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Now showing items 1-20 of 192

Color-Tunable Cyano-Substituted Divinylene Arene Luminogens as Fluorescent π‑Gelators

Fátima Aparicio; Sandeep Cherumukkil; Ajayaghosh, Ayyappanpillai; Luis Sánchez (American Chemical Society, 2015-12-08)

: The synthesis of three cyano-substituted divinylene π- gelators is reported. The modulation of the color is achieved by placing the cyano groups in appropriate position of the conjugated backbone, thus modulating the ...
A facile formulation and excellent electromagnetic absorption of room temperature curable polyaniline nanofiber based inks

Nina Joseph; Jobin Varghese; Sebastian, Mailadil Thomas (The Royal Society of Chemistry, 2015-12-21)

A facile formulation of room temperature curable polyaniline nanofiber based absorbing inks has been developed. The polyaniline nanofiber and polyaniline nanofiber–graphite composite of 1 mm thickness exhibit average EMI ...
Effect of the Electric Field During Annealing of Organic Light Emitting Diodes for Improving its on/off Ratio

Sharma, R K; Katiyar, M; Rao, I V K; Narayanan Unni, K N; Deepak (Royal Society of Chemistry, 2016)

If an organic light emitting diode is to be used as part of a matrix addressed array, it should exhibit low reverse leakage current. In this paper we present a method to improve the on/off ratio of such a diode by ...
In Vitro and in Vivo Demonstration of Photodynamic Activity and Cytoplasm Imaging through TPE Nanoparticles

Jayaram, D T; Ramos-Romero, S; Shankar, B H; Garrido, C; Rubio, N; Sanched-cid, L; Gomez, S B; Balanco, J; Ramaiah, D (ACS Publication, 2016)

We synthesized novel tetraphenylethene (TPE) conjugates, which undergo unique self-assembly to form spherical nanoparticles that exhibited aggregation induced emission (AIE) in the near-infrared region. These nanoparticles ...
A study on the magnetic properties of Gd–Sr based low bandwidth manganites in their bulk and thin film forms and evidence for magnetization reversal in bulk Gd0.7Sr0.3MnO3

Lija, K J; Senoy Thomas; Anantharaman, M R (Elsevier, 2016)

A study on the magnetic properties of both bulk and thin film forms of charge ordered Gd–Sr manganites belonging to the series Gd1−xSrxMnO3 (x=0.3, 0.5, 0.6) was performed. In the case of bulk, it is found that the Gd ...
YIn0.9Mn0.1O3–ZnO nano-pigment exhibiting intense blue color with impressive solar reflectance

Sheethu Jose; Anaswara, J; Sourav Laha; Natarajan, S; Nishanth, K G; Reddy, M L P (Elsevier, 2016)

The current study reports on the synthesis and characterization of a new inorganic nano-pigment with an intense blue color and high solar radiation reflective properties (70%). The nano-pigment YIn0.9Mn0.1O3–ZnO was ...
Structural Phase Transitions of Syndiotactic Polystyrene upon the Guest Extraction Process

Shaiju, P; Bhoje Gowd, E (Wiley Online, 2016)

In this work, the effects of initial morphology/crystalline form and the guest molecules used for the preparation of syndiotactic polystyrene (sPS) cocrystals, on the structural phase transitions of sPS upon the guest ...
Polystyrene: Syndiotactic

Shaiju, P; Bhoje Gowd, E (Elsevier, 2016)

Polystyrene, athermoplastic polymer, has drawn considerable at tention due to its diverse applications in packaging,electronics, etc. It was discovered by Eduard Simonin 1839, but there alcommercialization has started in ...
Planar Tetracoordinate Carbon in Tungstenacyclobutadiene From Alkyne Metathesis and Expanded Structures

Remya, P R; Suresh, C H (RSC, 2016)

The planar tetracoordinate (ptC) character of Cβ in the tungstenacyclobutadiene (WCBD) from alkyne metathesis is analyzed with the support of structural, electronic, molecular orbital and electron density data obtained ...
One-Pot Hydrothermal Synthesis of Visible-Light-Responsive MoS2/g-CNO Heterostructures for Organic-Pollutant Degradation

Mega, Joy; Balagopal, N. Nair; Peer Mohamed, Abdul Azeez; Warrier, Krishna Gopakumar; Hareesh, Unnikrishnan Nair S (wiley, 2016)

MoS2/g-CNO (g-CNO = oxidized graphitic carbon nitride) heterostructures were synthesized by a one-step lowtemperature hydrothermal route. The hydrolysis and oxidation reactions during the hydrothermal synthesis provide ...
A Review of Different Creep Mechanisms in Mg Alloys Based on Stress Exponent and Activation Energy

Karuna Ratnakaran, Athul; Pillai, UTS; Srinivasan, Amirthalingam; Pai, B C (wiley, 2016)

Magnesium being the lightest structural material, is being increasingly used in automotive industry but at elevated temperatures, alloys like AZ91D, AM60B, AM50A etc. exhibit poor creep resistance which hinders the ...
Nanosheets of an Organic Molecular Assembly from Aqueous Medium Exhibit High Solid-State Emission and Anisotropic Charge-Carrier Mobility

Samrat, Ghosh; Divya Susan, Philips; Akinori Saeki; Ajayaghosh, A (wiley, 2016)

The most studied 2D nanosheet is graphene whereas covalent organic frameworks and hexagonal boron nitride are the new addition to this family of nanomaterials.[1–3] These ultrathin, atomic, or sub-nanometer layers of ...
Formation of Coaxial Nanocables with Amplified Supramolecular Chirality through an Interaction between Carbon Nanotubes and a Chiral p-Gelator

Balaraman, Vedhanarayanan; Vishnu, S Nair; Vijayakumar, C. Nair; Ajayaghosh, A (wiley, 2016)

In an attempt to gather experimental evidence for the influence of carbon allotropes on supramolecular chirality, we found that carbon nanotubes (CNTs) facilitate amplification of the molecular chirality of a p-gelator ...
Functional liquid crystalline gels through multi-scale hierarchical self-assembly of LAPONITEs and amidodiol

Rohini Kuttiplavil, Narayanan; Neethu Kalloor, Sadanandhan; Renjith, Sasi; Sudha, Janardhanan Devaki (Royal Society of Chemistry, 2016)

Herein we demonstrate the design and synthesis of liquid crystalline gels through multi-scale hierarchical self-assembly of LAPONITEs and amidodiol in water. These two components interact with each other through non-covalent ...
Liquid Metal Infiltration Processing of Metallic Composites: A Critical Review

SREE MANU, K M; AJAY RAAG, L; RAJAN, T P D; MANOJ, GUPTA; PAI, B C (ASM, 2016)

Metal matrix composites (MMC) are one of the advanced materials widely used for aerospace, automotive, defense, and general engineering applications. MMC can be tailored to have superior properties such as enhanced ...
Enhancement in tribological behaviour of functionally graded SiC reinforced aluminium composites by centrifugal casting

Akhil S, Karun; Rajan, TPD; Pillai, UTS; Pai, B C; Rajeev, V R; Farook, A (Sage, 2016)

Enhanced tribological and location-specific properties achieved in functionally graded metallic composites make them potential materials for futuristic engineering components. The present investigation aims on the processing ...
Copyrolysed C3N4-Ag/ZnO Ternary Heterostructure Systems for Enhanced Adsorption and Photocatalytic Degradation of Tetracycline

Suyana, Panneri; Priyanka, Ganguly; Balagopal N, Nair; Peer Mohamed, Abdul Azeez; Warrier, Krishna Gopakumar; Hareesh, Unnikrishnan Nair S (2016)

The graphitic carbon nitride (g-C3N4) Ag/ZnO (CAZ) nanocomposite heterostructure was prepared by the copyrolysis of a precursor mixture containing melamine and nitrates of zinc and silver. This one-pot synthetic approach ...
Morphologically and Compositionally Tuned Lithium Silicate Nanorods as High-performance Carbon Dioxide Sorbents

Subha, P V; Nair, B N; Mohamed, A P; Anilkumar, G M; Warrier, K G K; Takeo, Y; Hareesh, U S (Royal Society of Chemistry, 2016)

The effective capturing of carbon dioxide using regenerable high capacity sorbents is a prerequisite for industrial applications aiming at CO2 capture and sequestration. The removal of CO2 directly from chemical reaction ...
Real time Monitoring of Aminothiol Level in Blood Using a Near-Infrared Dye Assisted Deep Tissue Fluorescence and Photoacoustic Bimodal Imaging

Anees, P; Joseph, J; Sreejith, S; Menon, N V; Kang, Y; Wing-Kwong Yu, S; Ajayaghosh, Ayyappanpillai; Zhao, Y (The Royal Society of Chemistry, 2016)

The development of molecular probes for the detection and imaging of biological thiols is a major step forward diagnosing various types of diseases. Previously reported thiol imaging strategies were mainly based on a ...
Very Low Thermal Conductivity in Lanthanum Phosphate–zirconia Ceramic Nanocomposites Processed using a Precipitation–peptization Synthetic Approach

Shijina, K; Sankar, S; Midhun, M; Firozkhan, M; Nair, B N; Warrier, K G; Hareesh, U S (Royal Society of Chemistry, 2016)

A wet chemical synthetic approach involving precipitation–peptization mechanisms was successfully adopted for the development of LaPO4–ZrO2 nanocomposites with the ZrO2 content varying in the 5–20 wt% range. Stoichiometric ...

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