Division of Chemical Sciences: Recent submissions
Now showing items 821-840 of 936
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Theoretical Approaches For Modelling Molecular Magnetism
(2010-10-05)In this thesis we have developed electronic and spin model Hamiltonians to understand magnetism in molecule based magnets like photomagnets, high-nuclearity transition metal complexes and single molecule magnets. In ... -
Novel Distamycin Frameworks For Enhancement And Photoregulation Of DNA Binding And Stabilization Of Higher Order DNA Structures
(2010-10-04)The thesis entitled “Novel Distamycin Frameworks for Enhancement and Photoregulation of DNA binding and Stabilization of Higher Order DNA Structures” has been divided into 4 chapters. Chapter 1 reviews the current trends ... -
Synthesis, Structure And Redox Catalytic Properties Of Pt And Pd Ion Substituted Ce1-xMxO2(M= Ti, Zr & Hf) Oxygen Storage Capacity Nano-materials
(2010-09-28)Three-way catalysis (TWC) involves simultaneous removal of the three pollutants (i.e., CO, NOx, and HCs) which led to the branch of auto-exhaust catalysis. CeO2 has become the main component of TWC catalyst because of its ... -
Thermoelectric Properties Of Manganese And Ytterbium Filled Cobalt Antimonide(CoSb3)
(2010-09-22)Thermoelectric materials are solid state devices having the capability to convert heat to electrical energy and vice versa. These materials are simple, have no moving parts and use no greenhouse gases. But the major ... -
Statistical Mechanical Models Of Some Condensed Phase Rate Processes
(2010-09-13)In the thesis work we investigate four problems connected with dynamical processes in condensed medium, using different techniques of equilibrium and non-equilibrium statistical mechanics. Biology is rich in dynamical ... -
Theoretical And Spectroscopic Studies On Weakly Bound Complexes And Acetylene
(2010-09-03)Atoms construct the molecules and molecules construct the material substances (with the exceptions as well, e.g.., metals, where atoms directly construct the material substances). Intermolecular interactions play an important ... -
Synthesis And Applications Of 1,4-Diketones And Y-Oxobutyramides Derived From Tartaric Acid
(2010-08-25)The thesis entitled “Synthesis and applications of 1,4-diketones and γ-oxobutyramides derived from tartaric acid” is divided into two chapters. Chapter 1: Synthesis of TADDOL analogues by nucleophilic addition reactions ... -
Investigations On Size Dependence Of Diffusivity In Condensed Media
(2010-08-24)Diffusion plays an important role in a number of processes like heterogeneous catalysis, corrosion, separation and purification of chemicals of industrial importance, steel hardening, fuel cells, and solid electrolytes for ... -
Modelling Stochasticity In Selected Biological Processes
(2010-08-16)Biological processes at the cellular level take place in heterogeneous environments, and usually involve only a small number of molecules. They tend to exhibit strong time dependent fluctuations, as a result, and are, ... -
Theoretical Investigations Of Structure, Energy And Properties Of A Few Inorganic Compounds
(2010-08-11)This thesis reports the theoretical investigations aimed at understanding the structure, stability and properties of a few inorganic compounds. The first chapter presents an introductory overview of the theories used to ... -
Probing The Origin Of Second Harmonic Generation From Copper Nanoparticles In Solution By Hyper-Rayleigh Scattering
(2010-08-09)In recent years, coinage metal nanoparticles have emerged as materials with largest quadratic optical nonlinearity. Their first hyperpolarizabilities (β) are very high (105-106 x 10-30 esu) but such large values were quite ... -
Steroselective Synthesis Of Bio-Active Styryllactones
(2010-08-06)The thesis titled “Stereoselective synthesis of bio-active styryllactones” comprises an introduction about styryllactones and three sections delineating the results and discussion about the synthesis of styryllactones and ... -
Spectral Simplification In Scalar And Dipolar Coupled Spins Using Multiple Quantum NMR : Developments Of Novel Methodologies
(2010-07-28)Spin selective MQ-SQ correlation has been demonstrated by either selective pulses in homo-nuclear spin systems in isotropic and weakly orienting chiral media or by nonselective pulses in hetero-nuclear spin systems in ... -
Studies On Polymer Hydrogel Electrolytes For Application In Electrochemical Capacitors And Direct Borohydride Fuel Cells
(2010-07-26)In recent years, electrochemical capacitors have emerged as devices with the potential to enable major advances in electrical energy storage. Electrochemical capacitors (ECs) are akin to conventional capacitors but employ ... -
Investigation Of Electronic Structure Of Transition Metal Oxides Exhibiting Metal-insulator Transitions And Related Phenomena
(2010-07-26)Transition metal oxides have proven to be a fertile research area for condensed matter physicists due to the fascinating array of superconducting, magnetic and electronic properties they exhibit. A particular resurgence ... -
Understanding The Growth And Properties Of Functional Inorganic Nanostructures : An Interfacial Approach
(2010-07-23)Surfaces and interfaces are of fundamental importance from the nucleation to growth of crystals formed under different conditions such as vapor phase, liquid phase including biomineralisation conditions. Recently there is ... -
Enantioselective Total Synthesis Of Bioactive Epoxyquinoid Natural Products
(2010-07-23)Total synthesis of natural products with diverse architecture and varying degree of complexity is an area that has not only inspired and attracted several generations of organic chemists but also continues to enrich and ... -
Synthesis And Studies Of Perovskite Nanostructures
(2010-07-23)The group of materials with ABO3 type perovskite structure are very important due to their attractive electrical and magnetic properties for technological applications and have been studied in the form of single crystals, ... -
Chiral Bisphosphinites For Asymmetric Catalysis
(2010-07-21)Chiral bisphosphinites are well-documented alternatives for chiral bisphosphines as ligands that can be exploited in various asymmpetric syntheses. Particularly, vicinal biarylphophinite ligands give a seven membered chelate ... -
Vapour Pressure Studies Of Precursors And Atomic Layer Deposition Of Titanium Oxides
(2010-07-16)This thesis describes the deposition of thin films of titanium oxide and Magnéli phases of titanium oxide by atomic layer deposition (ALD) using a novel β-ketoesterate precursor. Titanium oxide is a promising candidate for ...