Division of Chemical Sciences: Recent submissions
Now showing items 601-620 of 969
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Semipolar And Nonpolar Group III-Nitride Heterostructures By Plasma-Assisted Molecular Beam Epitaxy
(2015-09-08)Group III-nitride semiconductors are well suited for the fabrication of devices including visible-ultraviolet light emitting diodes, high-temperature and high-frequency devices. The wurtzite III-nitride based heterostructures ... -
Investigation Of Ion Transport Mechanism In Succinonitrile Based Plastic Crystalline Electrolytes
(2015-08-18)The present thesis deals in detail the influence of solvent dynamics and solvation on ion transport in succinonitrile based plastic crystalline electrolytes. The main objective of correlating plastic solvent characteristics ... -
Modeling Electronic Properties Of Strongly Correlated Conjugated Molecular Systems
(2015-08-17)Organic conjugated systems are attractive because of wide range of applications, which includes stimulated emission from -conjugated polymers, optical switches, organic solar cells and organic light emitting diodes, to ... -
Study Of Relaxor Ferroelectric PMN-PT Thin Films For Energy Harvesting Applications
(2015-08-06)The present research work mainly focuses on the fabrication of 0.85PMN-0.15PT thin film relaxor ferroelectrics for energy harvesting applications. Chapter 1 gives a brief review about why energy harvesting is required ... -
Group III Nitride/p-Silicon Heterojunctions By Plasma Assisted Molecular Beam Epitaxy
(2015-07-24)The present work focuses on the growth and characterizations of GaN and InN layers and nanostructures on p-Si(100) and p-Si(111) substrates by plasma-assisted molecular beam epitaxy and the studies of GaN/p-Si and InN/p-Si ... -
Design And Synthesis Of Donor-Acceptor (D-A) Organic Semiconductors : Applications In Field Effect Transistors And Photovoltaics
(2015-07-16)The present thesis is focused on rational design and synthesis of π-conjugated donor-acceptor (D-A) type oligomers and polymers. It is organized in six different chapters and a brief discussion on the content of the ... -
From Synthesis To Applications Of Pristine And Nitrogen-Doped Carbon Nanotubes
(2015-07-13)Carbon nanotubes (CNTs) are well known as excellent electrical conductors. However, their transport properties are limited by electrical breakdown in ambient. Moreover, the electronic properties can further be modulated ... -
Ultrafast Raman Loss Spectroscopy (URLS)
(2015-02-05)Contemporary laser research involves the development of spectroscopic techniques to understand the microscopic structural aspects of a simple molecular system in chemical and materials to more complex biological systems ... -
Investigations Of Graphene, Noble Metal Nanoparticles And Related Nanomaterials
(2015-02-04)The thesis consists of four parts of which part 1 presents a brief overview of nanomaterials. Parts 2, 3 and 4 contain results of investigations of graphene, nanofilms of noble metal nanoparticles and ZnO nanostructures ... -
Design And Synthesis Of Bile Acid Derived Oligomers And Study Of Their Aggregation And Potential Applications
(2015-01-14)Chapter 1: Amphiphilic self-assembled systems as nanocarriers Nanocarriers are the nanometric size molecular assemblies that are used for the transport of small molecules into their non-solvating environments. These ... -
Studies On Lanthanide Complexes Showing Photo-activated DNA Cleavage And Anticancer Activity
(2015-01-08)This thesis work deals with different aspects of the chemistry of La(III) and Gd(III) complexes, their interaction with DNA and proteins, photo-induced cleavage of double-stranded DNA, photocytotoxic effect on cancer cells, ... -
Real-Time DMRG Dynamics Of Spin And Charge Transport In Low-Dimensional Strongly Correlated Fermionic Systems
(2014-12-11)This thesis deals with out-of-equilibrium transport phenomena in strongly correlated low-dimensional fermionic systems, with special emphasis on π-conjugated molecular materials. The focus of this work is to study real-time ... -
Synthesis And Environmental Applications Of Polyaniline And Its Nanocomposites
(2014-11-20)The present thesis is focused on the synthesis and environmental applications of polyaniline and its nanocomposites. It is organized in six chapters and brief discussions of the contents of the individual chapters are given ... -
Group III-Nitride Epi And Nanostructures On Si(111) By Molecular Beam Epitaxy
(2014-11-18)The present work has been focused on the growth of Group III-nitride epitaxial layers and nanostructures on Si (111) substrates by plasma-assisted molecular beam epitaxy. Silicon is regarded as a promising substrate for ... -
Controlled Nucleation, Growth And Directed Assembly Of Nanocrystals With Engineered Interfaces For Applications
(2014-11-14)Controlling the morphology of nanocrystals provides provides a possible pathway to tune properties and hence has been explored in depth. However, to obtain a wider spectrum of properties or for multi-functionality. Other ... -
Rotational Specroscopic And Theoretical Investigations Of Non-conventional Hydrogen Bonds
(2014-11-12)The nature of interactions within a molecule, i.e. chemical bonding, is well understood today. However, our understanding about intermolecular interactions, which has great relevance in nature, is still evolving. Historically ... -
Graphene Nanostructures : A Theoretical Study Of Electronic, Magnetic And Structural Properties
(2014-09-26)Graphene is a single layer of carbon atoms arranged in honeycomb lattice. Over a long period of time it was treated as a hypothetical material to understand the properties of other allotropes of carbon, such as graphite, ... -
Mechanism Of The Benzoin Condensation And Related Studies
(2014-09-22)Chapter 1: An assessment of the mechanism of the benzoin condensation. The reaction under non-hydroxylic conditions. The generally accepted mechanism for the well known benzion condensation is unviable for the following ...