Browsing Division of Chemical Sciences by thesis submitted date"2024"
Now showing items 1-20 of 52
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3D printing for biomedical applications: Hybrid nanoparticle reinforced hydrogels for soft tissue regeneration and bone flaps for cranial reconstruction
This dissertation focuses on the quantitative insights into process v science behind the development of tissue-engineered grafts using additive manufacturing (AM) technology. Additive manufacturing, commonly referred to ... -
Alluaudite Battery Chemistry: Design and Exploration
Being one of the most promising technologies in human history, lithium-ion batteries (LIBs) have empowered our lives since their commercialization in 1991 by SONY®. However, all these applications need massive production ... -
Asymmetric Synthesis of Amino Acid Derivatives and Total Synthesis of Biologically Active Natural Products
The thesis describes the development of synthetic method for the synthesis of -amino acid esters, amides, thioesters using Ellman sulfinimines. The procedure developed was further utilized in the synthesis of di and tri ... -
Bistable Magnetic Materials Based on Spin State Switching and Single Molecule Magnets
Molecular Magnets have intrigued researchers because they can enhance the data storage density, act as molecular switches and sensors, and have prospects in spintronics and quantum computing. They encompass various systems, ... -
Breaking Symmetry – Organocatalytic Enantioselective Synthesis of Natural and Unnatural Ladderanes
Architecturally unique compounds produced by nature have remained a source of inspiration for organic chemists. Ladderane phospholipids (such as [5][3]PC and [3][3]PC), isolated in the year 2002 from anaerobic ammonium oxidizing ... -
Computational Studies of Heavier Main Group Elements: Control of Lewis Acidity of Bi and Sb by Charge and Ligand Design, and Structural Variations of [Fe(CO)4]2E2 and E2CH2 Isomers (E = C–Pb)
Traditional main group compounds demonstrate Lewis acidity due to the presence of vacant p- orbitals. Hydrides of lighter main group elements, such as NH3, function as Lewis bases. However, introducing highly electronegative ... -
Computational Studies of the Electronic Structures and Ring Contraction Reactions of Pn (n=4-6) Ring in Double and Triple Decker Complexes, and an Orbital Engineering Approach to Stabilise Borozene (B6H6)
The well established chemistry of ferrocene1-3 and different sandwich scaffolds4,5 with organic rings prompted us to explore the electronic structures and reactivity of sandwich complexes involving inorganic rings, i.e., ... -
Crafting Complexity: Characterization and Tuning of Non-Hermitian Topological Phases
Quantum mechanics relies on self-adjoint or Hermitian operators, ensuring real eigenenergies and preserving probability via a unitary time evolution [1]. However, this applies strictly to closed systems. In open systems, ... -
Delayed Luminescent Materials: Development and Exploration of Applications
Delayed luminescence (DL) refers to light emission that persists after the excitation source is removed. Differing from conventional fluorescence, DL has a considerably longer lifetime attributable to the slow exciton ... -
Designing Metallo-Supramolecular Assemblies for Biomimetic Catalysis and Environmental Sustainability
Molecular self-assembly is ubiquitous in nature and plays a vital role in the emergence and maintenance of life. For example, DNA strands self-assemble into a double helix that stores genetic information. Likewise, ... -
Dissipative Mechanisms in Organic Light-emitting Diodes: Role of Intramolecular Charge Transfer and Delayed Fluorescence
Organic light-emitting diodes (OLEDs) are emerging to replace conventional lighting technology due to their flexible device structures, multicolour emission, and ease of fabrication. However, one of the key challenges in ... -
Electrode Design and Interface Engineering for Boosting Electrochemical Performance of Aqueous Zinc-based Batteries
Aqueous zinc-based batteries (AZBs) have emerged as promising next-generation energy storage systems due to the abundance of zinc, which expectedly should lower the battery cost. Additionally, Zn-based batteries will be ... -
Engineering Chemical Environments for Efficient Thermoelectric and Heat Transport Materials using First-principles Calculation
To optimize the management of heat generated in various industrial processes, it is imperative to utilize materials that can proficiently transport heat energy and convert it into valuable electrical power. Conversion of ... -
Exploring Hyperbranched Polymers as Multifunctional Scaffolds
Hyperbranched polymers (HBPs) are highly branched macromolecules that exhibit excellent solubility, low melt viscosity, and they possess a multitude of modifiable peripheral functional groups.1 Unlike their structurally ... -
Exploring Topological Semimetallic Phases of Matter through First-Principles Calculations
In recent years, the study of topological phases of matter have received immense interest. Following the discovery of topological insulators, topological band theory has been extended to topological semimetals, characterized ... -
A Few Case Studies of Materials Designed for Electrochemical Nitrogen Reduction for Ammonia Synthesis and Rechargeable Li-N2 Battery
Ammonia (NH₃) is a cornerstone of the fertilizer industry, with approximately 80% of its global production used to sustain agriculture and feed the global population [1, 2]. Beyond its role in agriculture, NH₃ is a carbon-free ... -
Fluorescence-detected Multidimensional Electronic Spectroscopy (fMES) with a Visible White-light Continuum: New Experimental Approaches and Vibronic Exciton Models
Multidimensional Electronic Spectroscopy (MDES) represents the state-of-the-art optical spectroscopy method within the umbrella of time-resolved four-wavemixing techniques. MDES works by resolving the femtosecond quantum ... -
From Multidimensional non-Markovian Rate Theory to Diffusion-Entropy Scaling and Investigations into the validity of Hydrodynamic Stokes Law
Multidimensional rate theory provides a theoretical framework for understanding chemical reactions that occur in systems with more than one reaction coordinate, such as isomerization reactions, protein folding, or electron ... -
Functionalized Low-Dimensional Nanomaterials in Antibacterial Activity and Drug Delivery
The rise in multi-drug-resistant bacterial infections is a major health concern of the 21st-century. Overuse of traditional antibiotics in medical, agricultural, and veterinary practices has led to numerous drug-resistant ... -
Highly Reactive Ru(II) Complexes Stabilized by Agostic Interaction/N2 Binding: Small Molecule Binding and Utility in Hydrogenation Catalysis
Binding and activation of chemically inert and strong sigma H−X bonds (X = H, B, Si, C) in small molecules such as H2, H3B.NR3, HSiR3, and CH4 have been the subject of intense research interest. The binding of a small ...