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Collection's Items (Sorted by Submit Date in Descending order): 1 to 20 of 29
Gholami, Zahra , Gholami, Fatemeh , Tišler, Zdeněk , Tomáš, Martin , Vakili, Mohammadtaghi
A Review on Production of Light Olefins via Fluid Catalytic Cracking

The fluid catalytic cracking (FCC) process is an alternative olefin production technology, with lower CO2 emission and higher energy-saving. This process is used for olefin production by almost 60% of the global feedstocks. Different parameters including the operating conditions, feedstock proper...

Ondreas, Frantisek , Dusankova, Marcela , Sita, Jaroslav , Cepa, Martin , Štěpán, Jiří , Bělský, Petr , Velebný, Vladimír
Self-assembly of hydrophobically modified hyaluronic acid

The understanding how physicochemical properties of amphiphilic molecules influence the self-assembly process is crucial to control their final nanostructure. Furthermore, the relationship between the supramolecular structure and functional properties is of utmost importance for effective design towards specifi...

Vakili, Mohammadtaghi , Zwain, Haider M. , Mojiri, Amin , Wang, Wei , Gholami, Fatemeh , Gholami, Zahra , Giwa, Abdulmoseen Segun , Wang, Baozhen , Cagnetta, Giovanni , Salamatinia, Babak
Effective Adsorption of Reactive Black 5 onto Hybrid Hexadecylamine Impregnated Chitosan-Powdered Activated Carbon Beads

In this study, hexadecylamine (HDA) impregnated chitosan-powder activated carbon (Ct-PAC) composite beads were successfully prepared and applied to adsorption of the anionic dye reactive black 5 (RB5) in aqueous solution. The Ct-PAC-HDA beads synthesized with 0.2 g powdered activated carbon (PAC)...

Thangamani, G.J. , Deshmukh, Kalim Abdul Rashid , Kovářík, Tomáš , Nambiraj, N.A. , Ponnamma, Deepalekshmi , Sadasivuni, Kishor Kumar , Khalil, H.P.S.Abdul , Pasha, S.K. Khadheer
Graphene oxide nanocomposites based room temperature gas sensors: A review

Over the last few decades, various volatile organic compounds (VOCs) have been widely used in the processing of building materials and this practice adversely affected the environment i.e. both indoor and outdoor air quality. A cost-effective solution for detecting a wide range of ...

Harish, Kumar A. , Ahamed, M. Basheer , Deshmukh, Kalim Abdul Rashid , Sirajuddeen, Mohamed Sheik
Morphology, Dielectric and EMI Shielding Characteristics of Graphene Nanoplatelets, Montmorillonite Nanoclay and Titanium Dioxide Nanoparticles Reinforced Polyvinylidenefluoride Nanocomposites

Herein, flexible polyvinylidenefluoride (PVDF) nanocomposite films reinforced with different concentrations of graphene nanoplatelets (GNPs), montmorillonite (MMT) nanoclay and titanium dioxide ( TiO2) nanoparticles (NPs) were prepared using a simple and low-cost solution casting method. The surface morphology ...

Tomáš, Martin , Novotný, Pavel , Gholami, Fatemeh , Tuček, Ondřej , Maršík, František
A Comparative Study of Dynamic Load Response of High Temperature PEM Fuel Cells

The high temperature polymer electrolyte membrane fuel cell (HT-PEMFC) based on the polybenzimidazole (PBI) membrane doped with phosphoric acid (H3PO4) presents a promising route in the development of fuel cell technology. The higher operating temperature of 160–200°C results in an increased ...

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...

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 ...

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...

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...

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...

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...

Collection's Items (Sorted by Submit Date in Descending order): 1 to 20 of 29