Year-2017: Recent submissions

Now showing items 21-40 of 246

Strategic review of interface carrier recombination in earth abundant Cu-Zn-Sn-S-Se solar cells: current challenges and future prospects

Kaur, K.; Kumar, N.; Kumar, M. (2021-10-15)

Earth abundant Cu–Zn–Sn–S–Se (CZTSSe) is considered as a promising material for large area and cost effective solar energy harvesting. The current efficiency of CZTSSe champion solar cell, 12.7%, is much lower than that ...
Design, structures and study of non-covalent interactions of mono-, di-, and tetranuclear complexes of a bifurcated quadridentate tripod ligand, N-(aminopropyl)-diethanolamine

Sama, F.; Ansari, I. A.; Raizada, M.; Ahmad, M.; Nagaraja, C. M.; Shahid, M.; Kumar, A.; Khan, K.; Siddiqi, Z. A. (2021-10-15)

A series of five new complexes incorporating N-(aminopropyl)-diethanolamine, H2apdea, has been synthesized and characterized by employing elemental, thermal, magnetic, spectroscopic and single crystal X-ray techniques. ...
Estimation of operating parameters of a SOFC integrated combined power cycle using differential evolution based inverse method

Sarmah, P.; Gogoi, T. K.; Das, R. (2021-10-15)

Inverse analysis is an efficient method to estimate parameters that characterizes a given system. It offers lot of flexibility at the designer’s hand in selecting the most suitable combination of parameters satisfying a ...
Effect of MWCNT composition on the hardness of PP/MWCNT composites

Bansal, S.; Kumar, N.; Jindal, P. (2021-10-15)

Polypropylene(PP) composites were fabrication with minor(5wt% and 10wt%) compositions ofMulti-Walled Carbon Nanotubes(MWCNTs) using solvent mixing method. These composites were characterized to evaluate the effect of ...
Density functional theory and ab initio molecular dynamics investigation of hydronium interactions with graphene

Mohammadi, S. S.; Brennan, M.; Oberoi, A.; Vagh, H.; Spencer, M.; Kumar, T. J. D.; Andrews, J. (2021-10-15)

This study aims at generating fundamental knowledge of the interaction of hydrated protons (hydronium) with layered graphene materials. The adsorption mechanism is determined utilising Density Functional Theory (DFT) and ...
A methodology for oredicting the effect of engineering design changes

Siddharth, L.; Sarkar, P. (2021-10-15)

To sustain competition, it is necessary for designers to contrive changes in a product. These changes are often denoted in literature as engineering changes. The engineering changes when committed, can have percolating ...
High strain deformation of austenitic steel for enhancing erosion resistance

Selvam, K.; B S, R.; Grewal, H. S.; Arora, H. S.; Singh, H. (2021-10-15)

Marine and off-shore components including propellers, pumps, valves, pipelines and other submerged surfaces are subjected to severe degradation by erosion. Impingement of solid particles mixed in a liquid, referred ...
Construction of thiazines and oxathianes: Via [3 + 3] annulation of N -tosylaziridinedicarboxylates and oxiranes with 1,4-dithiane-2,5-diol: application towards the synthesis of bioactive molecules

Varshnaya, R. K.; Banerjee, P. (2021-10-15)

Lewis acid catalyzed [3 + 3] annulation of N-tosylaziridinedicarboxylates and oxiranes with in situ generated mercaptoaldehyde for the synthesis of functionalized thiazine and oxathiane derivatives has been developed. ...
Fabrication of branched nanostructures for CNT@Ag nano-hybrids: application in CO2 gas detection

Billing, B. K.; Agnihotri, P. K.; Singh, N. (2021-10-15)

Nanostructures possess interesting particle dimensions, high surface areas, improved solubility, biological adsorption and improved electrochemical behavior. Based on the properties of nanostructures compared to their ...
Exploring the salt-cocrystal continuum with solid-state NMR using natural-abundance samples: implications for crystal engineering

Rajput, L.; Banik, M.; Yarava, J. R.; Joseph, S.; Pandey, M. K.; Nishiyama, Y.; Desiraju, G. R. (2021-10-14)

There has been significant recent interest in differentiating multicomponent solid forms, such as salts and cocrystals, and, where appropriate, in determining the position of the proton in the X—HA—Y XH—A+ —Y continuum ...
Zwitterionic liquid (ZIL) coated CuO as an efficient catalyst for the green synthesis of bis-coumarin derivatives: via one-pot multi-component reactions using mechanochemistry

Mayank; Singh, A.; Raj, P.; Kaur, R.; Singh, A.; Kaur, N.; Singh, N. (2021-10-14)

A convenient, solvent free strategy for the synthesis of bis-coumarins has been developed using zwitterionic liquid (ZIL) coated copper oxide (CuO) and mechanical ball milling. The ZIL were fabricated from imidazolium/ ...
On minimal unknotting crossing data for closed toric braids

Siwach, V.; Prabhakar, M. (2021-10-14)

Unknotting numbers for torus knots and links are well known. In this paper, we present a new approach to determine the position of unknotting number crossing changes in a toric braid such that the closure of the resultant ...
Thermal catalysis vs. photocatalysis: A case study with FeVO4/g-C3N4 nanocomposites for the efficient activation of aromatic and benzylic C H bonds to oxygenated products

Samanta, S.; Srivastava, R. (2021-10-14)

Three semiconductor metal vanadates FeVO4, BiVO4, and LaVO4 were synthesized. To improve the thermal catalytic and photocatalytic activity of highly efficient metal vanadate FeVO4, nanocomposites of FeVO4 and graphitic ...
Effect of different breast density compositions on thermal damage of breast tumor during radiofrequency ablation

Singh, S.; Repaka, R. (2021-10-14)

The present study analyzes the efficacy of radiofrequency ablation (RFA) of breast tumor with different breast density levels {viz., extremely dense (ED), heterogeneously dense (HD), scattered fibroglandular (SF) and ...
Slurry erosion behavior of high entropy alloys

Nair, R. B.; Selvam, K.; Arora, H. S.; Mukherjee, S.; Singh, H.; Grewal, H. S. (2021-10-14)

High entropy alloys (HEAs) represent a new paradigm of structural alloys comprising of multiple principal elements in equimolar or near-equimolar concentration. The superior corrosion and oxidation resistance of HEAs at ...
Synthesis of 3-(2-thiopyridyl)indoles: via the ruthenium catalyzed [2 + 2 + 2] cycloaddition of diynes and 3-thiocyanatoindoles

Chowdhury, H.; Goswami, A. (2021-10-14)

A highly efficient protocol for the synthesis of 3-(2-thiopyridyl)indoles via the ruthenium(II) catalyzed [2 + 2 + 2] cycloaddition reaction of α,ω-diynes with 3-thiocyanatoindoles under mild reaction conditions has been ...
Design and synthesis of novel fluorescent phthalimide based silatranes: ratiometric estimation of Mg2+ ion

Singh, G.; Mangat, S. S.; Sharma, H.; Singh, J.; Singh, N. (2021-10-14)

Organosilicon analogues of nitrogen-substituted phthalimide were synthesized and characterized by NMR (1H and13C), ESI-MS and HRMS spectroscopic techniques. The recognition properties of fluorescent silatranes were studied ...
Academic library for excellence today: a report from the panel discussion

Siddaiah, D. K. (2021-10-14)

Purpose: The purpose of this paper is to present my panel discussion report on Academic Library for excellence today, a sub-theme of the Sixth International Library and Information Summit on Dynamics of Library for Excellence ...
Highly efficient and recyclable basic ionic liquids supported on SBA-15 for the synthesis of substituted styrenes, carbinolamides, and naphthopyrans

Sarmah, B.; Srivastava, R. (2021-10-14)

In this study, highly stable mesoporous silica, SBA-15, was prepared and used as a support to functionalize ionic liquids. Triazole and N,N-dimethylaminopyridine were functionalized on the surface of SBA-15 through surface ...
Tailoring the catalytic activity of metal organic frameworks by tuning the metal center and basic functional sites

Rani, P.; Srivastava, Rajendra (2021-10-14)

In this study, zirconium, zinc, and copper-based metal organic framework catalysts were synthesized. In order to tune the catalytic activity, the coordinative unsaturated metal–organic frameworks were functionalized with ...

Now showing items 21-40 of 246

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