Division of Chemical Sciences: Recent submissions
Now showing items 341-360 of 968
-
Charge and Heat Transport in Low-dimensional Quantum Systems
Transport of electrons through low-dimensional quantum conductors like nano-junctions has been actively pursued research area for the last few decades. Experimental studies on nano-junctions are nowadays routinely carried ... -
Raman and IR Spectroscopic Studies of Bacteria, Endotoxin, DNA and Lipoproteins
In the past few decades, vibrational spectroscopy has emerged as a powerful technique in biomedical research. Raman and IR spectroscopy, which are based on signatures specific to molecular vibrations, has found a wide ... -
Protein-Nanomaterial Interactions: Structural And Dynamic Aspects
Owing to their unique properties, the noble metallic nanoparticles and graphenic nanomaterials find their applications in diverse fields of science. Particularly in the field of biomedicine, nanomaterials are being used ... -
Electrochemical Conversion of Methyl Ketones to Esters
The need for sustainable and efficient organic synthesis has inspired chemists to embrace classic technologies like electrochemistry and photochemistry. In addition to being an environmentally benign method to synthesize ... -
Studies on Quinoidal Diketopyrrolopyrrole Derivatives and their Applications
Quinoidal π-conjugated molecules have endowed significant attention over the years especially due to inherent high electron affinity and amphiprotic redox behavior, establishing their application as versatile active material ... -
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 ... -
Investigations on the Pi Distortivity Problem and On the Use of Single Atom Thick Layers as Filters
It has traditionally been believed that pi-electrons stabilize the D6h structure of benzene. However, this was questioned both using theoretical arguments, as well as circumstantial, experimental evidence. The theoretical ... -
A Mitsunobu-Michael Reaction Sequence to N-Heterocyclic Variants and Ti(III)-Mediated Synthesis of Terpenoids and N-Fused Indoles
The research work delineates a flexible and novel route for the diastereoselective construction of diversely substituted N-heterocyclic variants as valuable scaffolds for natural products and pharmaceuticals, starting from ... -
Efficient Photodetectors Based on Reduced Graphene Oxide
Chapter 1: In chapter 1, we have presented a brief introduction on photodetector and its various applications. Chapter 2: Chapter 2 is the discussion about experimental methods and characterization tools. In this chapter, ... -
Vanadium Complexes for DNA Crosslinking and Photodynamic Applications
The present thesis work deals with the studies involving synthesis of vanadium-based complexes as photoactivated chemotherapeutic as well a photodynamic therapeutic agent. Their interactions with DNA, as double-stranded ... -
A Study of Photophysics and Photochemistry of I-III-VI2 Nanocrystals
This thesis, entitled “A Study of Photophysics and Photochemistry of I-III-VI2 Nanocrystals” primarily deals with the properties of I-III-VI2 semiconductor nanocrystals composed of earth abundant, environmentally benign ... -
Aqueous and Non-aqueous Dispersions of Graphene and Boron Nitride Nanosheets : NMR Measurements and Molecular Dynamics Simulations
Preface Ever since the discovery of graphene in 2004, there has been considerable interest in two dimensional (2D) nanomaterials due to their distinctive properties and the prospect of potential applications. A ... -
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 ... -
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 ... -
Integration of AlGaN with (111) Si Substrate by MOCVD
AlGaN is an important semiconductor material for electronic and optoelectronic applications. The change in composition of AlGaN (AlN to GaN) provides a range of bandgaps extending from 6.01 eV, far ultraviolet, to 3.4 ... -
III- Nitride Thin Films and Nanostructures on Si(111) by Plasma Assisted Molecular Beam Epitaxy
This thesis focuses on studying heterostructures of GaN, Silicon and AlN. GaN nanostructures are grown on bare Si (111) with and without a GaN buffer layer and GaN film was grown on an AlN layer. Apart from the material ... -
Synthesis and Investigations of a Few Anode Materials for Alkali-based Rechargeable Batteries
The present Thesis explores a few novel anode materials for both lithium-ion and sodium-ion rechargeable batteries. A series of layered metal titanium niobates have been synthesised and their electrochemical energy storage ... -
Electrical and Non-linear Optical Properties of LiTa(Nb)O3 Nanostructures Evolved in Borate Glass Matrices
The design, fabrication and application of materials that are of dimension(s) in the nanoscale form the basis of nanotechnology. Nanotechnology thrives owing to the anomalous, unique or even at times, extraordinary physical ... -
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 ...