Browsing by Author "Al-Muhtaseb, Shaheen"
Now showing items 21-34 of 34
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Nano-gate opening pressures for the adsorption of isobutane, n-butane, propane, and propylene gases on bimetallic Co-Zn based zeolitic imidazolate frameworks
Awadallah-F, Ahmed; Hillman, Febrian; Al-Muhtaseb, Shaheen A.; Jeong, Hae-Kwon ( 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, ... -
Nanofeatures of resorcinol-formaldehyde carbon microspheres
Awadallah-F, Ahmed; Al-Muhtaseb, Shaheen A. ( 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 ... -
Natural Gas Sweetening Using an Energy-Efficient, State-of-the-Art, Solid-Vapor Separation Process
Ababneh, Hani; AlNouss, Ahmed; Karimi, Iftekhar A.; Al-Muhtaseb, Shaheen A. ( 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, ... -
Novel controlled synthesis of nanoporous carbon nanorods from resorcinol-formaldehyde xerogels
Awadallah-F, Ahmed; Al-Muhtaseb, Shaheen A. ( Elsevier B.V. , 2017 , Article)A novel approach is discovered to produce carbon nanorods (CNRs) from resorcinol-formaldehyde xerogels. The structure and morphology of CNRs are characterized by pore size analysis, nano-scanning electron microscopy, ... -
Photo-oxidative enhancement of polymeric molecular sieve membranes
Song, Qilei; Cao, Shuai; Zavala-Rivera, Paul; Ping Lu, Li; Li, Wei; Ji, Yan; Al-Muhtaseb, Shaheen A.; Cheetham, Anthony K.; Sivaniah, Easan... more authors ... less authors ( 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 ... -
Prediction of solid-liquid-vapor phase equilibria of noble gases in nitrogen
Ababneh, Hani; Al-Muhtaseb, Shaheen A. ( 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 ... -
Quasi-Solid-State Dye-Sensitized Solar Cells Based on Ru(II) Polypyridine Sensitizers
ElBatal, Hany S.; Aghazada, Sadig; Al-Muhtaseb, Shaheen A.; Grätzel, Michael; Nazeeruddin, Mohammad Khaja ( Wiley-VCH Verlag , 2016 , Article)The Ru(II) polypyridine complexes SA22 and SA25 consisting of anchoring and light harvesting moieties and possessing broad light absorption spectra were used to fabricate and optimize dye‐sensitized solar cells (DSSCs). ... -
Removal of crystal violet from wastewater using resorcinol-formaldehyde carbon xerogels
Awadallah-F, Ahmed; Al-Muhtaseb, Shaheen A. ( Taylor and Francis Inc. , 2016 , Article)Resorcinol-formaldehyde activated carbon xerogels (RF-ACXs) were prepared at different conditions. RF-ACXs were characterized by Fourier transform infrared spectroscopy, surface area and porosity analyzer, X-rays diffraction, ... -
Role of catalyst type in the selective separation of olefinic and paraffinic hydrocarbons using xerogel-based adsorbents
Al-Muhtaseb, Shaheen A. ( 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, ... -
Selective adsorption of carbon dioxide, methane and nitrogen using resorcinol-formaldehyde-xerogel activated carbon
Awadallah, Ahmed; Al-Muhtaseb, Shaheen A.; Jeong, Hae Kwon ( Springer New York LLC , 2017 , Article)Resorcinol–formaldehyde xerogel was prepared, carbonized and activated in specific conditions to form resorcinol–formaldehyde activated carbon xerogel (RF-ACX) that was to produce microporous nanoparticles. RF-ACX was used ... -
Unravel the impact of anchoring groups on the photovoltaic performances of diketopyrrolopyrrole sensitizers for dye-sensitized solar cells
Ganesan, Paramaguru; Yella, Aswani; Holcombe, Thomas W.; Gao, Peng; Rajalingam, Renganathan; Al-Muhtaseb, Shaheen A.; Grätzel, Michael; Nazeeruddin, Mohammad Khaja... more authors ... less authors ( 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 ... -
Virtual mimic of lab experiment using the computer-based Aspen Plus® Sensitivity Analysis Tool to boost the attainment of experiment's learning outcomes and mitigate potential pandemic confinements
Elkhatat, Ahmed M.; Al-Muhtaseb, Shaheen A. ( John Wiley and Sons Inc , 2022 , Article)The computer-based Aspen Plus® Sensitivity Analysis Tool (APSAT) was used as a virtual environment to mimic a gas absorption lab experiment in the Unit Operations Lab within the curriculum for the Bachelor of Science in ... -
Weakly Conjugated Hybrid Zinc Porphyrin Sensitizers for Solid-State Dye-Sensitized Solar Cells
Qin, Peng; Sanghyun, Paek; Dar, M. Ibrahim; Rakstys, Kasparas; ElBatal, Hany; Al-Muhtaseb, Shaheen A.; Ludwig, Christian; Nazeeruddin, Mohammad Khaja... more authors ... less authors ( Wiley-VCH Verlag , 2016 , Article)Molecularly engineered weakly conjugated hybrid porphyrin systems are presented as efficient sensitizers for solid-state dye-sensitized solar cells. By incorporating the quinolizino acridine and triazatruxene based unit ... -
Zeolitic imidazolate framework (ZIF-8) based polymer nanocomposite membranes for gas separation
Song, Qilei; Nataraj, S. K.; Roussenova, Mina V.; Tan, Jin Chong; Hughes, David J.; Li, Wei; Bourgoin, Pierre; Alam, M. Ashraf; Cheetham, Anthony K.; Al-Muhtaseb, Shaheen A.; Sivaniah, Easan... more authors ... less authors ( 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 ...