Division of Chemical Sciences: Recent submissions
Now showing items 381-400 of 1541
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Novel layered and network metal oxides: synthesis and characterization.
The present investigation shows that reaction of electropositive metal iodides with the transition-metal oxides containing reducible cations affords a novel route for the synthesis of oxide bronzes as well as lower valence ... -
Electronic structure and Photophysical study of semiconducting nanocrystallites
Sizable photocurrent was observed from the CdS-4.5 and CdS-2.2 nanocrystalline films, although the EL efficiency was weak. The I-V characteristic of CdS-4.5 and CdS-2.2 has a typical diode behavior with the onset voltage ... -
Transport properties of binary mixture
In this paper, we have presented molecular dynamics (MD) simulations and mode coupling theory (MCT) calculations of the composition dependence of viscosity in binary mixtures. We have proposed two models to capture the ... -
Synthetic investigation in steroids
The thesis entitled “Synthetic Investigations in Steroids” consists of four chapters. Chapter I is a brief review on the total synthesis of aromatic steroids. The problems associated with the development of the total ... -
In vivo and in vitri biotransformation of terpenoids in rats
Terpenoids are ubiquitous in nature and living systems are exposed to these compounds. Although the metabolism of these compounds in mammals has been studied since the beginning of the century, the exhaustive investigation ... -
Studies on synthetic methods
Conversion of amidomethyl function into aldehyde group Amidomethylated aromatic derivatives on treatment with N-bromosuccinimide produced the corresponding aromatic aldehydes in good yields. Attempted introduction of ... -
Studies in terpenns dyhydrogenation studies of abietic acid woth tetrachloro-o-Benzo quinone and a novel route
The thesis entitled "Studies in Terpenes - Dehydrogenation studies of abietic acid with tetrachloro-o-benzoquinone and a novel route to the synthesis of (I) methyl dehydroabietate and (II) methyl 13-methoxydeisopropyldeh ... -
Studies on black damar
The work embodied in this thesis has been broadly classified into four chapters. Chapter I contains a short introduction to the natural resins and resin oils, briefly summarizing their history and romantic establishment ... -
Supramolecular assemblies of bile acid derivatives
In the early literature, self-associative behaviors of bile acids and bile acid salts were known. Owing to their amphiphilic nature, bile acids can form supramolecular self-assemblies in the form of micelles, helical ... -
Studies on Advanced Soluble Lead Redox Flow Batteries: Concepts to Contexts
Redox flow batteries (RFBs) offer to make renewable energy storage more affordable, alongside accelerating opportunities for utility-scale development of solar/wind energy storage. Redox flow batteries (RFBs) have many ... -
Tuning Electrical and Thermoelectric Properties of Molecular Junctions by External Stimuli: From Monolayers of Molecules to Amorphous Polymer Thin Films
Molecular electronics explores electronic functionality at the sub-nanometer scale by utilizing individual molecules as active components. The molecules provide unique advantages such as extreme miniaturization, chemical ... -
Synthesis, Structure, and Properties of Inorganic Oxides
A wide variety of oxide materials (based on rock salt, spinel, corundum, perovskite, garnet, and pyrochlore) have highly adaptable structures, and their properties can easily be modified by suitable substitutions at various ... -
Disulphonamides of aryl and aralkyl disubstituted amines and hydrazines
The present thesis consists of four parts. They deal with the synthesis of the disulphonamides of diphenylamine, phenylbenzylamine, dibenzylamine, diphenylhydrazine and dibenzylhydrazine and their starting materials. Part ... -
Studies in sulphanilamides
The present thesis consists of three parts (each part being divided into further sub-sections) preceded by a General introductory article on “Sulphonamides”. Under the heading of “Sulphonamides” various aspects of problems ... -
Isolation of anthracene phenanthrene and carbazole from anthracene oil from Indian source
Anthracene oil was first distilled in a single lot up to 360°C, and the total quantity of solids that separated out on cooling at ordinary temperature (room temperature), and on cooling at 0°C for a week and for a month ... -
On new sulphanilamide drugs : N1-substituted sulphanilamide derivatives of S-alkylisothioureas and S-alkylisothiosemicarbazides
The present thesis consists of three parts, all of them dealing generally with synthetic drugs consisting of N?-substituted sulphanilamide derivatives of S-alkyl-isothioureas and S-alkyl-isothiosemicarbazides. Part I This ... -
Density matrix renormalization group studies of low-dimensional magnetic systems and conjugated polymers
To conclude, we have performed symmetrized DMRG calculations on the extended Hubbard–Peierls model. We have presented the dependences of exciton binding energy both on alternation ? and nearest-neighbor interaction parameter ... -
Extensions of mode coupling theory to study diffusion and viscosity and applications to chemical dynamics
In this chapter, the existing mode coupling theory [14] has been extended to calculate the diffusion of a tagged molecule and to study the dynamics of a neat liquid. It has been shown that in the earlier theory the definition ...