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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 ...
Interfacing Biomolecules with Nanomaterials for Novel Applications
(2018-03-02)
This thesis deals with the research work carried out for the development of novel applications by integrating biomolecules with various nanostructures. The thesis is organized as follows:
Chapter 1 reviews the properties ...
Studies on Effect of Defect Doping and Additives on Cr2O3 and SnO2 Based Metal Oxide Semiconductor Gas Sensors
(2018-03-09)
Metal Oxide (MO)semiconductors are one of the most widely used materials in commercial gas sensor devices. The basic principle of chemoresistive gas sensor operation stems on the high sensitivity of electrical resistance ...
Investigation of Structural and Electronic Aspects of Ultrathin Metal Nanowires
(2018-02-11)
The constant trend of device miniaturization along with ever-growing list of unusual behaviour of nanoscale materials has fuelled the recent research in fabrication and applications of ultrathin (~2 nm diameter) nanowires. ...
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 ...
Investigations into the Synthesis, Structural and Multifunctional Aspects of Ba0.85Ca0.15Zr0.1Ti0.9O3 and K0.5Na0.5NbO3 Ceramics
(2018-06-23)
Non-centrosymmetric materials that can be polarized under applied mechanical stress or electric field are piezoelectric in nature and the phenomenon is called piezoelectric effect. They are broadly classified as direct and ...
Controlled Nanoscale Growth of 2D Materials and Their Heterostructures
Unique ranges of properties of two dimensional (2D) materials foster new opportunities in many scientific and technological fields. Beyond pristine 2D materials, their heterostructures provide more possibilities in real ...
Titanium Niobium Complex Oxide (TiNb2O7) Thin Films for Micro Battery Applications
(2018-07-20)
The research work presented in this thesis reports for the first time the fabrication of Titanium Niobium complex oxide (TiNb2O7 (TNO)) thin films by employing pulsed laser deposition and their use as the anode material ...
Thermal Oxidation Strategies for the Synthesis of Binary Oxides and their Applications
(2017-12-12)
Binary oxides constitute an outstanding class of functional materials with potential applications in many fields such as catalysis, gas sensing, field emission, solar cells, photodetection, etc. Due to the difference in ...
InGaN Based 2D, 1D and 0D Heterostructures on Si(111) by Plasma Assisted Molecular Beam Epitaxy
The present research work focuses on the growth and characterization of group III-Nitride (InGaN) epitaxial layers as well as nanostructures on Si(111) substrates. The growth system used in this study was a plasma-assisted ...