Division of Chemical Sciences: Recent submissions
Now showing items 881-900 of 936
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Investigations Of Open-Framework Metal Phosphates, Phosphites And Phosphite-Oxalate Materials
(2009-05-19)Open-framework inorganic materials constitute an important area of study in materials chemistry, because of their potential applications in areas such as sorption and catalysis. After the discovery of nanoporous aluminium ... -
Theoretical And Computer Simulation Studies Of Vibrational Phase Relaxation In Molecular Liquids
(2009-05-18)In this thesis, theoretical and computer simulation studies of vibrational phase relaxation in various molecular liquids are presented. That includes liquid nitrogen, both along the coexistence line and the critical isochore, ... -
Soft Materials Derived From Bile Acid Analogues
(2009-05-06)Chapter 1. Introduction This chapter is an overview on the literature of self-association of small organic molecules. The chapter is presented in four parts. First, an introduction to aggregation of small molecules is ... -
Structure, Organization And Phase Transitions In Anchored Alkyl Chain Bilayers In Layered Organic-Inorganic Hybrids
(2009-04-09)This thesis deals with the conformation and phase-transitions in anchored alkyl chain bilayer assemblies in organic-inorganic hybrids. The alkyl chain bilayers in organic-inorganic hybrids bear a striking resemblances to ... -
Functional Derivatives Of MEHPPV Using The Dithiocarbamate Precursor Route
(2009-04-02)Emissive conjugated polymers, namely PPV, PPP, polyfluorenes, etc, have gained considerable attention in recent times, specifically because of their potential application in the fields of PLED’s, displays, FET’s and ... -
Norbornyl System Revisited : Exploring A Versatile Building Block For The Syntheses Of Natural Products And Analogues
(2009-03-11)Carbohydrates are ubiquitous and important biomolecules. Initially thought to be dull, energy storing moieties, the importance of carbohydrates and their conjugates, glycoproteins and glycopilids, in cellular communication ... -
Studies On Direct Methanol And Direct Borohydride Fuel Cells
(2009-03-09)A fuel cell is an electrochemical power source with advantages of both the combustion engine and the battery. Like a combustion engine, a fuel cell will run as long as it is provided fuel; and like a battery, fuel cells ... -
Multilayers And Artificial Superlattices Of Lead Magnesium Niobate-Lead Titanate Based Relaxors
(2009-03-05)The present research work mainly focuses on fabrication of compositionally modulated multilayers of (l−x) Pb(Mgi/3N2/3)O3 - x PbTiO3 (PMNPT) through multi target pulsed laser ablation technique. Heterostructures like ... -
Growth Kinetics And Electronic Properties Of Semiconducting Nanocrystals In The Quantum Confined Regime
(2009-03-04)Properties of nanocrystals are extremely sensitive to their sizes when their sizes are smaller or of the order of the excitonic diameter due to the quantum confinement effect. The interest in this field has been concentrated ... -
Dielectric Titanate Ceramics : Contributions From Uncommon Substituents And Microstructural Modifications
(2009-03-02)This thesis deals with the investigations on the dielectric properties of polycrystalline ceramics having uncommon substitutions in barium titanate and other related phases of BaTiO3-CaTiO3, MgTiO3-CaTiO3 and MgTiO3-BaTiO3 ... -
Ireland-Claisen Rearrangement Based Strategy To Sesquiterpenes Containing Vicinal Quaternary Carbon Atoms
(2009-03-02)Among Nature's creation, terpenoids are more versatile and exciting natural products. In a remarkable display of synthetic ingenuity and creativity, nature has endowed terpenes with a bewildering array of carbocyclic ... -
A Total Synthesis Of Novel Sesquiterpenoid Natural Product ( ±)-Merrilactone A And A Study Of π-Face Selectivity In Additions To Trigonal Carbon Centers In Iso-Steric Environments
(2008-10-14)Natural product synthesis has been a most exciting and challenging branch of organic chemistry in view of its creative power and unlimited scope. Natural product synthesis witnessed an unprecedented growth and innovative ... -
Theoretical Investigations On A Few Biomolecular Rate Processes
(2008-10-14)Traditional topics such as physics, chemistry and mathematics have immensely changed the world in the twentieth century, but the twenty-first century seems to be that of soft condensed matter physics, which has already ... -
Investigations Of Open-Framework Metal Carboxylates, Sulfates And Related Materials
(2008-10-13)Open-framework materials constitute an important area of study in materials chemistry, because of their potential applications in areas such as sorption and catalysis. Furthermore, these materials exhibit fascinating ... -
Quadratic Nonlinearity In Covalently And Non-Covalently Linked Molecules In Solution
(2008-10-01)This thesis deals with the investigation of the first hyperpolarizabilities (β) of a large number of molecules linked to other molecules either covalently or noncovalently. Chapter 1 gives a brief introduction to ... -
Organically-Templated Open-Framework And Hybrid Materials
(2008-01-25)Open-framework inorganic and inorganic-organic hybrid materials constitute an important area of study in materials chemistry, because of their potential applications in areas such as sorption and catalysis. Besides ... -
Chemistry Of Thio And Seleno Metallates In Organic Synthesis
(2007-12-29)Thio metallates are known for many years for their utility in many processes. They have been established as versatile reagents in organic synthesis. However the heavier metal chalcogenides, though known for many years, ... -
Charge-Transfer Associated Photoluminescence Of Rare-Earths Doped Oxide Phosphors
(2007-12-29)Luminescent materials can be found in a broad range of everyday applications. While in the seventies and eighties, the field of luminescent materials seemed to be fairly well covered, research in nineties has been revitalized ... -
Molecular Expression Through Fluorescence: Studies In Probe Design And Aggregation
(2007-12-29)The present thesis entitled, "Molecular expression through fluorescence: Studies in probe design and aggregation" describes very simple bi-functional donor-acceptor poly-aromatic fluorophores that have been shown to possess ... -
Synthesis Of Sesquiterpenes Containing Two Vicinal Quaternary Carbon Atoms
(2007-12-27)Among nature's creation, terpenoids are more versatile and exciting natural products. In a remarkable display of synthetic ingenuity and creativity, nature has endowed terpenes, more so sesquiterpenes, with a bewildering ...