Browsing Gas Processing Center by Author "Khader, Mahmoud M."
Now showing items 1-7 of 7
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A comparison of the redox properties of vanadia-based mixed oxides
Shah, Parag R.; Khader, Mahmoud M.; Vohs, John M.; Gorte, Raymond J. ( American Chemical Society (ACS) , 2015 , Article)The thermodynamics of oxidation and reduction were investigated for a series of vanadium-containing oxides, including CeVO4, LaVO 4, ZrV2O7, Mg3(VO4) 2, CrVO4, AlVO4, and V2O 5, in the temperature range between 873 and 973 ... -
Development of highly active and coke-resilient Ni-based catalysts for low-temperature steam reformation of methane
Sardar, Ali; Gamal, Ahmed; Khader, Mahmoud M. ( Elsevier , 2023 , Article)In this work, we report on the development of highly active and stable catalysts for low temperature steam reformation of methane. The Ni-based catalysts supported on alumina were synthesized by the single step solution ... -
Effect of the length of silicon nano-dot/wire on band gap
Hassan, Walid M.I.; Verma, Amit; Nekovei, Reza; Khader, Mahmoud M.; Anantram, M. P. ( Institute of Electrical and Electronics Engineers Inc. (IEEE) , 2014 , Conference Paper)We will report on the role of the length of silicon nanowire (SNW) in determining the band gap of a structure. We find that the band gap decreases with SNW length for the same diameter and approaches the band gap for an ... -
Oxygen passivation as effective technique for tailoring the nature of band gap of silicon nanowires
Hassan, Walid M.I.; Khader, Mahmoud M.; Verma, Amit; Nekovei, Reza; Anantram, M. P. ( Institute of Electrical and Electronics Engineers Inc. (IEEE) , 2015 , Conference Paper)Silicon nanowires have been subjected to several experiential and theoretical studies, including chemical tuning with different substituents aiming to tailor the band gap as well as increasing optical absorption efficiency ... -
Photoresponse of silicon with asymmetric area contacts
Rabbani, M. Golam; Sundararajan, Jency P.; Verma, Amit; Nekovei, Reza; Khader, Mahmoud M.; Darling, R. B.; Patil, Sunil R.... more authors ... less authors ( Institute of Physics Publishing , 2016 , Article)We report on high performance metal-semiconductor-metal (MSM) photosensors based on asymmetric metal pad areas. The reported devices require a single-step metal deposition, and exhibit large photo response even under ... -
Synthesis and evaluation of lanthana modified Cu-based catalysts for CO2 hydrogenation to value added products
Sardar, Ali; Kumar, Dharmesh; Khader, Mahmoud M.; Mondal, Kartick C.; El-Naas, Muftah H. ( Elsevier , 2023 , Article)This study deals with the development and evaluation of lanthana promoted Cu-based catalysts for CO2 hydrogenation reaction. The samples were prepared using solution combustion synthesis method. The study demonstrates that ... -
Zero-bias photocurrents in highly-disordered networks of Ge and Si nanowires
Rabbani, M. Golam; Patil, Sunil R.; Verma, Amit; Villarreal, Julian E.; Korgel, Brian A.; Nekovei, Reza; Khader, Mahmoud M.; Darling, R. B.; Anantram, M. P.... more authors ... less authors ( Institute of Physics Publishing , 2015 , Article)Semiconducting nanowire (NW) devices have garnered attention in self-powered electronic and optoelectronic applications. This work explores and exhibits, for the first time for visible light, clear evidence of the zero-biased ...