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Collection's Items (Sorted by Submit Date in Descending order): 1 to 20 of 23
Prokop, Martin , Bystroň, Tomáš , Bělský, Petr , Tuček, Ondřej , Kodým, Roman , Paidar, Martin , Bouzek, Karel
Degradation kinetics of Pt during high-temperature PEM fuel cell operation Part III: Voltage-dependent Pt degradation rate in single-cell experiments

Degradation of the Pt catalyst is one of the most serious problems related to the high-temperature fuel cell with a proton-exchange membrane (HT PEM FC). Despite many publications on this topic, no clear relationship between Pt nanoparticle growth and HT PEM FC operating conditions...

Mohanapriya, M. K. , Deshmukh, Kalim Abdul Rashid , Kadlec, Jaroslav , Kumar Sadasivuni, Kishor , Faisal, Muhammad , Nambi Raj, N. A. , Pasha, Skkhadeer K. Khadheer
Dynamic mechanical analysis and broadband electromagnetic interference shielding characteristics of poly (vinyl alcohol)-poly (4-styrenesulfonic acid)-titanium dioxide nanoparticles based tertiary nanocomposites

Novel tertiary nanocomposite films comprising of poly (vinyl alcohol) (PVA), poly (4-styrenesulfonic acid) (PSSA) and titanium dioxide (TiO2) nanoparticles (NPS) were prepared using simple solvent casting method. The structural, thermal, morphological, thermo-mechanical and electromagnetic interference (EMI) shieldi...

Rani, Priyanka , Ahamed, Momin Basheer , Deshmukh, Kalim Abdul Rashid
Structural, dielectric and EMI shielding properties of polyvinyl alcohol/chitosan blend nanocomposites integrated with graphite oxide and nickel oxide nanofillers

Polyvinyl alcohol (PVA) and Chitosan (CS)-based novel composites were prepared using solution casting technique by introducing graphite oxide (GO) and nickel oxide (NiO) as nanofillers. The structural, thermal and mechanical properties of PVA/CS/GO/NiO nanocomposites were investigated using Fouri...

Gholami, Zahra , Luo, Guohua , Gholami, Fatemeh , Yang, Fan
Recent advances in selective catalytic reduction of NOx by carbon monoxide for flue gas cleaning process: a review

It is crucial to control NOx emission into the atmosphere because it can make several harmful health and environmental effects. Many techniques are available for NOx reduction, and among them, selective catalytic reduction (SCR) is one of the most efficient techniques for NOx remov...

Deshmukh, Kalim Abdul Rashid , Pasha, Skkhadeer K. Khadheer
Room temperature ammonia sensing based on graphene oxide integrated flexible polyvinylidenefluoride/cerium oxide nanocomposite films

In this work, novel room temperature (RT) ammonia (NH3) sensors comprising graphene oxide (GO) integrated polyvinylidenefluoride (PVDF)/cerium oxide (CeO2) nanocomposite films have been prepared via simple solution casting technique. The structural and morphological characteristics of flexible tertiary PVD...

Rani, Priyanka , Ahamed, Basheer , Deshmukh, Kalim Abdul Rashid
Dielectric and electromagnetic interference shielding properties of zeolite 13X and carbon black nanoparticles based PVDF nanocomposites

In the present work, Zeolite 13X and carbon black nanoparticles (CBNPs) reinforced polyvinylidene fluoride (PVDF) nanocomposites were obtained by a simple solvent casting technique. The structural, morphological and thermal properties of PVDF/Zeolite 13X/CBNPs nanocomposites with various loadings of&#...

Rani, Priyanka , Ahamed, Momin Basheer , Deshmukh, Kalim Abdul Rashid
Significantly enhanced electromagnetic interference shielding effectiveness of montmorillonite nanoclay and copper oxide nanoparticles based polyvinylchloride nanocomposites

In the present study, montmorillonite (MMT) nanoclay and copper oxide (CuO) nanoparticles (NPs) reinforced polyvinylchloride (PVC) based flexible nanocomposite films were prepared via solvent casting technique. Using Fourier-transform infrared spectroscopy (FTIR), X-ray diffraction (XRD), Scanning electron microscop...

Muzaffar, Aqib , Ahamed, Momin Basheer , Deshmukh, Kalim Abdul Rashid , Pasha, Skkhadeer K. Khadheer
Dielectric properties and electromagnetic interference shielding studies of nickel oxide and tungsten oxide reinforced polyvinylchloride nanocomposites

Polyvinylchloride (PVC)/nickel oxide (NiO)/tungsten oxide (WO3) nanocomposite films were prepared via solution casting technique. The crystallinity, morphology, and the analysis of dispersion state of PVC/NiO/WO3 nanocomposite was carried out using X-ray diffraction (XRD) and scanning electron mi...

Gholami, Fatemeh , Gholami, Zahra , Tomáš, Martin , Vavruňková, Veronika , Mirzaei, Somayeh , Vakili, Mohammadtaghi
Promotional Effect of Manganese on Selective Catalytic Reduction of NO by CO in the Presence of Excess O-2 over M@La-Fe/AC (M = Mn, Ce) Catalyst

The catalytic performance of a series of La-Fe/AC catalysts was studied for the selective catalytic reduction (SCR) of NO by CO. With the increase in La content, the Fe2+/Fe3+ratio and amount of surface oxygen vacancies (SOV) in the catalysts increased; thus the catalytic ...

Deshmukh, Kalim Abdul Rashid , Kovářík, Tomáš , Khadheer Pasha, S. K.
State of the art recent progress in two dimensional MXenes based gas sensors and biosensors: A comprehensive review

Recently, MXenes have emerged as a novel and fast-growing family of two dimensional (2D) materials. This broad group of 2D materials is of significant scientific and technological importance and has drawn tremendous attention from diverse scientific fields due to its unique surface chem...

Gholami, Fatemeh , Tomáš, Martin , Gholami, Zahra , Vakili, Mohammadtaghi
Technologies for the nitrogen oxides reduction from flue gas: A review

The required energy of the global industry is mostly generated from fossil fuel sources, such as natural gas, gasoline, diesel, oil, and coal. Nitrogen oxides are one of the main air pollutants that are produced from the combustion of fossil fuels in stationary and mobile ...

Jandová, Věra , Fajgar, Radek , Kupčík, Jaroslav , Pola, Josef , Soukup, Karel , Mikysek, Petr , Křenek, Tomáš , Kovářík, Tomáš , Stich, Theresia , Docheva, Denitsa
Corrosion behavior of titanium silicide surface with hydrogen peroxide: Formation of sub-μm TiOx- based spheres, nanocomposite TiOx/SiOx phases, and mesoporous TiOx/SiOx network

So far unexplored corrosion of titanium silicide (Ti5Si3) surface with acidified hydrogen peroxide is of interest due to its potential use in improving osseointegration of titanium implants coated by titanium silicides. Detailed examination of corrosion products by FTIR, Raman and XP spectro...

Gholami, Fatemeh , Tomáš, Martin , Gholami, Zahra , Mirzaei, Somayeh , Vakili, Mohammadtaghi
Surface Characterization of Carbonaceous Materials Using Inverse Gas Chromatography: A Review

It is essential to understand the adsorption of guest molecules on carbon-based materials for both theoretical and practical reasons. It is crucial to analyze the surface properties of carbon-based materials with a wide range of applications (e.g., catalyst supports, hydrogen storage, sensor...

Křenek, Tomáš , Vála, Lukáš , Kovářík, Tomáš , Medlín, Rostislav , Fajgar, Radek , Pola, Josef , Jandová, Věra , Vavruňková, Veronika , Pola, Michal , Koštejn, Martin
Novel perspectives of laser ablation in liquids: formation of high-pressure orthorhombic FeS phase and absorption of FeS-derived colloids on porous surface for solar-light photocatalytic wastewater cleaning.

A pulsed Nd:YAG laser ablation of FeS in water and ethanol produces FeS-derived colloidal nanoparticles which absorb onto immersed porous ceramic substrates and create solar-light photocatalytic surfaces. The stability, size distribution and zeta potential of the nanoparticles were assessed by Dy...

Vattappalam, Sunil C. , Thomas, Deepu , Ponnamma, Deepalekshmi , Sadasivuni, Kishor Kumar , Pasha, S. K. Khadeer , Deshmukh, Kalim Abdul Rashid
Enhanced LPG Sensitivity for Electron Beam Irradiated Al-ZnO Nanoparticles

Al doped and un-doped ZnO thin films are coated on glass substrate by successive ionic layer adsorption and reaction technique with varying doping concentrations of Al from 3 to 7 at%. The samples are annealed at 450 degrees C for 1 h in the air. The structural ...

Deshmukh, Kalim Abdul Rashid , Kovářík, Tomáš , Křenek, Tomáš , Docheva, Denitsa , Stich, Theresia , Pola, Josef
Recent advances and future perspectives of sol–gel derived porous bioactive glasses: a review

The sol-gel derived porous bioactive glasses have drawn worldwide attention by virtue of the convenience and flexibility of this versatile synthesis method. In this review, the recent advances in sol-gel processed porous bioactive glasses in biomedical fields, especially for bone tissue rege...

Kovářík, Tomáš , Bělský, Petr , Rieger, David , Ilavský, Ján , Jandová, Věra , Maas, Michael , Šutta, Pavol , Pola, Michal , Medlín, Rostislav
Particle size analysis and characterization of nanodiamond dispersions in water and dimethylformamide by various scattering and diffraction methods

Over the past few decades, detonation nanodiamonds (NDs) have gained increased attention due to their unique physicochemical properties. Various methods for preparation of ND suspensions have been introduced. This paper presents thermally annealed nanodiamonds dispersed via sonication and separated by...

Ponnamma, Deepalekshmi , Parangusan, Hemalatha , Deshmukh, Kalim Abdul Rashid , Kar, Pradip , Muzaffar, Aqib , Pasha, S. K. Khadheer , Ahamed, Momin Basheer , Al-Maadeed, Mariam Ali
Green synthesized materials for sensor, actuator, energy storage and energy generation: a review

Green synthesis methods have attracted enormous research interest as replacements for dangerous chemicals due to their abundance and eco-friendliness. The remarkable properties of green synthesized materials include environmental friendliness, high abundance, antimicrobial, antioxidant and biodegradability. The inte...

Rani, Priyanka , Ahamed, Maqusood B. , Deshmukh, Kalim Abdul Rashid
Dielectric and electromagnetic interference shielding properties of carbon black nanoparticles reinforced PVA/PEG blend nanocomposite films

Polyvinyl alcohol (PVA)/polyethylene glycol (PEG) blend nanocomposite films reinforced with various loadings of carbon black nanoparticles(CBNPs)were synthesized via a solution casting approach. The structural properties of PVA/PEG/CBNPs nanocomposites were investigated using Fourier-transform infrared (FTIR)spectro...

Reddy, Peram Lokanatha , Deshmukh, Kalim Abdul Rashid , Kovářík, Tomáš , Rieger, David , Nambiraj, Narayanasamy Arunai , Lakshmipathy, R. , Khadheer Pasha, S. K.
Enhanced dielectric properties of green synthesized Nickel Sulphide (NiS) nanoparticles integrated polyvinylalcohol nanocomposites

A green synthesis approach has been adopted to prepare nickel sulphide nanoparticles (NiS NPs) using banana peel extract (BPE) as a reducing and capping agent. Polyvinyl alcohol (PVA)/NiS nanocomposite films were fabricated using a cost-effective solution casting technique by dispersing diff...

Collection's Items (Sorted by Submit Date in Descending order): 1 to 20 of 23