Browsing by Author "Al-Marri, Mohammed J."
Now showing items 21-34 of 34
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Kinetics of CO2 Adsorption/Desorption of Polyethyleneimine-Mesoporous Silica
Al-Marri, Mohammed J.; Kuti, Yussuf O.; Khraisheh, Majeda; Kumar, Anand; Khader, Mahmoud M. ( Wiley-VCH Verlag , 2017 , Article)The kinetics of adsorption of CO2 on solid sorbents based on polyethyleneimine/mesoporous silica (PEI/MPS) was studied by following the mass gain during CO2 flow. Linear (PEI-423) and branched (PEI-10k) polymers were ... -
Linear dynamics modelling of droplet deformation in a pulsatile electric field
Vivacqua, Vincenzino; Ghadiri, Mojtaba; Abdullah, Aboubakr M.; Hassanpour, Ali; Al-Marri, Mohammed J.; Azzopardi, Barry; Hewakandamby, Buddhika; Kermani, Bijan... more authors ... less authors ( Institution of Chemical Engineers , 2016 , Article)A linear dynamic model of water droplet deformation in the presence of an electric field has been developed. Analytical solutions of the differential equation of motion are provided with different waveforms as forcing ... -
Molecular dynamics of CH4/CO2 on calcite for enhancing gas recovery
Carchini, Giuliano; Al-Marri, Mohammed J.; Hussein, Ibnelwaleed; Shawabkeh, Reyad; Mahmoud, Mohamed; Aparicio, Santiago... more authors ... less authors ( John Wiley and Sons Inc , 2022 , Article)The effect of temperature and pressure on the adsorption of CO2 and CH4 gases on calcite (104) has been studied by means of classical molecular dynamics. The results show that carbon dioxide greatly improves methane ... -
Multi-layer multi-configuration time-dependent Hartree (ML-MCTDH) approach to the correlated exciton-vibrational dynamics in the FMO complex
Schulze, Jan; Shibl, Mohamed F.; Al-Marri, Mohammed J.; Kuhn, Oliver ( American Institute of Physics Inc. , 2016 , Article)The coupled quantum dynamics of excitonic and vibrational degrees of freedom is investigated for high-dimensional models of the Fenna-Matthews-Olson complex. This includes a seven- and an eight-site model with 518 and 592 ... -
Multilayer-MCTDH approach to the energy transfer dynamics in the LH2 antenna complex
Shibl, Mohamed F.; Schulze, Jan; Al-Marri, Mohammed J.; Kühn, Oliver ( Institute of Physics Publishing , 2017 , Article)The multilayer multiconfiguration time-dependent Hartree method is used to study the coupled exciton–vibrational dynamics in a high-dimensional nonameric model of the LH2 antenna complex of purple bacteria. The exciton–vibrational ... -
Reaction Kinetics of Carbon Dioxide (CO2) with Diethylenetriamine and 1-Amino-2-propanol in Nonaqueous Solvents Using Stopped-Flow Technique
Zhong, Nan; Liu, Helei; Luo, Xia; AL-Marri, Mohammed J.; Benamor, Abdelbaki; Idem, Raphael; Tontiwachwuthikul, Paitoon; Liang, Zhiwu... more authors ... less authors ( American Chemical Society , 2016 , Article)In this work, the reaction kinetics of carbon dioxide (CO2) with diethylenetriamine (DETA) and 1-amino-2-propanol (1-AP) in methanol and ethanol systems were measured using the stopped flow technique over a temperature ... -
Reaction kinetics of carbon dioxide with aqueous solutions of l-Arginine, Glycine & Sarcosine using the stopped flow technique
Mahmud, Nafis; Benamor, Abdelbaki; Nasser, Mustafa S.; Al-Marri, Mohammed J.; Qiblawey, Hazim; Tontiwachwuthikul, Paitoon... more authors ... less authors ( Elsevier , 2017 , Article)The use of amino acids as potential solvents for carbon dioxide (CO2) capture has been considered by a number of researchers. However, very little is known about the kinetics and mechanism of amino acids-CO2 reactions. In ... -
Reprint of “The effect of site-specific spectral densities on the high-dimensional exciton-vibrational dynamics in the FMO complex”
Schulze, J.; Schulze, Jan; Shibl, Mohamed F.; Al-Marri, Mohammed J.; Kühn, Oliver ( Elsevier B.V. , 2018 , Article)© 2017 Elsevier B.V. The coupled exciton-vibrational dynamics of a three-site model of the FMO complex is investigated using the Multi-layer Multi-configuration Time-dependent Hartree (ML-MCTDH) approach. Emphasis is put ... -
Size-And Wavelength-Dependent Two-Photon Absorption Cross-Section of CsPbBr3 Perovskite Quantum Dots
Chen, Junsheng; Zidek, Karel; Chabera, Pavel; Liu, Dongzhou; Cheng, Pengfei; Nuuttila, Lauri; Al-Marri, Mohammed J.; Lehtivuori, Heli; Messing, Maria E.; Han, Keli; Zheng, Kaibo; Pullerits, Tonu... more authors ... less authors ( American Chemical Society , 2017 , Article)All-inorganic colloidal perovskite quantum dots (QDs) based on cesium, lead, and halide have recently emerged as promising light emitting materials. CsPbBr3 QDs have also been demonstrated as stable two-photon-pumped lasing ... -
Surface plasmon inhibited photo-luminescence activation in CdSe/ZnS core-shell quantum dots
Chen, Junsheng; Zidek, Karel; Abdellah, Mohamed; Al-Marri, Mohammed J; Zheng, Kaibo; Pullerits, TOnu... more authors ... less authors ( Institute of Physics Publishing , 2016 , Article)In a composite film of Cdx Sey Zn1-x S1-y gradient core-shell quantum dots (QDs) and gold nanorods (NRs), the optical properties of the QDs are drastically affected by the plasmonic nanoparticles. We provide a careful study ... -
Synthesis of fumed silica supported Ni catalyst for carbon dioxide conversion to methane
Mohammed, Ahmed Aheed Ali; Saad, Mohammed Ali H Saleh; Kumar, Anand; Al-Marri, Mohammed J ( John Wiley and Sons Inc , 2020 , Article)In this study, we report the synthesis of a fumed silica supported Ni-based catalyst for carbon dioxide conversion to methane. Ni/fumed-SiO2 was prepared by loading the active agent precursor solution on the high surface ... -
The effect of site-specific spectral densities on the high-dimensional exciton-vibrational dynamics in the FMO complex
Schulze, Jan; Shibl, Mohamed F.; Al-Marri, Mohammed J.; Kühn, Oliver ( Elsevier B.V. , 2017 , Article)The coupled exciton-vibrational dynamics of a three-site model of the FMO complex is investigated using the Multi-layer Multi-configuration Time-dependent Hartree (ML-MCTDH) approach. Emphasis is put on the effect of the ... -
Time-resolved terahertz spectroscopy reveals the influence of charged sensitizing quantum dots on the electron dynamics in ZnO
N., Sesha Bamini; Němec, Hynek; Žídek, Karel; Abdellah, Mohamed; Al-Marri, Mohammed J.; Chábera, Pavel; Ponseca, Carlito; Zheng, Kaibo; Pullerits, Tönu... more authors ... less authors ( Royal Society of Chemistry , 2017 , Article)Photoinitiated charge carrier dynamics in ZnO nanoparticles sensitized by CdSe quantum dots is studied using transient absorption spectroscopy and time-resolved terahertz spectroscopy. The evolution of the transient spectra ... -
Trap States and Their Dynamics in Organometal Halide Perovskite Nanoparticles and Bulk Crystals
Zheng, Kaibo; Žídek, Karel; Abdellah, Mohamed; Messing, Maria E.; Al-Marri, Mohammed J.; Pullerits, Tõnu... more authors ... less authors ( American Chemical Society , 2016 , Article)Organometal halide perovskites have attracted tremendous attention for optoelectronic applications. Charge carrier trapping is one of the dominant processes often deteriorating the performance of devices. Here, we investigate ...