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Now showing items 1-20 of 190

Electronic Structure and Optical Properties of the Mn2CrAl Heusler Alloy

Shreder, EI; Lukoyanov, AV; Makhnev, A A; Dash, S; Patra, A; Vasundhara, M (Pleiades Publishing Ltd, 2020-06)

The electronic structure of the Mn2CrAl Heusler alloy is calculated and its optical properties are studied in this work. The anomalous behavior of the optical properties of the alloy in the IR region of spectrum, namely, ...
Synthesis of Benzothienobenzofurans via Annulation of Electrophilic Benzothiophenes with Phenols

Akhil, K R; Babu, S A; Nitha, P R; Jagadeesh, K; Jubi, J (American Chemical Society, 2021)

We have developed a metal-free, mild, and green synthetic route toward benzothieno[3,2-b]benzofurans by the annulation of 3-nitrobenzothiophene with phenols. The reaction was found to be general with a range of substituted ...
Endo- and exohedral chloro-fulleride as η5 ligands: a DFT study on the first-row transition metal complexes

Anila, S; Suresh, C H (The Royal Society of Chemistry, 2021)

C60 fullerene coordinates to transition metals in η2-fashion through its C–C bond at the 6-6 ring fusion site, whereas other coordination modes η3, η4, η5 and η6 are rarely observed. The coordination power of C60 to ...
Tuning the Donating Strength of Dye Sensitizers using Molecular Electrostatic Potential Analysis

Divya, V V; Suresh, C H (Royal Society of Chemistry, 2021)

Donor–π–acceptor (D–π–A) systems typically used in dye-sensitized solar cells (DSSC) have been studied for assessing the donating strength of six donors (D1–D6) under the influence of substituents such as CH3, C5H11, ...
Unprecedented access to functionalized pyrrolo[2,1-a]isoquinolines from the domino reaction of isoquinolinium ylides and electrophilic benzannulated heterocycles

Babu, S A; Rajalekshmi, A R; Nitha, P R; Omanakuttan, V K; Rahul, P; Varughese, S; John, J (Royal Society of Chemistry, 2021)

We have come across an unexpected reaction between electrophilic indoles and isoquinolinium methylides for accessing functionalized pyrrolo[2,1-a]isoquinolines. The reaction was found in general to yield the products in ...
Guanidine as a strong CO 2 adsorbent: a DFT study on cooperative CO 2 adsorption

Anila, S; Suresh, C H (The Royal Society of Chemistry, 2021)

Among the various carbon capture and storage (CCS) technologies, the direct air capture (DAC) of CO2 by engineered chemical reactions on suitable adsorbents has attained more attention in recent times. Guanidine (G) is one ...
The Elevated Colour Rendering of White-LEDs by Microwave-Synthesized Red-Emitting (Li, Mg)3RbGe8O18:Mn4+ Nanophosphors

Abraham, M; Kunti, AK; Thejas, KK; Mendez, NA; Gogneau, N; Nishanth, KG; Tchernycheva, M; Das, S (The Royal Society of Chemistry, 2021)

The bright red emissive nature of low-cost Mn4+ ions can replace the commercially available Eu2+-doped nitrides/oxynitrides for application in white light-emitting diodes (W-LED). Herein, the Mn4+-doped Li3RbGe8O18 (LRGO) ...
Design and DFT study of nitrogen-rich donor systems for improved photovoltaic performance in dye-sensitized solar cells

Divya, V V; Suresh, C H (Royal Society of Chemistry, 2021)

Eighteen electron-rich nitrogen incorporated donors with a butadiene π-spacer and a cyanoacrylic acid acceptor (A) as photosensitizers (D1–π–A to D18–π–A) for dye-sensitized solar cell (DSSC) applications have been designed ...
Phthalimide Conjugation turns the Aie-active Tetraphenylethylene Unit Non-emissive: Its use in Turn-on Sensing of Hydrazine in Solution and the Solid- and Vapour-phase

Hiremath, S D; Gawas, R U; Das, D; Naik, V G; Bhosle, A A; Murali, V P; Maiti, K K; Acharya, R; Banerjee, M; Chatterjee, A (Royal Society of Chemistry, 2021)

Hydrazine is a vital precursor used in several pharmaceuticals and pesticide industries and upon exposure can cause severe health hazards. Herein, a new AIEgen, tetraphenylethylene phthalimide (TPE-PMI), is synthesized in ...
Chemical-free and scalable process for the fabrication of a uniform array of liquid-gated CNTFET, evaluated by KCl electrolyte

Agarwal, P B; Thakur, N K; Sharma, R; Singh, P; Joseph, J; Tripura, C (Nature.com, 2021)

Biosensors based on liquid-gated carbon nanotubes field-effect transistors (LG-CNTFETs) have attracted considerable attention, as they offer high sensitivity and selectivity; quick response and label-free detection. However, ...
Squeeze Infiltration Processing and Structural Characteristics of Lightweight Aluminum-Carbon Metal Matrix Composites

Akhil, M G; Arsha, A G; Manoj, V; Vishnu, R L; Rajan, T P D; Pai, B C (Springer, 2021)

Natural Graphite flakes are attractive carbon-based reinforcements due to its layered structure providing self-lubrication, thermal properties, cost and ease of machinability. The present study focuses on the processing ...
Base-enabled Access to Diastereoselective Spirofuran Oxindoles and γ-functionalized Allenoates

Basavaraja, D; Ajay Krishna, M S; Krishnan, J; Athira, C S; Amrutha, R R; Suresh, E; Sasidhar, B S (Royal Society of Chemistry, 2021)

Base assisted divergent reactivity of isatins and allenoates has been achieved, which afforded diastereoselective spirofuran oxindoles and γ-functionalized allenoates. The DBU mediated Morita–Baylis–Hillman (MBH) reaction ...
Hydroxylated BiFeO3 as Efficient Fillers in Poly(Vinylidene Fluoride) for Flexible Dielectric, Ferroelectric, Energy Storage and Mechanical Energy Harvesting Application

Sasmal, A; Patra, A; Sujatha Devi, P; Sen, S (Royal Society of Chemistry, 2021)

Here we report the effect of surface hydroxylation of BiFeO3 fillers on the dielectric, ferroelectric, energy storage and mechanical energy harvesting performance of poly(vinylidene fluoride). Surface hydroxylation helped ...
Resistive switching in formamidinium lead iodide perovskite nanocrystals: a contradiction to the bulk form

Muthu, C; Resmi, A N; Pious, J K; Dayal, G; Krishna, N; Jinesh, K B; Vijayakumar, C (Royal Society of Chemistry, 2021)

Hybrid perovskites have emerged as an excellent class of materials for resistive random access memory (ReRAM) devices and neuromorphic computing applications. Among numerous perovskites, formamidinium lead triiodide ...
Amphiphilic Fluorescent Probe Self-encored in Plasma to Detect PH Fluctuations in Cancer Cell Membranes

Podder, A; Joseph, MM; Biswas, S; Samanta, S; Maiti, KK; Bhuniya, S (Royal Society of Chemistry, 2021)

We have developed an amphiphilic pH probe (P1CS) to detect pH levels in the plasma membrane in cancer cells. An elevated fluorescence signal at 550 nm at the cell surface of cancer cells (MDA-MB-231, HeLa cells) prompted ...
Sodium silicate-derived aerogels: effect of processing parameters on their applications

Minju, N; Nair, B N; Savithri, S (Royal Society of Chemistry, 2021)

Inorganic silica aerogels derived from sodium silicate are voluminous three-dimensional open networks with exceptional properties such as a density as low as ∼100 kg m−3, high porosity (∼99%), low thermal conductivity ...
Stereocomplexation of Enantiomeric Star-shaped Poly(Lactide)s with a Chromophore Core

Praveena, NM; Nagarajan, S; Gowd, E B (Royal Society of Chemistry, 2021)

Herein, we aim to investigate the influence of the cooling rate from the melt on stereocomplex formation of equimolar blends of enantiomeric star-shaped poly(lactide)s with a dipyridamole core. As evidenced by differential ...
Realizing Cool and Warm White-leds Based on Color Controllable (Sr,ba)2al3o6f:eu2+ Phosphors Obtained via a Microwave-assisted Diffusion Method

Ranjith, P; Sreevalsa, S; Patra, P; Som, S; Menon, A; Jayanthi, K; Annapurna, K; Anoop Krishnan, N M; Allu, A R; Das, S (Royal Society of Chemistry, 2021)

Globally, phosphor converted white-LEDs (W-LEDs) are among the most suitable sources to reduce energy consumption. Nevertheless, modernization of efficient broadband emitting phosphors is most crucial to improve the W-LED ...
Pulsed Electric Field Combined with Microwave-assisted Extraction of Pectin Polysaccharide from Jackfruit Waste

Nandhu Lal, A M; Prince, M V; Kothakota, A; Pandiselvam, R; Thirumdas, R; Mahanti, N K; Sreeja, R (Elsevier, 2021)

The present methodology uses the combination of pulsed electric fields (PEF) and microwave-assisted extraction (MAE) of pectin from the jackfruit wastes. Two optimization tools such as Box-Behnken design (BBD) and artificial ...
Exotic Magnetic Properties and Enhanced Magnetoelectric Coupling in Fe3O4-BaTiO3 Heterostructures

Revathy, R; Kalarikkal, N; Varma, M R; Surendran, K P (Elsevier, 2021)

In the present work, magnetoelectric composites of Fe3O4 and BaTiO3 were successfully synthesized with 0–3 and 1–3 connectivity. In Fe3O4-BaTiO3 composites with 1–3 connectivity, the M-H loop analysis shows the presence ...

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