Division of Chemical Sciences: Recent submissions
Now showing items 361-380 of 968
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Investigations of Chalcogen-Cathodes and a Carbonitride-Anode for Alkali-Based Rechargeable Batteries
In this thesis, we have attempted to understand the working principle of Li(Na)-S(Se) battery and following such understandings we have attempted towards the design of various S(Se)- cathode materials for the alkali based ... -
Electrochemical Investigations Related to the Next Generation Sodium and Potassium Batteries
The commercialization of Li-ion battery (LIB) in 1990s by Sony Corporation has led to its applications in portable electronic devices such as mobile phones, cameras, laptop computers, etc. Initially, the energy density of ... -
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 ... -
Exploring New Designs of Amphiphilic Graft Copolymers and Forays into 2D Polymers
Amphiphilic polymers, wherein two or more immiscible polymeric segments are connected covalently, form an interesting class of macromolecules that can self-assemble in block selective solvents as well as in bulk, to exhibit ... -
Understanding Ultrafast Molecular Structural Dynamics in Liquids : Ultrafast Raman Loss and Transient Absorption Study
The present thesis deals with the detailed ultrafast experimental studies on the ex-cited state vibrational dynamics of model chemical systems in condensed phase. The molecular systems are studied by means of Ultrafast ... -
Structural Characterization Of Complex Oxides And Sulfates Towards the Design of Photocatalytic And Sodium Ion Conducting Materials.
The thesis entitled "Structural Characterization of Complex Oxides and Sulfates Towards the Design of Photocatalytic and Sodium Ion Conducting Materials" consists of _ve chapters. Chapter 1 gives a brief introductory note ... -
A New Class of Boron-Nitrogen Compounds : A Rational Approach for the Design and Development of Smart Materials
Replacing nonpolar homodiatomic C=C unit in a fully carbon -conjugated system with an isoelectronic polar heterodiatomic B-N fragment is an active area of research. The first BN/CC isosterism was demonstrated seven decades ... -
Theoretical Investigation of H-Bonded O-H Vibrations, H-Atom Transfer and C-H Vibrations via Empirical Valence Bond and Local Mode Based Models
In this thesis, I have presented my work on properties of hydrogen(H) bonded systems, H-atom transfer reaction in solution and molecular vibrational spectra through theoretical inves-tigations. The studies are based on two ... -
Chemistry of Ru(II) Complexes Bearing N-heterocyclic Carbene, Hydride, and Dihydrogen Ligands : Synthesis, Mechanistic Insights, and Applications
Introduction N-heterocyclic carbenes (NHC) are strong donors and weak acceptors. Also, NHC forms strong metal-carbon bonds in metal complexes and hence complexes bearing NHC ligands are in general, thermally stable. ... -
Total Synthesis of Natural Products Diospongin a, Cryptofolione, CryptopyranmoscatoneB2, SCH725674 and Towards the Total Synthesis of Palmerolide C
First chapter of the thesis describes the total synthesis of tetrahydropyran containing natural products, diospongin A, cryptopyranmoscatone B2, hydroxy δ-lactone containing natural product cryptofolione and macrolactone ... -
Anomalous Diffusion in a Rearranging Medium Diffusing Diffusivity Models
Diffusion processes, because of their applications to a wide range of phenomena, have been a subject of great scientific interest ever since Einstein formulated the celebrated theory of Brownian motion. Brownian motion is ... -
Site-selective C-H Functionalization using Directing Group Strategy via C-H Bond Activation
The thesis entitled “Site-selective C-H Functionalization using Directing Group Strategy via C-H Bond Activation” is divided into two sections. Section A, is presented in four chapters, comprising the work on the aromatic ... -
Structure, Dynamics and Optical Properties of Organic-Inorganic Hybrid Perovskites
Organic-inorganic hybrid perovskites have emerged as promising photovoltaic materials in the last few years, with the possibility of easy, solution synthesis. In this thesis, we have investigated some intrinsic material ... -
Design, Synthesis and Properties of Novel Oligo-Phenylenevinylene based Supramolecular Photochromic Gels and Soft Composites with Nanomaterials
The thesis entitled “Design, Synthesis and Properties of Novel Oligo-Phenylenevinylene based Supramolecular Photochromic Gels and Soft Composites with Nanomaterials” deals with soft materials derived from low molecular ... -
β-Keto Phoshonates from Tartaric Acid in the Total Synthesis of (+)-4-epi-gabosine A, (+)-dihydrokawain-5-ol, (-)-bengamide E and indetification of MPK-09 : A Small Molecule that Restores the Wild type Function of Mutant p53
The thesis entitled “-Keto phosphonates from tartaric acid in the total synthesis of ()-4-epi-gabosine A, ()-dihydrokawain-5-ol, ()-bengamide E and Identification of MPK-09: A small molecule that restores the wild type ... -
Electrocatalytic Oxidation of Organic Molecules on Nanostructured Metals on PEDOT Surface
Availability of appropriate forms of energy is one of the basic needs of the society. The demand for worldwide energy has been increasing, while the conventional energy sources have been depleting fast. As the present main ... -
Studies on Oxovanadium(IV) Complexes for Photocytotoxicity and Cellular Imaging
The thesis work deals with different aspects of the chemistry of oxovanadium(IV) complexes, their interaction with DNA, photo-induced cleavage of double-stranded DNA, photocytotoxic effect on cancer and normal cells in ... -
Enantioselective Carbon-Carbon and Carbon-Heteroatom Bond Formation : From Bifunctional to Anion-Binding Catalysis
The thesis entitled “Enantioselective Carbon-Carbon and Carbon-Heteroatom Bond Formation: from Bifunctional to Anion-Binding Catalysis” is divided into four chapters. Chapter 1: Organocatalytic Asymmetric Direct Vinylogous ... -
Electron Microscopy Investigation of Formation Mechanism, Structure and Stability of Functional Nanostructures & Hybrids
Micro/nano-structural characteristics of functional materials play a crucial role in their properties. In that spirit, it is of utmost importance to explore the ‘room at the bottom’, to characterize the functional nanomaterials ...