Division of Chemical Sciences: Recent submissions
Now showing items 421-440 of 969
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NMR based Studies and Applications of Molecular Interactions : From Small Moleculecules to Bio-nanoconjugates
(2018-06-13)The work described in this thesis involves the study of weak interactions by NMR spectroscopy and using them to develop novel applications. The two different applications chosen are i) using molecular interactions for ... -
Triarylborane-BODIPY Conjugates : White Light Emission, Multi-color Cell Imaging and Small Molecule Based Solar Cells
(2018-06-13)Luminescent boron containing materials find numerous applications in modern technologies such as display/lighting, bio-imaging and sensing. Thus, investigations of structure-property relationships in organic luminescent ... -
Hybrid Nanostructured Materials from Bile Acid Derived Supramolecular Gels
(2018-06-13)Research activities towards the self-assembly of small organic molecules building blocks which lead to form supramolecular gel has increased extensively during the past two decades. The fundamental investigations of the ... -
Design and Development of Metal-free Cross Dehydrogenative Coupling Reactions for the Construction of C-S, C-O and C-C bonds
(2018-06-13)The thesis entitled “Design and Development of Metal-Free Cross Dehydrogenative Coupling Reactions for the construction of C-S, C-O and C-C bonds” is divided into three Chapters. Chapter 1 is presented in five parts, which ... -
Maleimide Based Materials for Organic Light-Emitting Diodes (OLEDs)
(2018-06-11)Maleimide based highly luminescent material Cbz-MI with donor acceptor donor (D-A-D) backbone has been synthesized and characterized. An organic light emitting diode fabricated using this material as emitting layer exhibited ... -
Mechanistic Understanding of Growth and Directed Assembly of Nanomaterials
(2018-06-11)When materials approach the size of few nanometers, they show properties which are significantly different from their bulk counterpart. Such unique/improved properties make them potential candidate for several emerging ... -
Study on Self-Assembly of Fullerenes and Biopolymers
(2018-06-08)The understanding of self-assembly processes is important for fabrication of well-defined structures with new functionalities for applications in the area of biomedical sciences, material sciences and electronics. In this ... -
Photophysical Properties of Manganese Doped Semiconductor Nanocrystals
(2018-06-08)Electronic and optical properties of semiconducting nanocrystals, that can be engineered and manipulated by various ways like varying size, shape, composition, structure, has been a subject of intense research for more ... -
Solution-Processed Optoelectronic Devices Based on Colloidal Semiconductor Nanostructures for Photodetection
(2018-06-08)Miniaturisation of electronic and optoelectronic devices have enabled the realization of system-on-a-chip technology in modern image sensors, where the photo sensor arrays and the corresponding signal processing circuitry ... -
Controlling Stereochemistry at the Quaternary Center using Bifunctional (THIO)Urea Catalysis
(2018-06-05)The thesis entitled “Controlling Stereochemistry at the Quaternary Center Using Bifunctional (Thio)urea Catalysis” is divided into five chapters. Chapter 1: Catalytic Enantioselective Construction of Quaternary Stereocenters ... -
Studies of Poly(Propyl Ether Imine) Dendrimers as Synthetic SiRNA Delivery Vectors with Relevance to Hepatitis C Virus Inhibition
(2018-06-05)Dendrimers are synthetic macromolecules with branches-upon-branches structures, nanoscale dimensions and a high density of surface groups. Presence of multiple cationic sites in dendrimers permits their efficient nucleic ... -
Probing Mechanical Properties Of Molecular Crystals with Nanoindentation : Applications to Crystal Engineering
(2018-06-05)Crystal engineering is widely applied in the design of new solids with desired physical and chemical properties based on an understanding of intermolecular interactions in terms of crystal packing. The understanding of ... -
Self-Assembly and Cytotoxic Activity of Homometallic and Heterometallic Coordination Architectures
(2018-05-29)The alluring order in which complex biological networks exist in nature stimulated the interest of chemists to replicate such systems synthetically. With such examples as the deoxyribonucleic acid (DNA) double helix and ... -
Synthesis and Applications of Size and Shape Controlled Magnetic Oxide Particles for Magnetorheological Fluids
(2018-05-25)Magnetorheological fluids (MRFs) are non-colloidal stable suspensions of polarizable mesoscale soft magnetic particles, usually metallic Fe-particles, in a carrier liquid such as oil or water; the solidity of which can be ... -
Ultrafast Raman Loss Spectroscopic Investigations of Excited State Structural Dynamics of Bis(phenylethynyl)benzene and trans-Stilbene
(2018-05-25)The subject of this thesis is the design and development of a unified set up for femtosecond transient absorption and ultrafast Raman loss spectroscopy and demonstrate its potential in capturing the ultrafast photophysical ... -
Stress and Microstructural Evolution During the Growth of Transition Metal Oxide Thin Films by PVD
(2018-05-23)System on Chip (SoC) and System in Package (SiP) are two electronic technologies that involve integrating multiple functionalities onto a single platform. When the platform is a single wafer, as in SOC, it requires the ... -
Development of Polyethylene Grafted Graphene Oxide Reinforced High Density Polyethylene Bionanocomposites
(2018-05-22)The uniform dispersion of the nano fillers without agglomeration in a polymeric matrix is widely adapted for the purpose of mechanical properties enhancement. In the context to biomedical applications, the type and amount ... -
Theoretical Investigation of OPTO-Electronic Processes in Organic Conjugated Systems Within Interacting Models : Exact Diagonalization and DMRG Studies
(2018-05-21)The present thesis deals with a theoretical study of electronic structures in -conjugated molecular materials with focus on their application in organic elec-tronics. We also discuss a modified and efficient symmetrized ... -
Electrocatalytic Studies Using Layered Transition Metal Thiphosphates, Metal Chalcogenides and Polymers
(2018-05-21)The ever increasing demand for energy due to over consumption of non-renewable fossil fuels has emphasized the need for alternate, sustainable and efficient energy conversion and storage systems. In this direction, ... -
Study of Diverse Chemical Problems by NMR and the Design of Novel Two Dimensional Techniques
(2018-05-18)The research work reported in this thesis is focused on the chiral analysis, quantification of enantiomeric composition, assignment of absolute configuration of molecules with chosen functional groups. The weak intra-molecular ...