Browsing Division of Chemical Sciences by Title
Now showing items 812-831 of 1469
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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 ... -
Quadratic Optical Nonlinearity And Geometry Of 1:1 Electron Donor Acceptor Complexes In Solution
(2010-06-04)The knowledge of geometry of molecular complexes formed via molecular association in solution through weak interactions is always important to understand the origin of stability and function of an array of molecules, ... -
Quantum Phases and Magnetization Plateaus of Skewed Spin Ladders
This thesis deals with theoretical studies of skewed spin ladders which are two legged ladder with periodic slanted rung bonds and can be viewed as periodic fused rings with two different number of vertices. The spin at ... -
Quest for New Chalcopyrite Semiconductors for Photodetector Applications
Photodetectors are widely used as image sensors, in optical communication, remote sensing etc. IR detectors find widespread applications in night vision cameras and medical diagnostics. In this thesis a new chalcopyrite ... -
Quinone studies
CHAPTER I First chapter contains a brief review on the oxidation-reduction potentials of quinones. Various factors like resonance energy, substituents, solvents and pH of the medium that influence the oxidation-reduction ... -
Radical and Lewis Acid Mediated Syntheses of Panaginsene, Indole-Fused Azabicyclo[3.3.1]Nonane and Davanoids
The thesis contains radical and Lewis acid-mediated syntheses of panaginsene, indole-fused azabicyclo[3.3.1]nonanes, and davanoids. The thesis includes three chapters; chapter-I contains the total synthesis of panaginsene, ... -
Radical cyclisation routes to terpenes and furans
The thesis entitled “Radical Cyclisation Routes to Terpenes and Furans” consists of three chapters. Chapter I This chapter describes various aspects of radical cyclisation reactions (eq. 1) along with examples of their ... -
Radiotracer and soliometric investigations
The thesis consists of two parts: the first part deals with a radiotracer study of the source of sulphur pick?up in manganese deposits obtained from a manganous sulphate (0.2 M) – ammonium sulphate (1.0 M) bath containing ... -
Raman and IR Spectroscopic Studies of Bacteria, Endotoxin, DNA and Lipoproteins
In the past few decades, vibrational spectroscopy has emerged as a powerful technique in biomedical research. Raman and IR spectroscopy, which are based on signatures specific to molecular vibrations, has found a wide ... -
Raman Spectroscopy Applications to High Energy Materials
(2018-01-28)Detection of explosives has always been a challenging issue all over the world. Different analytical techniques and instrumentation methods have been explored to obtain a 100% fail proof detector. Some technologies have ... -
Rapid Scan White Light Two-Dimensional Electronic Spectroscopy on Artificial Light Harvesting Nanotubes
Relaxation of electronically excited states across various systems, ranging from biological proteins to emerging energy materials, carries fundamental importance because it dictates the eventual fate of photoexcitations. ... -
Rational Design Facile Synthesis of Boryl Anilines : Intriguing Aggregation Induced Emission and External Stimuli Responsive Properties
(2018-07-26)The main thrust of this thesis is the development of facile synthetic routes for simple boryl anilines and study their structure-property correlations in both solid and solution states and to utilize this information to ... -
Rational Design of Advanced Hybrid Nanostructures for Catalysis and Electrocatalysis
(2017-11-28)The hybrid nanostructures exhibit excellent performances in various fields such as catalysis, sensing, and energy conversion as compared to their individual ones. The thesis deals with the new methods for the synthesis of ... -
Rational Design of Diketopyrrolopyrrole-Based Conjugated Polymers for Ambipolar Charge Transport
(2018-04-12)The present thesis is focused on the rational design of Diketopyrrolopyrrole based π- conjugated polymers for organic electronics. The thesis is organized into six different chapters and a brief description of the individual ... -
Rational Design of Efficient Catalysts using First-Principles and Machine Learning
Rising concerns about the impending energy crisis and environmental impact have garnered tremendous research interest in developing catalysts for sustainable fuel production and pollution abatement. However, the traditional ... -
Rational Designing of Bifunctional Electrocatalysts for Electrochemical Energy Conversion and Storage Devices
Depleting fossil fuels, increasing environmental concerned and looming energy crisis motivates researcher around the globe to explore some of the possible eco-friendly energy alternative resources. Among various available ... -
Rational Synthesis, Stabilization, and Functional Properties of Metal and Intermetallic Nanoparticles
(2018-04-11)The confluence of intriguing size and morphology dependent optical and chemical properties with versatile application in various fields, such as energetic and magnetic makes monometallic nonmaterial of high fundamental ... -
Reaction of 2- heterosubstituted oxiranes and some other studies.
The object of the present investigation is the study of the synthetic and mechanistic aspects of the rearrangement of 2?halooxiranes to ??halocarbonyl compounds. The thesis entitled “Reactions of 2?Heterosubstituted Oxiranes ... -
Reactions of vinamidines and benzotropones and dynamic processes in norbornene-7-ols
The research described in this thesis, entitled “Reactions of Vinamidines and Benzotropones and Dynamic Processes in Norbornen-7-ols”, reflects the diversified interests of the work that is being carried out in these ...