Division of Chemical Sciences: Recent submissions
Now showing items 261-280 of 968
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Theoretical Studies of Skewed Spin Ladders and Polycyclic Aromatic Hydrocarbons
This thesis is an effort to understand electronic structure and optical properties of low-dimensional conjugated molecules such as polyatomic aromatic hydrocarbons and nanoribbons composed of perylene monomers in addition ... -
Development of New Synthetic Methodologies for Selenocysteine, Selenopeptides and β-Seleno Amino Acids”
thesis mainly describes the synthesis and characterization of novel selenium-containing amino acids for their potential application in redox reactions. Several β-seleno-α-amino acids have been synthesized and fully ... -
A Study of Synthesis and Optoelectronics of Copper Iron Chalcogenide Nanocrystals
Copper iron chalcogenides constitute a promising class of optoelectronic materials courtesy of their narrow bandgaps and earth abundant constitution. However, they are yet to receive the attention they deserve due to the ... -
Phase Modulated Selective NMR Methods for resolving overlapping spin systems and rapid data acquisition : Application in metabolomics
research work is focused on the development of new fast solution NMR methods for resolving overlapping spin systems and their application to NMR based metabolomics. In this work two new solution NMR pulse sequences are ... -
Spectrally selective tandem absorbers for photothermal conversion in high temperature solar thermal systems
Solar energy is the inexhaustible and abundant energy resources on the earth which can be a best substitute for the fossil fuels. Over the past couple of decades, all the solar technologies are rising very steadily in two ... -
Synthesis and development of multifunctional carbonaceous nanostructures for magnetic, optical and catalytic applications
Owing to the ease of functionalization, low synthesis-cost and polymorphism, carbonaceous nanostructures such as carbon globules, nanotubes (CNTs) and graphene sheets emerged technologically as one of the most important ... -
The Crystal Form Diversity From Cocrystals To Eutectics: Design, Synthesis, Production And Property Evaluation
This thesis aims to design and synthesize organic molecules to generate properties like SHG, ferroelectric and dielectric. In continuation, we have done cocrystallization studies to study the trend in between the two ... -
Photo-responsive Self-assembled Coordination Architectures and Their Applications
Development of nanomaterials that mimic enzyme-like catalytic activities (nanozymes) has drawn special attention in recent time. Nanozymes possess exclusive advantages over natural enzymes like high stability, large-scale ... -
Studies on Layered Ternary Metal Chalcogenides: Electronic devices, Sensors and Electrocatalysis
Atomically thin two-dimensional (2D) materials have gained tremendous interest since the discovery of graphene in 2004 due to their unique physical and chemical properties. They have been used in various research fields ... -
Ru (II)-Catalyzed C−H Activation: Amide-Directed 1,4-Addition of Ortho C−H Bond to Maleimides
Transition metal catalyzed functionalization of C-H bond to C-C bond is advantageous and atom economical. The use of directing groups is intended to overcome the challenges associated with the C-H activation such as low ... -
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. ... -
Investigation of Weak Molecular Interactions by Multinuclear NMR Spectroscopic Techniques and Theoretical Computations
The work reported in this thesis contains extensive studies carried out to investigate the weak molecular interactions in small organic molecules by utility of multinuclear and multidimensional NMR spectroscopic techniques ... -
Functional Oxides for Oxygen Scavenging Applications
The aim of this experimental study is to develop oxide-based materials for oxygen enrichment/separation from air through pressure/temperature swing sorption. Production of commercial oxygen is conventionally achieved ... -
Synthesis, Structure, Optical, SHG and Multiferroic Investigations on Compounds derived from Mineral Structures
The present thesis provides a systematic investigation of compounds derived from different mineral structures. The compounds were explored for their optical, visible light-activated photocatalysis, Second Harmonic Generation ... -
Engaging Small Organic Molecules and Self-Assemblies for ‘Label-Free’ Recognition of Biologically Relevant Analytes
The thesis entitled ‘Engaging Small Organic Molecules and Self-Assemblies for ‘Label-Free’ Recognition of Biologically Relevant Analytes’ mainly deals with design and synthesis of various types of small molecular probes ... -
Studies on Iron and Cobalt Complexes showing Photo-induced Anticancer Activity
In this thesis the various facets of the chemistry of photocytotoxic iron and cobalt complexes have been investigated along with their syntheses, characterization, evaluation of the photocytotoxic activities in various ... -
New Anthraquinone & Xanthone based Ligands as Potential Anti Cancer Agents via Selective Stabilization of G Quadruplex DNA and Theoretical Insights into G Quadruplex RNA Binding with Certain Small Molecules
In recent years, different small molecules have been synthesized for selective stabilization of G-quadruplex DNA structures over the most abundant double-stranded duplex DNA. Stabilization of G-quadruplex DNA by small ... -
Investigation of 1D nanostructures and heterostructures using electron microscopy
Inorganic colloidal nanocrystals are extensively used in various fields such as electronics, sensing, photonics, thermoelectrics and catalysis. The intriguing properties of these colloidal nanocrystals can be attributed ... -
Theoretical studies of chemical dynamics in complex systems: Nanoconfined water, microdroplets, biomolecular hydration layer, and water-mediated protein association
The thesis contains theoretical studies of the structure and dynamics in different complex systems. Depending on the systems and properties of interest we divide the thesis into five parts. In the first part, we study ... -
Ab-initio Modeling and Designing of Materials for Thermoelectrics, Optoelectronics and High Temperature Applications
Designing a material for a particular application requires an atomistic understanding of its properties. Recent development in first principles methods and supercomputing speeds has enabled researchers to compute materials ...