Division of Chemical Sciences: Recent submissions
Now showing items 241-260 of 968
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Layered Metal Dichalcogenides-Based Hybrid Devices for Resistive Sensing
During the past few decades, photodetectors (PDs) are being regarded as the crucial components of many photonic devices which are being used in various important applications. However, the PDs based on the traditional bulk ... -
Mechanistic Insights for Controlling Electromagnetic Interference Shielding Through Microwave Absorption in Magnetic Composites
Extensive use of electronic devices in daily communication and information technology causes high (microwave) frequency electromagnetic interference (EMI). This EMI often leads to noise, data misinterpretation or malfunctioning ... -
Total synthesis of the macrolactone core of migrastatin, formal synthesis of (+)-ratjadone A, and towards the synthesis of sphingofungin F
The thesis entitled “Total synthesis of the macrolactone core of migrastatin, formal synthesis of (+)-ratjadone and Towards the total synthesis ofsphingofungin F” is divided into three chapters and an appendix highlighting ... -
Low Power Resistive Photon- and Gas- Sensors
Sensors, be it for temperature, pressure, acoustic, light or gas to name a few have become an indispensable part of human life. Light sensors or photodetectors have widespread usage in modern portable electronics as camera ... -
Overcoming Challenges Associated with Designing of Thermoelectric Materials: DFT and Machine Learning Approaches
Search for clean and renewable energy resources has driven recent interest in designing thermoelectric materials that convert the waste heat to useful electricity. High performance thermoelectric materials require excellent ... -
Structural and Solvent Effects on Excited State Dynamics of Rhenium(I) Tricarbonyl α-Diimine Complexes: A Time-Resolved Spectroscopic and Computational Study
The nature of the lowest excited state in rhenium(I) complex with 1,10-phenathroline as ligand was first reported by Mark Wrighton and David. L. Morse. Since then many rhenium(I) complexes with different ligands having ... -
Synthesis and Functionalization of Carbon and Sulfur-based Nanomaterials: Physical Properties and Molecular Recognition
In recent years carbon-based nanomaterials are growing rapidly in the field of science and technology, due to the tunable optical and physical properties such as electronic arrangement, photostability, flexibility and ... -
Electrochemical and Spectroscopic Investigations of Some Redox Active Biomolecules
The thesis attempts to ask a few questions related to heme electrochemistry and provide possible answers to these in terms of experimental results obtained and reported in the current literature. It is expected that the ... -
Ethylene Glycol in the Liquid State: Structure, Conformation and Dynamics - A Study Using Ab Initio Molecular Dynamics Simulations
Ethylene glycol (EG) is an important organic molecule with unique properties and a wide range of applications. The EG molecule shares a structural motif with many biomolecules and serves as a part of the training set for ... -
Studies on Soluble Lead Redox Flow Battery
Redox flow batteries (RFBs) offer an opportunity to make renewable energy storage more affordable and could accelerate prospects for utility-scale development of solar/wind energy storage. RFBs can be almost instantly ... -
Studies on switching of J and H aggregates in Donor-Acceptor molecular materials
The aggregation of molecular materials plays a central role in determining their functional properties. In the aggregated state, conjugated chromophores may exhibit enhanced emission, in comparison to their dilute ... -
Studies on the synthesis and applications of I-III-VI2 semiconductor nanocrystals
Nanomaterials have been a topic of extensive research for the past several decades. This is because their properties act as a bridge between their bulk and atomic counterparts. Broadly, nanoparticles can be characterized ... -
Engineered Catalytic Metal—Metal-Oxide Nano-heterostructures for CO Oxidation
Owing to its interesting chemistry and toxic nature, catalytic oxidation of CO is of both fundamental and practical interest. Two applications, viz. CO conversion in the catalytic converters and pre-treatment of CO-rich ... -
Non-covalent interactions in Crystals and Heterocycles of Sulphur and Selenium
Hydrogen bonding plays a very important role in the fields of both chemistry and biology. Conventionally it is represented as D-H---A, where D is the donor atom, A is the acceptor atom and H is the hydrogen atom. It has ... -
Design, Synthesis and Optical Characterization of 1,8-Naphthalimide based D-pi-A System
Design, Synthesis and Optical Characterization of 1,8-Naphthalimide based D-pi-A System Luminescent materials find a lot of application in the field of OLEDs and bio-medical applications [1-2]. Our group has recently ... -
A Study of Dissipative Phenomena in Semiconductor Nanocrystals
Quantum dots (QDs) are semiconductor nanoparticles, where carriers are confined in regions smaller than a few tens of nanometers. The physics governing the behavior of these nano structures are fundamentally different from ... -
Sulfoximine and Sulfoxonium Ylide Directed C-H Activation and Domino Cyclization: Construction of Heterocyclic and Carbocyclic Rings
The thesis presents the construction of heterocyclic and carbocyclic rings using rhodium-catalyzed C-H bond activation followed by a tandem cyclization strategy. This involves the synthesis of heterocyclic compounds such ... -
Computational Study of General Relationships in Chemistry: C−C, C−N, and B−B Coupling, B−B Catenation, and 2D Metal Borides
Elements in the periodic table are categorized into four major blocks, main group (MG) elements, transition metals (TM), lanthanides (Ln), and actinides (An), which differ dramatically. Recent studies revealed some interesting ... -
Investigation into the Synthesis, Structure and Dielectric Property of Lead-Free Double Perovskite Structured Materials
Lead based materials have shown to be important materials showing high piezoelectricity, colossal dielectric constant, ferroelectricity along with their good mechanical behaviour and resistance to corrosion. As a result, ... -
New NMR Methods with high resolution and sensitivity for rapid data analysis
work is focused on: (i) Development of new fast and sensitivity enhanced NMR methods in solution state and their application to metabolomics and (ii) development of novel NMR methods in solution state for the rapid resonance ...