Browsing Materials Research Centre (MRC) by Title
Now showing items 117-136 of 202
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Nanostructurization of Transition Metal Silicides for High Temperature Thermoelectric Materials
(2018-03-06)Transition Metal Silicides (TMS) are well known refractory materials because of their high thermal and structural stability at elevated temperature. In addition TMS materials are known for their moderate thermoelectric ... -
New Avenues to Transition Metal-Based Water Splitting Electrocatalysts
Solar energy is by far the most abundant renewable resource available to mankind. However, it is diffused and intermittent, and often geographically separated from that of the production results in underwhelming utilization ... -
Nonlinear Electrical And Magnetotransport Properties Of ZnO/Perovskite Manganite Ceramic Composites
(2009-06-05)This thesis deals with the investigations on the nonlinear electrical and manganetotransport properties of polycrystalline multi-phase ceramic composites of Zno/pervoskite manganite. Multifunctional properties are studied ... -
Nonpolar III-Nitrides Optoelectronic Devices by Plasma-Assisted Molecular Beam Epitaxy
III-Nitrides are excellent semiconductors very much suitable for modern electronic and optoelectronic applications specifically in the fields of solid-state lighting, solar cells, high power/frequency electronics and ... -
Novel 1-D and 2-D Carbon Nanostructures Based Absorbers for Photothermal Applications
(2018-03-02)Solar thermal energy is emerging as an important source of renewable energy for meeting the ever-increasing energy requirements of the world. Solar selective coatings are known to enhance the efficiency of the photo thermal ... -
Optimization of Li Storage in Graphitic Materials through Tuning of Electronic Structures
In the current scenario of global warming, pollution and the very limited resources of fossil fuels, Li ion batteries show great promises to fulfil the energy demand of modern civilization without harming the environment. ... -
Overcoming Challenges Associated with Designing of Thermoelectric Materials: DFT and Machine Learning Approaches
Search for clean and renewable energy resources has driven recent interest in designing thermoelectric materials that convert the waste heat to useful electricity. High performance thermoelectric materials require excellent ... -
Overcoming Challenges Associated with Hydrogen Storage Efficiency and Fuel Cell Catalysis : An Ab Initio Study
Fuel cells offer the best solution to the imminent energy and environmental crisis staring at our face, urging the scientific community to overcome all the challenges faced by its effective commercialization. These harness ... -
Oxidation of CO Catalysed by Nanometric Mono and Bi-Noble Metals on Various Oxide Supports
Air pollution results mainly from the injurious smoke emitted by cars, buses, trucks, factories etc. This smoke contains carbon monoxide, unburned hydrocarbons and oxides of nitrogen and sulphur. In case of cars, catalytic ... -
Phase Transformation Behavior Of Embedded Bimetallic Nanoscaled Alloy Particles In Immiscible Matrices
(2017-02-16)The aim of the present thesis is to understand the phase transformation behavior of embedded alloy nanoparticles embedded in immiscible matrices. Embedded alloy inclusions have been dispersed in immiscible matrix via rapid ... -
Phonons And Thermal Transport In Nanostructures
(2011-09-19) -
Phosphate-based Mixed Polyanionic Positive Insertion Materials for Energy Storage Applications
Mixed polyanionic insertion materials offer a rich treasure house to develop robust cathode insertion materials having a desirable combination of chemical and thermal stability, as well as tuneable redox voltage and ... -
Physicochemical Characterization and Gas Sensing Studies of Cr1-xFexNbO4 and Application of Principal Component Analysis
(2018-03-01)Monitoring the working environment of laboratories and industries for pollutants is of primary concern to ensure the healthiness of working personnel. Semiconducting metal oxides (SMOs) are sensitive to the gas ambience ... -
Properties And Applications Of Semiconductor And Layered Nanomaterials
(2014-04-07)This thesis deals with the research work carried out on the properties and applications such as GaN nanoparticles, Graphene etc. Chapter 1 of the thesis gives introduction to nanomaterials and various aspects of the ... -
Quest for New Chalcopyrite Semiconductors for Photodetector Applications
Photodetectors are widely used as image sensors, in optical communication, remote sensing etc. IR detectors find widespread applications in night vision cameras and medical diagnostics. In this thesis a new chalcopyrite ... -
Rational Design of Advanced Hybrid Nanostructures for Catalysis and Electrocatalysis
(2017-11-28)The hybrid nanostructures exhibit excellent performances in various fields such as catalysis, sensing, and energy conversion as compared to their individual ones. The thesis deals with the new methods for the synthesis of ... -
Rational Design of Efficient Catalysts using First-Principles and Machine Learning
Rising concerns about the impending energy crisis and environmental impact have garnered tremendous research interest in developing catalysts for sustainable fuel production and pollution abatement. However, the traditional ... -
Rational Designing of Bifunctional Electrocatalysts for Electrochemical Energy Conversion and Storage Devices
Depleting fossil fuels, increasing environmental concerned and looming energy crisis motivates researcher around the globe to explore some of the possible eco-friendly energy alternative resources. Among various available ... -
Self-powered Broadband and Ultrafast Photoresponse using InN and InGaN grown on AlN/Si (111) by Plasma-assisted Molecular Beam Epitaxy
Group III-nitride semiconductors have enabled revolution in solid-state lighting and high-power/high-frequency electronics. Now-a-days, III-nitride based photodetectors are of great importance because of their various ... -
Semiconductor Photocatalysts For The Detoxification Of Water Pollutants
(Indian Institute of Science, 2006-06-15)Water pollution is a major concern in vast countries such as India and other developing nations. Several methods of water purification have been practiced since many decades, Semiconductor photocatalysis is a promising ...