Browsing Department of Physics by Issue Date

Now showing items 1-20 of 301

Synthesis and Characterization of Semiconductor Based Nanocomposites for Thin Film Photovoltaics

Aslam, Samia (2019-03-01)

In this work, novel semiconductor nanocomposites have been synthesized by wet chemical methods for semiconductor nanocrystal based thin film solar cells. These nanocomposites have been employed for three basic components ...
Graphene Oxide and Copper Ferrite GO/Cu〖Fe〗_2 0_4Nano-composites as Adsorbent for Fluoride Removal from Aqueous Solution

Rana, Saba (Department of Physics, COMSATS University Islamabad, Lahore campus, 2019-11-19)

Water, the universal solvent, is a prerequisite for the existence of all forms of life on the planet earth .60% of the fluid running in the human body is water. Any irregularity in the concentration of minerals can lead ...
Electrochemical and Thermal Characterization of Doped Ceria Electrolyte with Lanthanum and Zirconium

Rafique, Asia (Department of Physics, COMSATS University Islamabad, Lahore Campus, 2019-12-19)

There is an urgent need to explore affordable and renewable energy resources because of the decline in reserves of fossil fuels. Biomass is an abundantly available resource in nature and can be used to generate energy ...
Efficient Electrochemical Energy Conversion of Carbon from Coal and Waste

Ali, Amjad (Department of Physics, COMSATS University Islamabad, Lahore campus, 2019-12-19)

Direct carbon fuel cell directly converts the chemical energy stored in the fuel (carbon) to electricity. It is a high-temperature fuel cell having practical efficiency of 80%, normally operates at or above 700 oC with ...
Synthesis and Characterization of Nano Composites for Lithium Ion Batteries

Ul Haq, Najam (Department of Physics, COMSATS University Islamabad, Lahore campus, 2019-12-19)

Energy crisis is the biggest issue of the modern era. In spite of various renewable energy sources available in abundant quantity we are incapable of utilizing the sources due to low efficiency of already available energy ...
Preparation of GO-ZnO Nanocomposite and its Antibacterial Activity

IRUM AMIN, HINA (Department of Physics, COMSATS University Islamabad, Lahore campus, 2019-12-19)

The progression of nanomaterials demonstrated prevailing apparatuses for nanotechnological sales in various kinds of application like electronics, drug deliver carriers, biosensors and nanomedicine. By and large, nanoparticles ...
A HYBRID MAC LAYER PROTOCOL FOR HETEROGENEOUS WIRELESS BODY AREA NETWORKS

Bushra, Hina (Department of Physics, COMSATS University Islamabad, Lahore campus, 2019-12-19)

The rapid advancements in wireless communication technologies and micro-electronics systems have fostered the development of small and intelligent micro-components that incorporate sensing devices and wireless communications ...
Study of Doped Sb2S3 Sensitizer for Third Generation Solar Cell

Saqib, Muhammad (Department of Physics, COMSATS University Islamabad, Lahore campus, 2019-12-19)

The dye-sensitized solar cell has been investigated as the most promising candidate for photovoltaic applications due to its unique properties, low cost and suitable power conversion for commercial purposes. In this ...
Optical Investigation of N-acetyl-L Capped Core- Shell Sb2Se3/ZnS Nanowires for Visible LED A pplication

Ejaz Dildar, Muhammad (Department of Physics, COMSATS University Islamabad, Lahore campus, 2019-12-19)

Light emitting diodes have always gained high interest to their potential for high efficiency lighting. Fabrication of Sb2Se3/ZnS coreshell nanowire LED is reported for first time. In this report Sb2Se3/ZnS core-shell ...
Preparation and Characterization of Solid-State Electrolyte Material for Energy Storage Applications

Shahzad, Muhammad (Department of Physics, COMSATS University Islamabad, Lahore campus, 2019-12-27)

Seven Boro-phosphate samples with composition (70 - x) B2O3 – 30 Na2O3 – xP2O5 where x=0.5%, 1%, 1.5%, 2% and 3, 5, 10 mole% and 0.02 g Er2O3 in extra were prepared using melt quenching method. From the results of X-ray ...
Off-Axis Spectral Distribution Variation of Diagnostic X-Ray Tube for Different Anode Angles

HUSSAIN, KHALID (Department of Physics, COMSATS University Islamabad, Lahore campus, 2019-12-27)

The x-ray tubes have a function to generate x-ray photons when electric energy is supplied. The geometrical design of the x-ray tube has a property to determine the fundamental characteristics of the x-ray beam, such as ...
Formulation and Mechanical Properties of Cellulose/ Silica Based Dental Composites

Sabir, Muhammad (Department of Physics, COMSATS University Islamabad, Lahore campus, 2019-12-27)

The dental composites are the materials that can be used as substitute of the teeth in the form of restorative material or adhesives. Dental composites normally contain acrylic resins, fillers and photoinitiator. The acrylic ...
Development of Latent Fingerprints using Nanoparticles

NAEEM, IQRA (Department of Physics, COMSATS University Islamabad, Lahore campus, 2019-12-27)

In present work, latent fingerprints are developed using metal oxide nanoparticles. Metal Oxide (TiO2 & ZnO) nanoparticles synthesized by hydrothermal method and sol-gel method. XRD analysis was used to verify the size of ...
Facile Synthesis of Nanostructured Bimetallic Mixed Oxides and their Electrochemical Characterization as Energy Storages Devices

Mudassir Hassan, Muhammad (Department of Physics, COMSATS University Islamabad, Lahore campus, 2019-12-27)

Global warming is the major issue of our modern world. Thus, scientists and researchers are in search of more efficient and more environmental friendly energy materials. With the increasing development in the field of ...
Synthesis of Al-substituted BiFeO3 powders and investigation of their properties

ALI, RIZWAN (Department of Physics, COMSATS University Islamabad, Lahore campus, 2019-12-27)

Multiferroics with chemical formula BiAlxFe1-xO3 (x=0, 0.1, 0.2 and 0.3) and substituted by Al are synthesized using sol-gel auto-combustion method. These materials are sintered at temperature 500oC for 5 hours. In the ...
Fabrication and Characterization of Flexible Tin Based Paper Electrode for Energy Storage Application

Ali, Rizwan (Department of Physics, COMSATS University Islamabad, Lahore campus, 2019-12-27)

SnS2nanoparticleshave been used in flexible and bendable devices with LC fibers in sodium ion batteries. Sodium storage anode materials now explored mainly Tin and its alloys e.g. (Sn, Na15Sn4). Tin is one of them which ...
Polarization and Electrochemical Studies for Ethanol Liquid Fuel Cell

Sarfraz, Amina (Department of Physics, COMSATS University Islamabad, Lahore campus, 2019-12-27)

This thesis is dedicated to the synthesis of silicon carbide and silicon carbide based composite as an effective anode material in ethanol liquid fuel cell. As fuel cell is an efficient device for its clean energy ...
Development of Nickel Based Flexible Composite Electrode for Supercapacitor Application

Masih, Imran (Department of Physics, COMSATS University Islamabad, Lahore campus, 2019-12-27)

Nickel based composite plays an tremendous role in energy storage application in which include batteries and supercapacitors. Nickel hydroxide electrodes are used in alkine batteries as Ni-Cd, Ni-MH and Ni-Zn. Composites ...
Synthesize and Characterization of Rare Earth Doped Ferrites

Ali Khan, Ahad (Department of Physics, COMSATS University Islamabad, Lahore campus, 2019-12-27)

In this study, Yttrium doped Copper ferrite (𝐶𝑢𝐹𝑒2−𝑥𝑌𝑥𝑂4;𝑥=0.1,0.2,0.3,0.4,0.5) were synthesized through sol-gel auto combustion technique. X-ray diffraction and scanning electron microscope is employed to carry ...
Oxygen Cyclotron Harmonic Waves in the Inner Magnetosphere

Waheed, Abdul (Department of Physics, COMSATS University Islamabad, Lahore campus, 2019-12-27)

The Banded emission of Oxygen cyclotron harmonic waves has been observed by Van Allen probes in the Earth inner magnetosphere. The general dispersion relation for electrostatic Oxygen cyclotron harmonic waves is derived ...

Now showing items 1-20 of 301

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