Faculty Publications (CPMU): Recent submissions

Now showing items 61-80 of 214

Spray Coating of Crack Templates for the Fabrication of Transparent Conductors and Heaters on Flat and Curved Surfaces

Gupta, Ritu; Rao, K. D. M.; Srivastava, Kartikeya; Kumar, Ankush; Kiruthika, S.; Kulkarni, G. U. (American Chemical Society, 2014)

Transparent conducting electrodes (TCEs) have been made on flat, flexible, and curved surfaces, following a crack template method in which a desired surface was uniformly spray-coated with a crackle precursor (CP) and metal ...
Outdoor Operational Stability of Indium-Free Flexible Polymer Solar Modules Over 1 Year Studied in India, Holland, and Denmark

Angmo, Dechan; Sommeling, Paul M.; Gupta, Ritu; Hosel, Markus; Gevorgyan, Suren A.; Kroon, Jan M.; Kulkarni, G. U.; Krebs, Frederik C. (Wiley-V C H Verlag Gmbh, 2014)

We present an outdoor interlaboratory stability study of fully printed and coated indium-tin-oxide (ITO)-free polymer solar cell modules in JNCASR Bangalore (India), ECN (Holland), and DTU (Denmark) carried over more than ...
Metal wire network based transparent conducting electrodes fabricated using interconnected crackled layer as template

Kiruthika, S.; Rao, K. D. M.; Kumar, Ankush; Gupta, Ritu; Kulkarni, G. U. (IoP Publishing Ltd, 2014)

A metal (Au) wire network, nearly invisible to the naked eye, has been realized on common substrates such as glass, to serve as a transparent conducting electrode (TCE). The process involves coating a TiO2 nanoparticle ...
Metal-organic molecular device for non-volatile memory storage

Radha, B.; Sagade, Abhay A.; Kulkarni, G. U. (American Institute of Physics, 2014)

Non-volatile memory devices have been of immense research interest for their use in active memory storage in powered off-state of electronic chips. In literature, various molecules and metal compounds have been investigated ...
Nanocrystalline Ag microflowers as a versatile SERS platform

Mettela, Gangaiah; Siddhanta, Soumik; Narayana, Chandrabhas; Kulkarni, G. U. (Royal Society of Chemistry, 2014)

In this paper, the synthesis of Ag microflowers for use as manipulable and reusable substrates in surface enhanced Raman spectroscopy (SERS) is demonstrated, working with ultra-low volumes of the analyte. Flower-like AgBr ...
Solution processed large area fabrication of Ag patterns as electrodes for flexible heaters, electrochromics and organic solar cells

Gupta, Ritu; Walia, Sunil; Hosel, Markus; Jensen, Jacob; Angmo, Dechan; Krebs, Frederik C.; Kulkarni, G. U. (Royal Society of Chemistry, 2014)

A simple method for producing patterned Ag electrodes on transparent and flexible substrates is reported. The process makes use of a laser printed toner as a sacrificial template for an organic precursor, which upon ...
Nanocarbon-Scanning Probe Microscopy Synergy: Fundamental Aspects to Nanoscale Devices

Kurra, Narendra; Reifenberger, Ronald G.; Kulkarni, G. U. (American Chemical Society, 2014)

Scanning probe techniques scanning tunneling microscopy (STM) and atomic force microscopy (AFM) have emerged as unique local probes for imaging, manipulation, and modification of surfaces at the nanoscale. Exercising the ...
A cracked polymer templated metal network as a transparent conducting electrode for ITO-free organic solar cells

Rao, K. D. M.; Hunger, Christoph; Gupta, Ritu; Kulkarni, G. U.; Thelakkat, Mukundan (Royal Society of Chemistry, 2014)

We report a highly transparent, low resistance Ag metal network templated by a cracked polymer thin film and its incorporation in an organic solar cell. The performance of this scalable metallic network is comparable to ...
Self-stabilized Pt-Rh bimetallic nanoclusters as durable electrocatalysts for dioxygen reduction in PEM fuel cells

Narayanamoorthy, B.; Datta, K. K. R.; Eswaramoorthy, M.; Balaji, S. (Royal Society of Chemistry, 2014)

Self-stabilized Pt-Rh nanoclusters (NCs) were prepared by using a surfactant-free chemical reduction method with formic acid as the reducing agent. The elemental composition was determined by EDX analysis. The synthesized ...
Glucose- and pH-Responsive Charge-Reversal Surfaces

Kumar, B. V. V. S. Pavan; Salikolimi, Krishnachary; Eswaramoorthy, M. (American Chemical Society, 2014)

We have shown a pH- and glucose-responsive charge reversal on silica surface through heterogeneous functionalization utilizing amines and boronic acid moieties. The dual responsiveness of the charge reversal has been ...
Quantitative Prediction of Physical Properties of Imidazolium Based Room Temperature Ionic Liquids through Determination of Condensed Phase Site Charges: A Refined Force Field

Mondal, Anirban; Balasubramanian, Sundaram (American Chemical Society, 2014)

Quantitative prediction of physical properties of room temperature ionic liquids through nonpolarizable force field based molecular dynamics simulations is a challenging task. The challenge lies in the fact that mean ion ...
Supramolecular Polymerization of Benzene-1,3,5-tricarboxamide: A Molecular Dynamics Simulation Study

Bejagam, Karteek K.; Fiorin, Giacomo; Klein, Michael L.; Balasubramanian, Sundaram (American Chemical Society, 2014)

Supramolecular polymerization in the family of benzene-1,3,5-tricarboxamide (BTA) has been investigated using atomistic molecular dynamics (MD) simulations. Gas phase calculations using a nonpolarizable force field reproduce ...
Carbonic acid: molecule, crystal and aqueous solution

Reddy, Sandeep K.; Balasubramanian, Sundaram (Royal Society of Chemistry, 2014)

Carbonic acid (CA) is a crucial species in the equilibrium between carbon dioxide, water and many minerals. Yet many of its properties have either not been studied at all, or have been misunderstood. Its short lifetime in ...
Intermolecular structure in tri-n-butyl phosphate/n-octane mixtures: a molecular dynamics simulation study

Mondal, Anirban; Balasubramanian, Sundaram (Indian Academy of Sciences, 2014)

Tri-n-butyl phosphate (TBP) is an important extractant for heavy metal ions. The microscopic structure of TBP/n-octane mixtures as a function of concentration of TBP is examined through atomistic molecular dynamics ...
Charge-transfer complexation between naphthalene diimides and aromatic solvents

Kulkarni, Chidambar; Periyasamy, Ganga; Balasubramanian, Sundaram; George, Subi Jacob (Royal Society of Chemistry, 2014)

Naphthalene diimides (NDIs) form emissive ground-state charge-transfer (CT) complexes with various electron rich aromatic solvents like benzene, o-xylene and mesitylene. TD-DFT calculation of the complexes suggests CT ...
A Molecular Dynamics Study of Collective Transport Properties of Imidazolium-Based Room-Temperature Ionic Liquids

Mondal, Anirban; Balasubramanian, Sundaram (American Chemical Society, 2014)

Transport properties of five room-temperature ionic liquids based on the 1-butyl-3-methylimidazolium cation with any of the following anions, [PF6](-), [BF4](-), [CF3SO3](-), [NTf2](-), and [NO3](-), were determined from ...
Effect of cation symmetry on the organization of ionic liquids near a charged mica surface

Payal, Rajdeep Singh; Balasubramanian, Sundaram (IoP Publishing Ltd, 2014)

Atomistic molecular dynamics simulations have been carried out to understand the effect of the symmetry of cations on the microscopic organization of ionic liquids near a charged mica surface. Ionic liquids with a ...
Dissolution of cellulose in ionic liquids: an ab initio molecular dynamics simulation study

Payal, Rajdeep Singh; Balasubramanian, Sundaram (Royal Society of Chemistry, 2014)

Interactions determining the dissolution of a monomer of beta-cellulose, i.e., cellobiose in a room temperature ionic liquid, [Emim][OAc], have been studied using ab initio molecular dynamics simulations. Although anions ...
Elucidating the interaction of H2O2 with polar amino acids - Quantum chemical calculations

Karmakar, Tarak; Balasubramanian, Sundaram (Elsevier Science Bv, 2014)

Quantum chemical calculations have been carried out to investigate the interaction motifs of H2O2 with polar amino acid residues. Binding energies obtained from gas phase and continuum solvent phase calculations range ...
Novel features of multiferroic and magnetoelectric ferrites and chromites exhibiting magnetically driven ferroelectricity

Saha, Rana; Sundaresan, A.; Rao, C. N. R. (Royal Society of Chemistry, 2014)

A few oxides such as YMnO3, TbMnO3, YMn2O5 and BiFeO3 constituted the small family of well-characterized multiferroics until recently, but this area of research has been enlarged significantly due to the advent of a novel ...

Now showing items 61-80 of 214

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