College of Engineering: المرسلات الحديثة
السجلات المعروضة 3181 -- 3200 من 8739
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Influence of carbon uniformity on its characteristics and adsorption capacities of CO2 and CH4 gases
( MDPI AG , 2021 , Article)Activated carbons of resorcinol-formaldehyde aerogels (AC-RFA) were prepared and mixed with multiwall carbon nanotubes (MWCNTs) with various ratios. Samples were characterized by different techniques. The novelty of the ... -
Dopant-free hole-transporting materials for stable and efficient perovskite solar cells
( Wiley-VCH Verlag , 2017 , Article)Molecularly engineered novel dopant-free hole-transporting materials for perovskite solar cells (PSCs) combined with mixed-perovskite (FAPbI3)0.85(MAPbBr3)0.15 (MA: CH3NH3+, FA: NH=CHNH3+) that exhibit an excellent power ... -
Efficacy of using slurry of metal-coated microencapsulated PCM for cooling in a micro-channel heat exchanger
( Elsevier , 2017 , Article)This paper provides a method of heat transfer enhancement using microencapsulated phase change material (MPCM) slurries, utilizing the latent heat of PCM during melting. The values of heat transfer coefficient obtained for ... -
Emulsion stability and cross-linking of PMMA microcapsules containing phase change materials
( Elsevier , 2015 , Article)The microencapsulation of paraffin as a phase change material (PCM) using poly methyl methacrylate (PMM) as a shell was investigated by means of suspension polymerization. The increase in the emulsion stability by using ... -
Impact of synthesis conditions on meso- and macropore structures of resorcinol-formaldehyde xerogels
( Springer , 2011 , Article)Xerogels were prepared by the sol-gel polymerization of resorcinol with formaldehyde at different conditions. The effects of different synthesis factors (namely, resorcinol-to-formaldehyde ratio, resorcinol-to-water ratio, ... -
Energetic investigation of the adsorption process of CH4, C 2H6 and N2 on activated carbon: Numerical and statistical physics treatment
( Elsevier , 2014 , Article)The adsorption energy distribution (AED) function of a commercial activated carbon (BDH-activated carbon) was investigated. For this purpose, the integral equation is derived by using a purely analytical statistical physics ... -
Influence of micro-and mesoporosity of resorcinol-formaldehyde xerogels on adsorption
( Mary Ann Liebert , 2013 , Article)Effects of micro-and mesoporosity of resorcinol-formaldehyde xerogels (RFXs) on the adsorptive properties of crystal violet (CV) were investigated. RFXs were synthesized at different pH values, and corresponding pore ... -
Nanofeatures of resorcinol-formaldehyde carbon microspheres
( Elsevier , 2012 , Article)Resorcinol-formaldehyde activated carbon xerogels were synthesized at certain conditions, and their morphology was studied experimentally to examine their detailed nature on the nanoscale level, which has not been reported ... -
Adsorption and desorption equilibria of nitrogen, methane, ethane, and ethylene on date-pit activated carbon
( American Chemical Society , 2010 , Article)Date pits were used to produce a highly porous activated carbon. The resulting date-pit activated carbon was used in a volumetric adsorption apparatus to measure the vapor-phase adsorption and desorption of nitrogen, ... -
High performance ordered nanoporous membranes from block copolymers
( Elsevier , 2012 , Conference)[No abstract available] -
Prediction of solid-liquid-vapor phase equilibria of noble gases in nitrogen
( Elsevier , 2022 , Article)The primary objective of this study is to develop an empirical correlation model that is able to predict the solid-liquid-vapour phase equilibria (SLVE) for the ternary system of N2-Kr-Xe at pressures ranging from 1 to 45 ... -
Natural Gas Sweetening Using an Energy-Efficient, State-of-the-Art, Solid-Vapor Separation Process
( MDPI , 2022 , Article)With the anticipated rise in global demand for natural gas (NG) and liquefied natural gas (LNG), sour gas reserves are attracting the attention of the gas industry as a potential resource. However, to monetize these reserves, ... -
Thin, flexible supercapacitors made from carbon nanofiber electrodes decorated at room temperature with manganese oxide nanosheets
( Hindawi Publishing Corporation , 2013 , Article)We report the fabrication and electrochemical performance of a flexible thin film supercapacitor with a novel nanostructured composite electrode. The electrode was prepared by in situ coprecipitation of two-dimensional ... -
Supercooling elimination of phase change materials (PCMs) microcapsules
( Elsevier , 2015 , Article)Microencapsulated phase change materials (PCM) must not experience any supercooling, otherwise cannot be used in any latent heat applications. In this study Rubitherm®RT58 and1-octadecanol were selected as nucleating agents ... -
Nano-gate opening pressures for the adsorption of isobutane, n-butane, propane, and propylene gases on bimetallic Co-Zn based zeolitic imidazolate frameworks
( Royal Society of Chemistry , 2019 , Article)In this article, zeolitic-imidazolate framework-8 (ZIF-8) and its mixed metal CoZn-ZIF-8 were synthesized via a rapid microwave method. The products were characterized by Raman spectroscopy, XPS, XRD, EDX, TEM, NanoSEM, ... -
Using electric power to synthesize resorcinol-formaldehyde gels with enhanced characteristics
( John Wiley and Sons Ltd , 2020 , Article)A novel electrochemical approach was introduced for crosslinking resorcinol-formaldehyde (RF) gels at room temperature without utilizing a catalyst or a buffer. The electrochemically cross-linked gels and their subsequent ... -
Unravel the impact of anchoring groups on the photovoltaic performances of diketopyrrolopyrrole sensitizers for dye-sensitized solar cells
( American Chemical Society , 2015 , Article)Two D-?-A dyes, one with a strong electron withdrawing cyanoacrylic acid DPP 20 and one with a weak acceptor carboxylic acid DPP 21 have been synthesized and characterized for their application in dye-sensitized solar ... -
Photo-oxidative enhancement of polymeric molecular sieve membranes
( Nature Research , 2013 , Article)High-performance membranes are attractive for molecular-level separations in industrial-scale chemical, energy and environmental processes. The next-generation membranes for these processes are based on molecular sieving ... -
Role of catalyst type in the selective separation of olefinic and paraffinic hydrocarbons using xerogel-based adsorbents
( Elsevier , 2008 , Article)Resorcinol-Formaldehyde (RF)-based activated carbon xerogels are typically synthesized using a homogeneous, sodium-based, catalyst solution. In this work, the synthesis of RF-based carbon xerogels using other, non-typical, ... -
Zeolitic imidazolate framework (ZIF-8) based polymer nanocomposite membranes for gas separation
( Royal Society of Chemistry , 2012 , Article)As synthesised ZIF-8 nanoparticles (size ∼ 60 nm and specific surface area ∼ 1300–1600 m2 g−1) were directly incorporated into a model polymer matrix (Matrimid® 5218) by solution mixing. This produces flexible transparent ...
