Student Theses (CPMU): Recent submissions

  • Investigations of new methods of synthesis, phenomena and novel properties of nanocarbons and other nanomaterials 
    Voggu, Rakesh (Jawaharlal Nehru Centre for Advanced Scientific ResearchChemistry and Physics of Materials Unit (CPMU), 2010)
    This thesis consists of seven Chapters. Chapter 1 gives a brief overview of nanomaterials. Chapter 2 consists of two parts of which Part 1 describes efforts towards phase transfer of nanocrystals of gold and CdSe from ...
  • Au nanoparticle-PDMS composites and Pd nanowire gratings for applications in nanotechnology 
    Gupta, Ritu (Jawaharlal Nehru Centre for Advanced Scientific ResearchChemistry and Physics of Materials Unit (CPMU), 2010)
    The thesis titled Au Nanoparticle-PDMS composites and Pd nanowire gratings for applications in Nanotechnology is divided in 2 broad parts. Part 1 consists of synthesis, characterisation, properties and applications of ...
  • Study of ferromagnetism in nanostructured nonmagnetic inorganic materials 
    Kumar, Nitesh (Jawaharlal Nehru Centre for Advanced Scientific ResearchChemistry and Physics of Materials Unit (CPMU), 2010)
    This thesis consists of five chapters presenting magnetic properties of otherwise nonmagnetic inorganic nanomaterials which include nanoparticles, hollow spheres and doped nanoparticles. Chapter 1 gives a brief introduction ...
  • Polymer field effect transistor as a probe to study injection barriers and donor-acceptor interface 
    N V, Manohar Rao (Jawaharlal Nehru Centre for Advanced Scientific ResearchChemistry and Physics of Materials Unit (CPMU), 2010)
    The central theme of this thesis is on fabricating and studying (p-channel, n- channel and bilayer) field effect transistor (FET) devices under dark, steady state and transient illumination conditions. This thesis probes ...
  • Contributions to the chemistry of metal nitrides and inorganic nanomaterials 
    Gomathi, A. (Jawaharlal Nehru Centre for Advanced Scientific ResearchChemistry and Physics of Materials Unit (CPMU), 2010)
    This thesis consists of three parts. In Part 1 of the thesis, a simple and novel method for the synthesis of metal nitrides and oxynitrides in which urea is used as the nitrogen source is described. The various binary ...
  • Theoretical investigations of optical polarizations in chromophoric aggregates and nonlocal charge distributions in clusters 
    Datta, Ayan (Jawaharlal Nehru Centre for Advanced Scientific ResearchChemistry and Physics of Materials Unit (CPMU), 2006)
    Materials exhibiting large linear and nonlinear optical polarizations are a subject of great interest due to their many potential applications. In this thesis, I have investigated the factors that control such polarizations ...
  • Diverse applications of glucose derived functionalized carbon nanostructures 
    Jagadeesan, Dinesh (Jawaharlal Nehru Centre for Advanced Scientific ResearchChemistry and Physics of Materials Unit (CPMU), 2009)
    This thesis presents the diverse applications of carbon nanostructures which are rich in surface functional groups like –COOH, -CHO and –OH and are derived from glucose by hydrothermal route. Unlike other carbon materials, ...
  • Carbon nanotube field effect transistors and ferrofluids 
    Badhwar, Shruti (Jawaharlal Nehru Centre for Advanced Scientific ResearchChemistry and Physics of Materials Unit (CPMU), 2009)
    The thesis presents transport measurements of isolated single wall carbon nanotube field effect transistors (SWNTFETs), magnetic fluids and their derivatives independently and in combination. Some of the challenges that ...
  • Studies of photoelectric signals & molecular features of bacteriorhodopsin and electric-field induced patterns on polymer surfaces 
    N, Arun (Jawaharlal Nehru Centre for Advanced Scientific ResearchChemistry and Physics of Materials Unit (CPMU), 2010)
    The topics covering the optical activity, photoelectric signals and the effect of local electrostatic environment on the photophysical activity of a protein - retinal complex, Bacteriorhodopsin (bR) are described in the ...
  • Inelastic light scattering investigations on novel materials 
    Pradhan, Gopal Krushna (Jawaharlal Nehru Centre for Advanced Scientific ResearchChemistry and Physics of Materials Unit (CPMU), 2010)
    This thesis is unified more by the ubiquity and versatility of the use of inelastic light scattering (ILS) spectroscopy coupled with the two thermodynamic variables (pressure and temperature) within the realm of condensed ...
  • Conducting AFM based lithography for patterning and electrical characterization of nanomaterials 
    Vijaykumar, T. (Jawaharlal Nehru Centre for Advanced Scientific ResearchChemistry and Physics of Materials Unit (CPMU), 2008)
    The thesis pertains to investigations using conducting atomic force microscope (C-AFM), on nanopatterning Si and polymer surfaces and entrapping nanomaterials for electrical measurements. It is organized into seven ...
  • Structural, spectroscopic and charge density investigations of organic molecular crystals 
    Thomas, Reji (Jawaharlal Nehru Centre for Advanced Scientific ResearchChemistry and Physics of Materials Unit (CPMU), 2009)
    The thesis pertains to investigations on several organic crystal systeM.S. employing X-ray diffraction, photophysical measurements as well as the experimental charge density method. It consists of six chapters. Chapter ...
  • Chemical investigations of inorganic nanostructures 
    Kalyanikutty, K.P. (Jawaharlal Nehru Centre for Advanced Scientific ResearchChemistry and Physics of Materials Unit (CPMU), 2009)
    This thesis deals with the synthesis, characterization, growth and properties of inorganic nanomaterials such as the 1D nanostructures of metal oxides and chalcogenides, and the 2D nanostructures of metal chalcogenides in ...
  • Investigations of metal organic precursors as direct write electron beam resists and their nanopatterning for functional devices 
    T, Bhuvana (Jawaharlal Nehru Centre for Advanced Scientific ResearchChemistry and Physics of Materials Unit (CPMU), 2009)
    The word has its origin in Greek “nanos” or Latin “nanus”, meaning “Dwarf”. Nano refers to the power in 10−9 , simply, one billionth. Usually it is the length scale and therefore a nanometer, which is on the scale of ...
  • Ferroic materials: Synthesis, structure and properties 
    Mangalam, R.Vengadesh Kumara (Jawaharlal Nehru Centre for Advanced Scientific ResearchChemistry and Physics of Materials Unit (CPMU), 2009)
    A ferroic material is one which can, or can be conceived to, undergo one or more ferroic phase transitions. A phase transition is called a ferroic phase transition if: (a) it can be viewed as a nondisruptive modification ...
  • Investigations of ultrathin nanocrystalline metal films generated at the liquid-liquid interface 
    Agrawal, Ved Varun (Jawaharlal Nehru Centre for Advanced Scientific ResearchChemistry and Physics of Materials Unit (CPMU), 2008)
    The thesis presents the results of investigations on the preparation, characterization and organization of metal nanocrystals at the liquid-liquid interface, and exploring the formation of their mesoscopic assemblies. ...
  • Studies on graphene 
    Subrahmanyam, K.S. (Jawaharlal Nehru Centre for Advanced Scientific ResearchChemistry and Physics of Materials Unit (CPMU), 2008)
    Graphene has been synthesized by four different methods namely, pyrolysis of camphor under reducing conditions (CG), exfoliation of graphitic oxide (EG), conversion of nanodiamond (DG) and arc evaporation of graphite rod ...
  • Gas sensing and electrical properties of metal oxide nanostructures 
    Rout, Chandra Sekhar (Jawaharlal Nehru Centre for Advanced Scientific ResearchChemistry and Physics of Materials Unit (CPMU), 2008)
    This thesis consists of four parts of which Part-1 gives a brief overview of the synthesis, properties and applications of nanomaterials. Part-2 deals with the synthesis and characterization of different nanostructures ...
  • Theoretical investigations on cooperative phenomena in a few molecular and macromolecular systems. 
    Pal, Shrinwantu (Jawaharlal Nehru Centre for Advanced Scientific ResearchChemistry and Physics of Materials Unit (CPMU), 2008)
    In the present thesis, we have attempted to elucidate the nature of dipolar interactions, hydrogen bonding and charge transfer in various technologically promising molecules and their polymorphs and between certain large ...
  • Molecules Co-adsorbed on metal surfaces: Investigations using X-ray photoelectron spectroscopy 
    Vijayalakshmi, S. (Jawaharlal Nehru Centre for Advanced Scientific ResearchChemistry and Physics of Materials Unit (CPMU), 2002)
    Condensed phases-solids and liquids must have surfaces or interfaces. These surfaces exhibit some remarkable physical and chemical properties, which may significantly differ from those of the bulk [1]. The importance of ...

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