion at Interfaces in Bulk Heterojunction Solar Cells
(20111215)The study of the structures and properties of organic materials for organic photovoltaic (OPV) applications and their interrelationships is a rapidly growing field of research, involving interdisciplinary efforts at the ...

Molecular Dynamics Simulation of Transport of Encapsulated Drug Through a Lipid Bilayer
(20141215)Most anticancer drugs are polar, cytotoxic and have complicated structures which cause difficulty in their penetration through the cell membrane. This presents a serious problem in chemotherapy. Is it possible to use carbon ...

NoiseEnhanced Directed Transport of Cold Atoms
(20210314)The possibility of enhancing directed transport for a driven quantum particle in the presence of noise is investigated. Specifically, we deal with cold atoms trapped in an asymmetric optical lattice potential (ratchet ...

Nonlinear Effect inflow in Porous Duct
(20130513)In general, it is assumed in some non viscous flows that the flow velocity is constant at a crosssection. In this thesis, If we impose more realistic boundary conditions by, for example, introducing viscosity,and suction ...

Optical Properties of Metal Clusters from First Principles Calculations
(20160617)Ground State structures of neutral Copper clusters Cu N =3−6 were generated and optimised within the framework of the Density Functional Theory (DFT) using Generalised Gradient Approximation (GGA) and ultrasoft pseudopotential. ...

Performance Optimization of Tin Halide Perovskite Solar Cells Via Numerical Simulation
(20141215)Organicinorganic hybrid perovskite solar cells have attracted great attention in the photovoltaic research community in recent years due to its ease of processing, low cost of production, superb lightharvesting ...

Pulsed Lasers in Lidar Application: Models for Optimizing Wind Turbine Performance
(20190622)Since the appearance of the first wind turbines at the end of the nineteenth century, wind energy has been considered to be a renewable energy source for not just developed countries but also developing countries as well. ...