Division of Chemical Sciences: Recent submissions
Now showing items 301-320 of 968
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Towards high quality V2O5 and VO2 thin films for gas sensing, smart windows and optoelectronic applications
The global demand for improved living standards coupled with rising pollutant or hazardous gases levels, safety and security demands have led to increased demand for miniaturized gas sensors and photodetectors. Production ... -
Stereocontrol through Catalytic Enantioselective C(sp2)−H and C(sp3)−H Alkylation: From Bifunctional Organocatalysis to Iridium-Catalysis
This thesis, entitled “Stereocontrol through Catalytic Enantioselective C(sp2)−H and C(sp3)−H Alkylation: From Bifunctional Organocatalysis to Iridium-Catalysis” primarily deals with the development of various catalytic ... -
Vanadium Dioxide: Bulk and Thin Films for Device Applications
In the present era, energy consumption is more than the energy that is generated for which renewable as well as non-renewable sources are used. In order overcome this lag, researchers are developing smart materials ... -
Carbon aerogel supported first-row transition metal catalysts for methanolyis of ammonia borane
Ni-Ni3B, Co-B, and Co-Ni-B nanocomposites decorated on carbon aerogel were successfully synthesized by adopting the solution impregnation method. The nanocomposites were characterized by powder XRD, transmission electron ... -
Design, Synthesis and Optical Characterization of Thiophene Based Luminophore
We successfully designed and synthesized a series of thiophene based luminophores. We were able to modulate the optical band gap of these luminophores by systematically fine-tuning the chemical structure of these compounds. ... -
Modeling Magnetic Anisotropy in Single Chain Magnets
This thesis embodies work on modeling magnetic anisotropy in molecular magnets. Understanding the factors that govern the magnitude of anisotropy in these materials is crucial for tailoring molecules that can be used in ... -
Electrical and Opto-Electronic Devices Based on SnSe2 Thin Films
SnSe2 is a semiconductor with unique and interesting properties such as band gap with layer thickness dependence. Theoretically, it has been predicted that the band gap can be varied between 1.2 and 2.04 eV. This range of ... -
Rotational Spectroscopic and Computational Studies on Inter/Intramolecular Bonding
The importance of non-covalent interactions cannot be undermined, as it permeates nearly every sphere of chemistry. The hydrogen bond is the most well-known and ubiquitous non-covalent interaction. In recent times similar ... -
Self-assembled Coordination Architectures & Donor- Acceptor Systems: Synthesis, Characterization and Applications
Self-assembled Coordination Architectures & Donor-Acceptor Systems: Synthesis, Characterization and Applications Atul Kumar The extraordinary ability of biological systems to develop complex and functional molecular ... -
Accelerated search for thermoelectric and topological materials using first-principles and machine learning
In summary, we have performed first-principles calculations to study the topological phase transitions in chalcopyrite compounds as a function of hydrostatic pressure. These compounds are topological insulators in the ... -
Development of Novel NMR Methodology and Investigation of Challenging Chemical Problems
The thesis is entitled as "Development of Novel NMR Methodology and Investigation of Challenging Chemical Problems ". The research work reported in this thesis is mainly carried out in two directions. The initial focus ... -
Mechanistic Understanding of Organic Solar Cells: A Detailed Investigation on Role of Förster Resonance Energy Transfer, Dielectric Constant and Exciton Dynamics
Organic solar cells (OSC) have been emerging as promising energy harvesting technology because of their low-cost fabrication, semitransparency, solution processability and ability to be produced in large scale using ... -
Achieving Efficiency and Specificity in Multifarious Systems for Anti-cancer Gene Therapeutics
The research work described in this thesis encompasses the syntheses, characterization and bioactivity determination of various novel systems crafted for achieving high efficacy and targeted gene therapeutic effect in ... -
Thin Films of TiO2 by MOCVD : Precursor Development, Film Growth and Microstructure, Optical and Electrical Properties
TiO2 is a well-known and very attractive material owing to its chemical stability, biocompatibility, and remarkable electrical and optical properties. Indeed, it exhibits a high dielectric constant and resistivity, a high ... -
Understanding quantitative process physics of 3D binderjet printing with validation in Ti-6Al-4V and inkjet bioprinting of mammalian cells
In the field of additive manufacturing, laser or electron beam based 3D printing is widely investigated for biomedical applications. However, much less explored is the binderjet 3D printing, which allows processing of ... -
Nucleophilic Addition reactions of 2-Aza-allyl anion: Application to the Total Synthesis of Natural Products
The thesis entitled “Nucleophilic Addition reactions of 2-Aza-allyl anion: Application to the Total Synthesis of Natural Products’’ is divided into two sections with an appendix. First section of the thesis details the ... -
Methodological Developments in NMR for Chiral Analysis using Selective Excitation
The NMR spectroscopy as usually practiced in isotropic achiral solvents is unable to differentiate enantiomers, unless the intermolecular diastereomeric interactions are imposed with an enantiomerically pure reagent. Chiral ... -
Catalytic Studies with Ru and Ir Half-sandwich Complexes Bearing NHC Ligands
The thesis describes the study of arene-tethered and untethered Ru half-sandwich complexes as catalysts in the addition of hydroelements (E‒H, E = H, B, Si) across unsaturated C-C, C-N and C-O bonds and transfer hydrogenation ... -
Reversible Redox Switching of First Hyperpolarizability (Β) of Metallorganic Complexes
The concept of molecular switches has garnered enormous interest because of the vital role of these switches as components in molecular electronic/photonic devices, signal transmission and optical communication. Compounds ... -
A Few Applications of Porous Materials in Biology and Environment
The present thesis discusses the beneficial effects of confining biologically relevant molecules inside porous structures of varying morphology and dimensions. Confinement of a biomolecule such as protein, enzymes drugs ...